/* ══════════════════════════════════════
   COMMON / SHARED
   ══════════════════════════════════════ */

:root {
    --primary: #0052CC;
    --primary-dark: #003A8C;
    --primary-light: #4C9AFF;
    --accent: #00B8D9;
    --accent-glow: rgba(0, 184, 217, 0.3);
    --dark: #0A1628;
    --dark-card: #111D33;
    --dark-surface: #152238;
    --dark-hover: #1A2A45;
    --text: #E8EDF5;
    --text-muted: #8899B0;
    --text-dim: #5A6B82;
    --border: rgba(255,255,255,0.08);
    --border-light: rgba(255,255,255,0.12);
    --border-focus: rgba(76,154,255,0.4);
    --success: #36B37E;
    --warning: #FFAB00;
    --error: #FF5630;
    --gradient-hero: linear-gradient(135deg, #0A1628 0%, #0D2244 40%, #0A1628 100%);
    --sidebar-w: 280px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark);
    color: var(--text);
}

body.page-landing {
    line-height: 1.6;
    overflow-x: hidden;
}

body.page-login {
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.page-chat {
    height: 100vh;
    overflow: hidden;
    display: flex;
}

body.page-admin {
    height: 100vh;
    overflow: hidden;
    display: flex;
}

body.page-business {
    min-height: 100vh;
    --sidebar-w: 260px;
}

/* ══════════════════════════════════════
   LANDING PAGE (optilayer-ai)
   ══════════════════════════════════════ */

    /* ── Navigation ── */
    .page-landing nav {
        position: fixed; top: 0; left: 0; right: 0; z-index: 100;
        backdrop-filter: blur(20px);
        background: rgba(10, 22, 40, 0.85);
        border-bottom: 1px solid var(--border);
        transition: background 0.3s;
    }
    .page-landing .nav-inner {
        max-width: 1200px; margin: 0 auto;
        display: flex; align-items: center; justify-content: space-between;
        padding: 0 2rem; height: 64px;
    }
    .page-landing .logo {
        display: flex; align-items: center; gap: 10px;
        font-weight: 700; font-size: 1.25rem;
        text-decoration: none; color: var(--text);
    }
    .page-landing .logo-icon {
        width: 36px; height: 36px; border-radius: 8px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        display: flex; align-items: center; justify-content: center;
        font-size: 0.8rem; font-weight: 800; color: #fff;
    }
    .page-landing .nav-links { display: flex; gap: 2rem; align-items: center; }
    .page-landing .nav-links a {
        color: var(--text-muted); text-decoration: none; font-size: 0.9rem;
        font-weight: 500; transition: color 0.2s;
    }
    .page-landing .nav-links a:hover { color: var(--text); }
    .page-landing .btn {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 10px 22px; border-radius: 8px; font-weight: 600;
        font-size: 0.9rem; text-decoration: none;
        transition: all 0.25s; cursor: pointer; border: none;
    }
    .page-landing .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: #fff; box-shadow: 0 4px 20px rgba(0,82,204,0.35);
    }
    .page-landing .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 30px rgba(0,82,204,0.5);
    }
    .page-landing .btn-outline {
        border: 1px solid var(--border); color: var(--text);
        background: transparent;
    }
    .page-landing .btn-outline:hover { border-color: var(--primary-light); background: rgba(76,154,255,0.08); }
    .page-landing .btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: 10px; }

    /* ── Hero ── */
    .page-landing .hero {
        min-height: 100vh; display: flex; align-items: center; justify-content: center;
        background: var(--gradient-hero);
        position: relative; overflow: hidden;
        padding: 80px 2rem 4rem;
    }
    .page-landing .hero::before {
        content: '';
        position: absolute; top: -50%; left: -50%;
        width: 200%; height: 200%;
        background: radial-gradient(ellipse at 30% 20%, rgba(0,82,204,0.15) 0%, transparent 50%),
            radial-gradient(ellipse at 70% 80%, rgba(0,184,217,0.1) 0%, transparent 50%);
        animation: heroPulse 8s ease-in-out infinite alternate;
        pointer-events: none;
    }
    @keyframes heroPulse {
        .page-landing 0% { transform: scale(1) translate(0, 0); }
        .page-landing 100% { transform: scale(1.05) translate(-1%, 1%); }
    }
    .page-landing .hero-grid {
        position: absolute; inset: 0;
        background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
        background-size: 60px 60px;
        pointer-events: none;
    }
    .page-landing .hero-content {
        position: relative; z-index: 2;
        max-width: 800px; text-align: center;
    }
    .page-landing .hero-badge {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 6px 16px; border-radius: 99px;
        background: rgba(0,184,217,0.1);
        border: 1px solid rgba(0,184,217,0.25);
        color: var(--accent); font-size: 0.85rem; font-weight: 500;
        margin-bottom: 1.5rem;
    }
    .page-landing .hero-badge .dot {
        width: 8px; height: 8px; border-radius: 50%;
        background: var(--accent);
        animation: pulse 2s infinite;
    }
    @keyframes pulse {
        .page-landing 0%, .page-landing 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
        .page-landing 50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
    }
    .page-landing .hero h1 {
        font-size: clamp(2.5rem, 6vw, 4rem);
        font-weight: 800; line-height: 1.1;
        margin-bottom: 1.5rem;
        background: linear-gradient(135deg, #fff 0%, #c8d8ec 100%);
        -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .page-landing .hero h1 span {
        background: linear-gradient(135deg, var(--primary-light), var(--accent));
        -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .page-landing .hero p {
        font-size: 1.2rem; color: var(--text-muted);
        max-width: 600px; margin: 0 auto 2.5rem; line-height: 1.7;
    }
    .page-landing .hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

    /* ── Floating spectrum visual ── */
    .page-landing .spectrum-visual {
        position: relative; margin-top: 4rem;
        height: 200px; width: 100%; max-width: 700px; margin-left: auto; margin-right: auto;
    }
    .page-landing .spectrum-visual canvas { width: 100%; height: 100%; }

    /* ── Section base ── */
    .page-landing section { padding: 6rem 2rem; }
    .page-landing .section-inner { max-width: 1100px; margin: 0 auto; }
    .page-landing .section-label {
        color: var(--accent); font-size: 0.85rem; font-weight: 600;
        text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.75rem;
    }
    .page-landing .section-title {
        font-size: clamp(1.8rem, 4vw, 2.5rem);
        font-weight: 700; margin-bottom: 1rem;
    }
    .page-landing .section-desc {
        color: var(--text-muted); font-size: 1.05rem;
        max-width: 600px; margin-bottom: 3rem;
    }

    /* ── Features ── */
    .page-landing #features { background: var(--dark); }
    .page-landing .features-grid {
        display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    .page-landing .feature-card {
        background: var(--dark-card);
        border: 1px solid var(--border);
        border-radius: 16px; padding: 2rem;
        transition: all 0.3s;
    }
    .page-landing .feature-card:hover {
        border-color: rgba(76,154,255,0.3);
        transform: translateY(-4px);
        box-shadow: 0 12px 40px rgba(0,0,0,0.3);
    }
    .page-landing .feature-icon {
        width: 48px; height: 48px; border-radius: 12px;
        display: flex; align-items: center; justify-content: center;
        font-size: 1.4rem; margin-bottom: 1.25rem;
    }
    .page-landing .fi-blue { background: rgba(0,82,204,0.15); }
    .page-landing .fi-cyan { background: rgba(0,184,217,0.15); }
    .page-landing .fi-purple { background: rgba(101,84,192,0.15); }
    .page-landing .fi-green { background: rgba(54,179,126,0.15); }
    .page-landing .fi-orange { background: rgba(255,171,0,0.15); }
    .page-landing .fi-pink { background: rgba(255,86,48,0.15); }
    .page-landing .feature-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.6rem; }
    .page-landing .feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }

    /* ── How it works ── */
    .page-landing #how-it-works { background: var(--dark-surface); }
    .page-landing .steps {
        display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 2rem; margin-top: 2rem;
    }
    .page-landing .step {
        text-align: center; position: relative;
        padding: 2rem 1.5rem;
    }
    .page-landing .step-num {
        width: 56px; height: 56px; border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        display: flex; align-items: center; justify-content: center;
        font-size: 1.3rem; font-weight: 700; margin: 0 auto 1.25rem;
        box-shadow: 0 4px 20px rgba(0,82,204,0.3);
    }
    .page-landing .step h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
    .page-landing .step p { color: var(--text-muted); font-size: 0.9rem; }

    /* ── Capabilities showcase ── */
    .page-landing #capabilities { background: var(--dark); }
    .page-landing .cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
    .page-landing .cap-visual {
        background: var(--dark-card); border: 1px solid var(--border);
        border-radius: 16px; padding: 2rem; position: relative; overflow: hidden;
    }
    .page-landing .cap-visual canvas { width: 100%; height: 300px; border-radius: 8px; }
    .page-landing .cap-text h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
    .page-landing .cap-text p { color: var(--text-muted); margin-bottom: 1.5rem; line-height: 1.7; }
    .page-landing .cap-list { list-style: none; }
    .page-landing .cap-list li {
        padding: 0.5rem 0; color: var(--text-muted); font-size: 0.95rem;
        display: flex; align-items: center; gap: 10px;
    }
    .page-landing .cap-list li::before {
        content: '✓'; color: var(--accent); font-weight: 700; font-size: 1rem;
    }

    /* ── Demo terminal ── */
    .page-landing #demo { background: var(--dark-surface); }
    .page-landing .terminal {
        max-width: 800px; margin: 0 auto;
        background: #0D1117; border: 1px solid var(--border);
        border-radius: 16px; overflow: hidden;
        box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    }
    .page-landing .terminal-bar {
        display: flex; align-items: center; gap: 8px;
        padding: 14px 18px; background: #161B22;
        border-bottom: 1px solid var(--border);
    }
    .page-landing .terminal-dot {
        width: 12px; height: 12px; border-radius: 50%;
    }
    .page-landing .terminal-dot.red { background: #FF5F57; }
    .page-landing .terminal-dot.yellow { background: #FEBC2E; }
    .page-landing .terminal-dot.green { background: #28C840; }
    .page-landing .terminal-title {
        flex: 1; text-align: center; font-size: 0.8rem;
        color: var(--text-muted); font-weight: 500;
    }
    .page-landing .terminal-body {
        padding: 1.5rem; font-family: 'Fira Code', 'SF Mono', monospace;
        font-size: 0.88rem; line-height: 1.8; min-height: 280px;
    }
    .page-landing .terminal-body .prompt { color: var(--accent); }
    .page-landing .terminal-body .cmd { color: #E8EDF5; }
    .page-landing .terminal-body .comment { color: #546378; }
    .page-landing .terminal-body .output { color: #8899B0; }
    .page-landing .terminal-body .success { color: #36B37E; }
    .page-landing .terminal-body .highlight { color: var(--primary-light); }

    /* ── CTA ── */
    .page-landing #cta {
        background: var(--dark);
        text-align: center; padding: 6rem 2rem;
    }
    .page-landing .cta-box {
        max-width: 700px; margin: 0 auto;
        background: linear-gradient(135deg, var(--dark-card), var(--dark-surface));
        border: 1px solid var(--border);
        border-radius: 24px; padding: 4rem 3rem;
        position: relative; overflow: hidden;
    }
    .page-landing .cta-box::before {
        content: '';
        position: absolute; top: -100px; right: -100px;
        width: 300px; height: 300px; border-radius: 50%;
        background: radial-gradient(circle, rgba(0,82,204,0.15), transparent);
        pointer-events: none;
    }
    .page-landing .cta-box h2 { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; position: relative; }
    .page-landing .cta-box p { color: var(--text-muted); margin-bottom: 2rem; font-size: 1.05rem; position: relative; }
    .page-landing .cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

    /* ── Footer ── */
    .page-landing footer {
        padding: 3rem 2rem; border-top: 1px solid var(--border);
        background: var(--dark);
    }
    .page-landing .footer-inner {
        max-width: 1100px; margin: 0 auto;
        display: flex; justify-content: space-between; align-items: center;
        flex-wrap: wrap; gap: 1rem;
    }
    .page-landing .footer-inner p { color: var(--text-muted); font-size: 0.85rem; }
    .page-landing .footer-links { display: flex; gap: 1.5rem; }
    .page-landing .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
    .page-landing .footer-links a:hover { color: var(--text); }

    /* ── Responsive ── */
    @media (max-width: 768px) {
        .page-landing .nav-links { display: none; }
        .page-landing .cap-grid { grid-template-columns: 1fr; }
        .page-landing .cta-box { padding: 3rem 1.5rem; }
    }

    /* ── Animations ── */
    .page-landing .fade-in {
        opacity: 0; transform: translateY(30px);
        transition: opacity 0.6s, transform 0.6s;
    }
    .page-landing .fade-in.visible { opacity: 1; transform: translateY(0); }

    /* ── Language selector ── */
    .page-landing .lang-selector { position: relative; margin-left: 1rem; }
    .page-landing .lang-current {
        display: flex; align-items: center; gap: 6px;
        background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
        color: var(--text); padding: 6px 12px; border-radius: 8px;
        cursor: pointer; font-size: 0.85rem; transition: all 0.2s;
    }
    .page-landing .lang-current:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }
    .page-landing .lang-current span { font-weight: 500; }
    .page-landing .lang-dropdown {
        display: none; position: absolute; top: calc(100% + 8px); right: 0;
        background: var(--dark-card); border: 1px solid var(--border);
        border-radius: 10px; min-width: 170px; padding: 6px;
        box-shadow: 0 12px 40px rgba(0,0,0,0.4); z-index: 200;
    }
    .page-landing .lang-dropdown.open { display: block; }
    .page-landing .lang-option {
        display: flex; align-items: center; gap: 8px; width: 100%;
        padding: 8px 12px; border: none; background: none;
        color: var(--text-muted); font-size: 0.85rem; border-radius: 6px;
        cursor: pointer; transition: all 0.15s; text-align: left;
    }
    .page-landing .lang-option:hover { background: rgba(255,255,255,0.06); color: var(--text); }
    .page-landing .lang-option.active { color: var(--accent); font-weight: 600; }

/* ══════════════════════════════════════
   LOGIN / REGISTER
   ══════════════════════════════════════ */

/* ── Navigation ── */
.page-login nav {
    backdrop-filter: blur(20px);
    background: rgba(10, 22, 40, 0.85);
    border-bottom: 1px solid var(--border);
}
.page-login .nav-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 2rem; height: 64px;
}
.page-login .logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 700; font-size: 1.25rem;
    text-decoration: none; color: var(--text);
}
.page-login .logo-icon {
    width: 36px; height: 36px; border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 800; color: #fff;
}
.page-login .nav-links { display: flex; gap: 1.5rem; align-items: center; }
.page-login .nav-links a {
    color: var(--text-muted); text-decoration: none; font-size: 0.9rem;
    font-weight: 500; transition: color 0.2s;
}
.page-login .nav-links a:hover { color: var(--text); }

/* ── Page wrapper ── */
.page-login .page-wrapper {
    flex: 1; display: flex; align-items: center; justify-content: center;
    padding: 3rem 2rem;
    position: relative; overflow: hidden;
}
.page-login .page-wrapper::before {
    content: '';
    position: absolute; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(ellipse at 30% 30%, rgba(0,82,204,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(0,184,217,0.07) 0%, transparent 50%);
    pointer-events: none;
}
.page-login .page-wrapper .grid-bg {
    position: absolute; inset: 0;
    background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* ── Auth container ── */
.page-login .auth-container {
    position: relative; z-index: 2;
    width: 100%; max-width: 440px;
}
.page-login .auth-header {
    text-align: center; margin-bottom: 2rem;
}
.page-login .auth-header h1 {
    font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #c8d8ec 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.page-login .auth-header p {
    color: var(--text-muted); font-size: 1rem;
}

/* ── Tabs ── */
.page-login .auth-tabs {
    display: flex; margin-bottom: 2rem;
    background: var(--dark-surface);
    border-radius: 12px;
    padding: 4px;
}
.page-login .auth-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
}
.page-login .auth-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,82,204,0.3);
}
.page-login .auth-tab:not(.active):hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
}

/* ── Form card ── */
.page-login .form-card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ── Form panels ── */
.page-login .auth-panel { display: none; }
.page-login .auth-panel.active { display: block; }

/* ── Form groups ── */
.page-login .form-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.page-login .form-group {
    margin-bottom: 1.25rem;
}
.page-login .form-group label {
    display: block; font-size: 0.85rem; font-weight: 500;
    color: var(--text-muted); margin-bottom: 0.4rem;
}
.page-login .form-group label .required { color: var(--error); }

.page-login .input-wrapper { position: relative; }
.page-login .input-wrapper .icon {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); font-size: 1rem; pointer-events: none;
    transition: color 0.2s;
}

.page-login input, .page-login select {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--dark-surface);
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s;
    outline: none;
}
.page-login input::placeholder { color: rgba(136,153,176,0.6); }
.page-login input:focus, .page-login select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(76,154,255,0.15);
}

.page-login select {
    appearance: none; cursor: pointer;
}
.page-login select option { background: var(--dark-surface); color: var(--text); }

/* ── Password strength ── */
.page-login .password-strength {
    display: flex; gap: 4px; margin-top: 6px;
}
.page-login .strength-bar {
    height: 3px; flex: 1; border-radius: 2px;
    background: var(--border); transition: background 0.3s;
}
.page-login .strength-bar.weak { background: var(--error); }
.page-login .strength-bar.medium { background: #FFAB00; }
.page-login .strength-bar.strong { background: var(--success); }

/* ── Checkbox ── */
.page-login .checkbox-group {
    display: flex; align-items: flex-start; gap: 10px;
    margin: 1.25rem 0;
}
.page-login .checkbox-group input[type="checkbox"] {
    width: 18px; height: 18px; padding: 0;
    margin-top: 2px; cursor: pointer;
    accent-color: var(--primary-light);
}
.page-login .checkbox-group label {
    font-size: 0.85rem; color: var(--text-muted); margin: 0; cursor: pointer;
}
.page-login .checkbox-group a {
    color: var(--primary-light); text-decoration: none;
}
.page-login .checkbox-group a:hover { text-decoration: underline; }

/* ── Forgot password ── */
.page-login .form-extras {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1.5rem;
}
.page-login .form-extras a {
    color: var(--primary-light); text-decoration: none; font-size: 0.85rem; font-weight: 500;
}
.page-login .form-extras a:hover { text-decoration: underline; }

/* ── Buttons ── */
.page-login .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 28px; border-radius: 10px; font-weight: 600;
    font-size: 0.95rem; text-decoration: none;
    transition: all 0.25s; cursor: pointer; border: none;
    width: 100%;
}
.page-login .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff; box-shadow: 0 4px 20px rgba(0,82,204,0.35);
}
.page-login .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0,82,204,0.5);
}
.page-login .btn-primary:disabled {
    opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none;
}

/* ── Error message ── */
.page-login .form-error {
    display: none;
    background: rgba(255,86,48,0.1);
    border: 1px solid rgba(255,86,48,0.25);
    border-radius: 10px;
    padding: 10px 14px;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    color: var(--error);
}
.page-login .form-error.visible { display: block; }

/* ── Divider ── */
.page-login .divider {
    display: flex; align-items: center; gap: 1rem;
    margin: 1.5rem 0; color: var(--text-muted); font-size: 0.85rem;
}
.page-login .divider::before, .page-login .divider::after {
    content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ── Social buttons ── */
.page-login .social-buttons {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem;
}
.page-login .btn-social {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 16px; border-radius: 10px;
    border: 1px solid var(--border);
    background: transparent; color: var(--text);
    font-family: inherit; font-size: 0.9rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
}
.page-login .btn-social:hover {
    border-color: rgba(76,154,255,0.3);
    background: rgba(76,154,255,0.05);
}
.page-login .btn-social svg { width: 18px; height: 18px; }

/* ── Steps indicator (register) ── */
.page-login .steps-indicator {
    display: flex; align-items: center; justify-content: center;
    gap: 0; margin-bottom: 2rem;
}
.page-login .step-dot {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; font-weight: 600;
    border: 2px solid var(--border);
    color: var(--text-muted);
    background: transparent;
    transition: all 0.3s;
    cursor: pointer;
}
.page-login .step-dot.active {
    border-color: var(--primary-light);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,82,204,0.35);
}
.page-login .step-dot.completed {
    border-color: var(--success);
    background: var(--success);
    color: #fff;
}
.page-login .step-line {
    width: 60px; height: 2px;
    background: var(--border);
    transition: background 0.3s;
}
.page-login .step-line.completed { background: var(--success); }

.page-login .form-step { display: none; }
.page-login .form-step.active { display: block; }

/* Account type toggle */
.page-login .account-type-toggle {
    display: flex; gap: 12px; margin-bottom: 1.5rem;
}
.page-login .account-type-btn {
    flex: 1; padding: 14px 16px; border-radius: 12px;
    border: 2px solid var(--border); background: transparent;
    color: var(--text-muted); cursor: pointer;
    transition: all 0.2s; font-family: inherit;
    display: flex; align-items: center; gap: 10px;
    font-size: 0.88rem; font-weight: 500;
}
.page-login .account-type-btn:hover { border-color: rgba(76,154,255,0.3); }
.page-login .account-type-btn.active {
    border-color: var(--primary-light);
    background: rgba(0,82,204,0.08);
    color: var(--text);
}
.page-login .account-type-btn .at-icon {
    width: 36px; height: 36px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; flex-shrink: 0;
}
.page-login .account-type-btn.active .at-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.page-login .account-type-btn .at-label { font-weight: 600; }
.page-login .account-type-btn .at-desc { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

/* Business extra fields */
.page-login .biz-fields { display: none; }
.page-login .biz-fields.visible { display: block; }

.page-login .step-title {
    font-size: 1.05rem; font-weight: 600; margin-bottom: 1.5rem;
    color: var(--text);
}

.page-login .form-buttons {
    display: flex; gap: 1rem; margin-top: 1.5rem;
}
.page-login .form-buttons .btn { flex: 1; }

.page-login .btn-outline {
    border: 1px solid var(--border); color: var(--text);
    background: transparent;
}
.page-login .btn-outline:hover { border-color: var(--primary-light); background: rgba(76,154,255,0.08); }

/* ── Card preview ── */
.page-login .card-preview {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: 14px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    min-height: 160px;
}
.page-login .card-preview::before {
    content: '';
    position: absolute; top: -30px; right: -30px;
    width: 120px; height: 120px; border-radius: 50%;
    background: rgba(255,255,255,0.06);
}
.page-login .card-preview::after {
    content: '';
    position: absolute; bottom: -40px; left: -20px;
    width: 160px; height: 160px; border-radius: 50%;
    background: rgba(255,255,255,0.04);
}
.page-login .card-chip {
    width: 40px; height: 30px; border-radius: 6px;
    background: linear-gradient(135deg, #D4AF37, #F5D76E);
    margin-bottom: 1.25rem;
}
.page-login .card-number {
    font-size: 1.2rem; font-weight: 500;
    letter-spacing: 3px; margin-bottom: 1rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    color: rgba(255,255,255,0.9);
}
.page-login .card-bottom {
    display: flex; justify-content: space-between; align-items: flex-end;
}
.page-login .card-label {
    font-size: 0.65rem; text-transform: uppercase;
    letter-spacing: 1px; color: rgba(255,255,255,0.5);
    margin-bottom: 2px;
}
.page-login .card-value {
    font-size: 0.9rem; color: rgba(255,255,255,0.85); font-weight: 500;
}
.page-login .card-brand { font-size: 1.6rem; opacity: 0.9; }
.page-login #stripe-card-element.StripeElement--focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(76, 154, 255, 0.15);
}
.page-login #stripe-card-element.StripeElement--invalid {
    border-color: #FF5630;
}

.page-login .card-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}

/* ── Security badges ── */
.page-login .security-badges {
    display: flex; justify-content: center; gap: 2rem;
    margin-top: 2rem; opacity: 0.6;
}
.page-login .security-badge {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.75rem; color: var(--text-muted);
}

/* ── Footer ── */
.page-login footer {
    padding: 1.5rem 2rem; border-top: 1px solid var(--border);
    background: var(--dark);
}
.page-login .footer-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
}
.page-login .footer-inner p { color: var(--text-muted); font-size: 0.8rem; }
.page-login .footer-links { display: flex; gap: 1.5rem; }
.page-login .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.8rem; }
.page-login .footer-links a:hover { color: var(--text); }

/* ── Responsive ── */
@media (max-width: 600px) {
    .page-login .form-card { padding: 1.5rem; }
    .page-login .form-row, .page-login .card-row { grid-template-columns: 1fr; }
    .page-login .social-buttons { grid-template-columns: 1fr; }
    .page-login .nav-links { display: none; }
    .page-login .auth-container { max-width: 100%; }
}

/* ── Animations ── */
.page-login .auth-container { animation: fadeUp 0.5s ease-out; }
@keyframes fadeUp {
    .page-login from { opacity: 0; transform: translateY(20px); }
    .page-login to { opacity: 1; transform: translateY(0); }
}
.page-login .auth-panel { animation: fadeIn 0.3s ease-out; }
@keyframes fadeIn {
    .page-login from { opacity: 0; } to { opacity: 1; }
}

/* ── Language selector ── */
.page-login .lang-selector { position: relative; margin-left: 1rem; }
.page-login .lang-current {
    display: flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    color: var(--text); padding: 6px 12px; border-radius: 8px;
    cursor: pointer; font-size: 0.85rem; transition: all 0.2s;
}
.page-login .lang-current:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }
.page-login .lang-current span { font-weight: 500; }
.page-login .lang-dropdown {
    display: none; position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--dark-card); border: 1px solid var(--border);
    border-radius: 10px; min-width: 170px; padding: 6px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4); z-index: 200;
}
.page-login .lang-dropdown.open { display: block; }
.page-login .lang-option {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 8px 12px; border: none; background: none;
    color: var(--text-muted); font-size: 0.85rem; border-radius: 6px;
    cursor: pointer; transition: all 0.15s; text-align: left;
}
.page-login .lang-option:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.page-login .lang-option.active { color: var(--accent); font-weight: 600; }

/* ══════════════════════════════════════
   CHAT
   ══════════════════════════════════════ */

/* ══════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════ */
.page-chat .sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: var(--dark-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    transition: transform 0.3s;
}

/* ── Logo area ── */
.page-chat .sidebar-header {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
}
.page-chat .sidebar-logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--text);
    font-weight: 700; font-size: 1.1rem;
}
.page-chat .sidebar-logo .logo-icon {
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; font-weight: 800; color: #fff;
    flex-shrink: 0;
}

/* ── New chat button ── */
.page-chat .new-chat-btn {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: calc(100% - 2.5rem);
    margin: 1rem 1.25rem 0.75rem;
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px dashed rgba(76,154,255,0.3);
    background: transparent;
    color: var(--primary-light);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.page-chat .new-chat-btn:hover {
    background: rgba(76,154,255,0.08);
    border-color: var(--primary-light);
}

/* ── Conversation list ── */
.page-chat .sidebar-section-label {
    padding: 0.5rem 1.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-dim);
}
.page-chat .conversations {
    flex: 1;
    overflow-y: auto;
    padding: 0 0.75rem;
}
.page-chat .conversations::-webkit-scrollbar { width: 4px; }
.page-chat .conversations::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.page-chat .conv-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
    margin-bottom: 2px;
    position: relative;
}
.page-chat .conv-item:hover { background: var(--dark-hover); }
.page-chat .conv-item.active { background: rgba(76,154,255,0.1); }
.page-chat .conv-item.active::before {
    content: '';
    position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 24px; border-radius: 0 3px 3px 0;
    background: var(--primary-light);
}
.page-chat .conv-icon {
    width: 32px; height: 32px; border-radius: 8px;
    background: var(--dark-surface);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; flex-shrink: 0;
}
.page-chat .conv-info { flex: 1; min-width: 0; }
.page-chat .conv-title {
    font-size: 0.85rem; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.page-chat .conv-time { font-size: 0.7rem; color: var(--text-dim); margin-top: 1px; }
.page-chat .conv-delete {
    opacity: 0; border: none; background: none;
    color: var(--text-dim); cursor: pointer; font-size: 1rem;
    padding: 4px; border-radius: 4px; transition: all 0.15s;
}
.page-chat .conv-item:hover .conv-delete { opacity: 1; }
.page-chat .conv-delete:hover { color: var(--error); background: rgba(255,86,48,0.1); }

/* ── Sidebar footer / user ── */
.page-chat .sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px;
}
.page-chat .user-avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: linear-gradient(135deg, #6554C0, var(--primary-light));
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 600; color: #fff;
    flex-shrink: 0;
}
.page-chat .user-info { flex: 1; min-width: 0; }
.page-chat .user-name { font-size: 0.85rem; font-weight: 500; }
.page-chat .user-plan {
    font-size: 0.7rem; color: var(--accent);
    display: flex; align-items: center; gap: 4px;
}
.page-chat .user-plan .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--success);
}
.page-chat .settings-btn {
    border: none; background: var(--dark-surface); color: var(--text-muted);
    cursor: pointer; padding: 7px;
    border-radius: 8px; transition: all 0.2s;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.page-chat .settings-btn:hover { color: var(--primary-light); background: rgba(76,154,255,0.12); }
.page-chat .signout-btn {
    border: none; background: none; color: var(--text-dim);
    cursor: pointer; font-size: 0.75rem; font-weight: 500;
    padding: 5px 10px; border-radius: 6px;
    transition: all 0.15s; white-space: nowrap;
}
.page-chat .signout-btn:hover { color: var(--error); background: rgba(255,86,48,0.1); }

/* ══════════════════════════════════════
   MAIN CHAT AREA
   ══════════════════════════════════════ */
.page-chat .chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    min-width: 0;
}

/* ── Top bar ── */
.page-chat .chat-topbar {
    height: 56px;
    padding: 0 1.5rem;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: rgba(10,22,40,0.95);
    flex-shrink: 0;
    position: relative;
    z-index: 100;
}
.page-chat .topbar-left { display: flex; align-items: center; gap: 12px; }
.page-chat .sidebar-toggle {
    display: none;
    border: none; background: none; color: var(--text-muted);
    cursor: pointer; font-size: 1.3rem; padding: 4px;
}
.page-chat .topbar-title {
    font-size: 0.95rem; font-weight: 600;
}
.page-chat .topbar-badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px; border-radius: 99px;
    background: rgba(0,184,217,0.1);
    border: 1px solid rgba(0,184,217,0.2);
    font-size: 0.72rem; color: var(--accent); font-weight: 500;
}
.page-chat .topbar-badge .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    .page-chat 0%, .page-chat 100% { opacity: 1; } 50% { opacity: 0.4; }
}
.page-chat .topbar-actions { display: flex; align-items: center; gap: 6px; position: relative; }
.page-chat .topbar-btn {
    border: none; background: none; color: var(--text-muted);
    cursor: pointer; font-size: 1.1rem; padding: 6px 8px;
    border-radius: 6px; transition: all 0.15s;
}
.page-chat .topbar-btn:hover { color: var(--text); background: var(--dark-hover); }

/* ── Messages area ── */
.page-chat .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 0;
}
.page-chat .chat-messages::-webkit-scrollbar { width: 6px; }
.page-chat .chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 6px; }
.page-chat .chat-messages::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

.page-chat .messages-inner {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── Welcome screen ── */
.page-chat .welcome-screen {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center;
    padding: 4rem 2rem 2rem;
    text-align: center;
}
.page-chat .welcome-icon {
    width: 72px; height: 72px; border-radius: 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; margin-bottom: 1.5rem;
    box-shadow: 0 8px 32px rgba(0,82,204,0.3);
}
.page-chat .welcome-screen h2 {
    font-size: 1.6rem; font-weight: 700; margin-bottom: 0.5rem;
}
.page-chat .welcome-screen p {
    color: var(--text-muted); font-size: 1rem; max-width: 480px;
    margin-bottom: 2.5rem; line-height: 1.6;
}

/* ── Quick action cards ── */
.page-chat .quick-actions {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0.75rem; width: 100%; max-width: 560px;
}
.page-chat .quick-action {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.1rem 1.25rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    color: var(--text);
}
.page-chat .quick-action:hover {
    border-color: rgba(76,154,255,0.3);
    background: var(--dark-hover);
    transform: translateY(-2px);
}
.page-chat .quick-action-icon { font-size: 1.2rem; margin-bottom: 0.5rem; }
.page-chat .quick-action-title { font-size: 0.88rem; font-weight: 600; margin-bottom: 0.25rem; }
.page-chat .quick-action-desc { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }

/* ── Message bubbles ── */
.page-chat .message {
    display: flex; gap: 14px;
    margin-bottom: 1.75rem;
    animation: msgIn 0.3s ease-out;
}
@keyframes msgIn {
    .page-chat from { opacity: 0; transform: translateY(8px); }
    .page-chat to { opacity: 1; transform: translateY(0); }
}
.page-chat .message-avatar {
    width: 34px; height: 34px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; flex-shrink: 0; margin-top: 2px;
}
.page-chat .message-avatar.agent {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff; font-weight: 700; font-size: 0.7rem;
}
.page-chat .message-avatar.user {
    background: linear-gradient(135deg, #6554C0, var(--primary-light));
    color: #fff; font-weight: 600;
}
.page-chat .message-body { flex: 1; min-width: 0; }
.page-chat .message-sender {
    font-size: 0.8rem; font-weight: 600; margin-bottom: 6px;
    display: flex; align-items: center; gap: 8px;
}
.page-chat .message-sender .time { font-weight: 400; color: var(--text-dim); font-size: 0.72rem; }
.page-chat .message-content {
    font-size: 0.92rem; line-height: 1.7; color: var(--text);
}
.page-chat .message-content p { margin-bottom: 0.75rem; }
.page-chat .message-content p:last-child { margin-bottom: 0; }

/* code blocks inside messages */
.page-chat .message-content code {
    background: var(--dark-surface);
    padding: 2px 6px; border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85em; color: var(--accent);
}
.page-chat .message-content pre {
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: 0.75rem 0;
    font-family: 'Fira Code', monospace;
    font-size: 0.83rem;
    line-height: 1.7;
}

/* ── Result cards inside messages ── */
.page-chat .result-card {
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    margin: 0.75rem 0;
}
.page-chat .result-card-header {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.85rem; font-weight: 600;
    margin-bottom: 0.75rem;
}
.page-chat .result-card-header .badge {
    padding: 2px 8px; border-radius: 6px;
    font-size: 0.7rem; font-weight: 600;
}
.page-chat .badge-success { background: rgba(54,179,126,0.15); color: var(--success); }
.page-chat .badge-info { background: rgba(0,184,217,0.15); color: var(--accent); }

/* layer table */
.page-chat .layer-table {
    width: 100%; border-collapse: collapse;
    font-size: 0.83rem; margin-top: 0.5rem;
}
.page-chat .layer-table th {
    text-align: left; padding: 8px 12px;
    font-weight: 600; color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem; text-transform: uppercase;
    letter-spacing: 0.5px;
}
.page-chat .layer-table td {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.page-chat .layer-table tr:last-child td { border-bottom: none; }
.page-chat .layer-table .material {
    display: flex; align-items: center; gap: 8px;
}
.page-chat .layer-table .color-dot {
    width: 10px; height: 10px; border-radius: 3px;
}

/* ── Inline chart placeholder ── */
.page-chat .inline-chart {
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    margin: 0.75rem 0;
    position: relative;
}
.page-chat .inline-chart canvas {
    width: 100%; height: 200px;
}
.page-chat .chart-legend {
    display: flex; gap: 1.25rem; margin-top: 0.75rem;
    font-size: 0.75rem; color: var(--text-muted);
}
.page-chat .chart-legend-item {
    display: flex; align-items: center; gap: 6px;
}
.page-chat .chart-legend-item .swatch {
    width: 12px; height: 3px; border-radius: 2px;
}

/* ── Typing indicator ── */
.page-chat .typing-indicator {
    display: none; /* shown via JS */
    align-items: center; gap: 14px;
    margin-bottom: 1.75rem;
}
.page-chat .typing-indicator.visible { display: flex; }
.page-chat .typing-dots {
    display: flex; gap: 4px; padding: 12px 16px;
    background: var(--dark-card);
    border-radius: 12px;
}
.page-chat .typing-dots span {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--text-dim);
    animation: typingBounce 1.4s infinite;
}
.page-chat .typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.page-chat .typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
    .page-chat 0%, .page-chat 60%, .page-chat 100% { transform: translateY(0); opacity: 0.4; }
    .page-chat 30% { transform: translateY(-6px); opacity: 1; }
}

/* ── Message actions (copy, etc.) ── */
.page-chat .message-actions {
    display: flex; gap: 4px; margin-top: 8px; opacity: 0;
    transition: opacity 0.15s;
}
.page-chat .message:hover .message-actions { opacity: 1; }
.page-chat .msg-action-btn {
    border: none; background: var(--dark-surface);
    color: var(--text-dim); cursor: pointer;
    font-size: 0.75rem; padding: 4px 10px; border-radius: 6px;
    font-family: inherit; transition: all 0.15s;
    display: flex; align-items: center; gap: 4px;
}
.page-chat .msg-action-btn:hover { color: var(--text); background: var(--dark-hover); }

/* ══════════════════════════════════════
   INPUT AREA
   ══════════════════════════════════════ */
.page-chat .chat-input-area {
    padding: 0.75rem 2rem 1.25rem;
    flex-shrink: 0;
}
.page-chat .chat-input-wrapper {
    max-width: 820px;
    margin: 0 auto;
}
.page-chat .input-box {
    display: flex; align-items: flex-end; gap: 10px;
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 10px 10px 10px 18px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.page-chat .input-box:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(76,154,255,0.1);
}
.page-chat .input-box textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-family: inherit;
    font-size: 0.92rem;
    line-height: 1.5;
    resize: none;
    outline: none;
    min-height: 24px;
    max-height: 150px;
    padding: 4px 0;
}
.page-chat .input-box textarea::placeholder { color: var(--text-dim); }

.page-chat .input-actions {
    display: flex; align-items: center; gap: 4px;
}
.page-chat .input-action-btn {
    border: none;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1.15rem;
    padding: 6px;
    border-radius: 8px;
    transition: all 0.15s;
    display: flex; align-items: center; justify-content: center;
}
.page-chat .input-action-btn:hover { color: var(--text); background: var(--dark-hover); }

.page-chat .send-btn {
    width: 38px; height: 38px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}
.page-chat .send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(0,82,204,0.4);
}
.page-chat .send-btn:disabled {
    opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none;
}

.page-chat .input-hint {
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-top: 8px;
}
.page-chat .input-hint kbd {
    background: var(--dark-surface);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: inherit;
    font-size: 0.7rem;
    border: 1px solid var(--border);
}

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 768px) {
    .page-chat .sidebar {
    position: fixed; left: 0; top: 0; z-index: 200;
    transform: translateX(-100%);
    }
    .page-chat .sidebar.open { transform: translateX(0); }
    .page-chat .sidebar-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 199;
    background: rgba(0,0,0,0.5);
    }
    .page-chat .sidebar-overlay.visible { display: block; }
    .page-chat .sidebar-toggle { display: block; }
    .page-chat .messages-inner { padding: 0 1rem; }
    .page-chat .chat-input-area { padding: 0.75rem 1rem 1rem; }
    .page-chat .quick-actions { grid-template-columns: 1fr; }
}

/* ── Language selector ── */
.page-chat .lang-selector { position: relative; margin-left: 4px; }
.page-chat .lang-current {
    display: flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    color: var(--text); padding: 4px 10px; border-radius: 6px;
    cursor: pointer; font-size: 0.8rem; transition: all 0.2s;
}
.page-chat .lang-current:hover { background: rgba(255,255,255,0.1); }
.page-chat .lang-current span { font-weight: 500; }
.page-chat .lang-dropdown {
    display: none; position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--dark-card); border: 1px solid var(--border);
    border-radius: 10px; min-width: 170px; padding: 6px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4); z-index: 300;
}
.page-chat .lang-dropdown.open { display: block; }
.page-chat .lang-option {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 8px 12px; border: none; background: none;
    color: var(--text-muted); font-size: 0.85rem; border-radius: 6px;
    cursor: pointer; transition: all 0.15s; text-align: left;
}
.page-chat .lang-option:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.page-chat .lang-option.active { color: var(--accent); font-weight: 600; }

/* ══════════════════════════════════════
   PROFILE PANEL (slide-over)
   ══════════════════════════════════════ */
.page-chat .profile-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.5); z-index: 500;
}
.page-chat .profile-overlay.visible { display: block; }

.page-chat .profile-panel {
    position: fixed; top: 0; right: -520px; width: 480px; max-width: 100vw;
    height: 100vh; background: var(--dark-card);
    border-left: 1px solid var(--border);
    z-index: 501; display: flex; flex-direction: column;
    transition: right 0.3s cubic-bezier(0.4,0,0.2,1);
    box-shadow: -8px 0 40px rgba(0,0,0,0.4);
}
.page-chat .profile-panel.open { right: 0; }

.page-chat .profile-panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.page-chat .profile-panel-header h2 { font-size: 1.1rem; font-weight: 700; }
.page-chat .profile-close-btn {
    border: none; background: none; color: var(--text-muted);
    cursor: pointer; font-size: 1.25rem; padding: 4px 8px;
    border-radius: 6px; transition: all 0.15s;
}
.page-chat .profile-close-btn:hover { color: var(--text); background: var(--dark-hover); }

.page-chat .profile-panel-body {
    flex: 1; overflow-y: auto; padding: 1.5rem;
}
.page-chat .profile-panel-body::-webkit-scrollbar { width: 4px; }
.page-chat .profile-panel-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* Profile tabs */
.page-chat .profile-tabs {
    display: flex; gap: 4px;
    margin-bottom: 1.5rem;
    background: var(--dark-surface);
    border-radius: 10px;
    padding: 4px;
}
.page-chat .profile-tab {
    flex: 1; padding: 8px 12px;
    border: none; background: none;
    color: var(--text-dim); font-size: 0.8rem; font-weight: 600;
    border-radius: 7px; cursor: pointer;
    transition: all 0.2s; font-family: inherit;
    text-align: center;
}
.page-chat .profile-tab:hover { color: var(--text-muted); }
.page-chat .profile-tab.active {
    background: rgba(76,154,255,0.15);
    color: var(--primary-light);
}

.page-chat .profile-section { display: none; }
.page-chat .profile-section.active { display: block; }

/* Profile avatar area */
.page-chat .profile-avatar-area {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 1.75rem;
}
.page-chat .profile-avatar-large {
    width: 64px; height: 64px; border-radius: 50%;
    background: linear-gradient(135deg, #6554C0, var(--primary-light));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; font-weight: 700; color: #fff;
    flex-shrink: 0;
}
.page-chat .profile-avatar-info h3 { font-size: 1rem; font-weight: 600; margin-bottom: 2px; }
.page-chat .profile-avatar-info p { font-size: 0.8rem; color: var(--text-muted); }

/* Form fields */
.page-chat .pf-group { margin-bottom: 1.25rem; }
.page-chat .pf-group label {
    display: block; font-size: 0.75rem; font-weight: 600;
    color: var(--text-dim); text-transform: uppercase;
    letter-spacing: 0.5px; margin-bottom: 6px;
}
.page-chat .pf-group input, .page-chat .pf-group select {
    width: 100%; padding: 0.6rem 0.75rem;
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 8px; color: var(--text);
    font-size: 0.88rem; outline: none;
    font-family: inherit; transition: border-color 0.2s;
}
.page-chat .pf-group input:focus, .page-chat .pf-group select:focus { border-color: var(--primary-light); }
.page-chat .pf-group input::placeholder { color: var(--text-dim); }
.page-chat .pf-group input:disabled {
    opacity: 0.6; cursor: not-allowed;
}
.page-chat .pf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.page-chat .pf-btn {
    padding: 0.6rem 1.25rem; border-radius: 8px;
    font-size: 0.85rem; font-weight: 600;
    border: none; cursor: pointer; font-family: inherit;
    transition: all 0.2s; display: inline-flex;
    align-items: center; gap: 6px;
}
.page-chat .pf-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
}
.page-chat .pf-btn-primary:hover { opacity: 0.9; }
.page-chat .pf-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.page-chat .pf-btn-secondary {
    background: var(--dark-surface); color: var(--text-muted);
    border: 1px solid var(--border);
}
.page-chat .pf-btn-secondary:hover { border-color: var(--text-muted); color: var(--text); }

.page-chat .pf-status {
    font-size: 0.8rem; margin-top: 0.75rem; min-height: 20px;
}
.page-chat .pf-status.success { color: var(--success); }
.page-chat .pf-status.error { color: var(--error); }

/* Payment card display */
.page-chat .card-display {
    background: linear-gradient(135deg, #1a2744, #0d1b33);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    position: relative;
    overflow: hidden;
}
.page-chat .card-display::before {
    content: ''; position: absolute; top: -30px; right: -30px;
    width: 120px; height: 120px; border-radius: 50%;
    background: rgba(76,154,255,0.06);
}
.page-chat .card-display .card-brand-icon {
    font-size: 1.5rem; margin-bottom: 1.25rem;
}
.page-chat .card-display .card-number {
    font-size: 1.1rem; font-weight: 600; letter-spacing: 2px;
    margin-bottom: 1rem; font-family: 'Fira Code', monospace;
}
.page-chat .card-display .card-bottom {
    display: flex; justify-content: space-between;
    font-size: 0.75rem; color: var(--text-muted);
}
.page-chat .card-display .card-bottom .val { font-weight: 600; color: var(--text); font-size: 0.85rem; }

.page-chat .new-card-area { margin-top: 1rem; }
.page-chat .new-card-area .stripe-card-wrapper {
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 1rem;
    transition: border-color 0.2s;
}
.page-chat .new-card-area .stripe-card-wrapper.focused { border-color: var(--primary-light); }

/* Balance card */
.page-chat .balance-card {
    background: linear-gradient(135deg, rgba(0,82,204,0.1), rgba(0,184,217,0.08));
    border: 1px solid rgba(76,154,255,0.15);
    border-radius: 14px;
    padding: 1.75rem;
    text-align: center;
}
.page-chat .balance-card .balance-label {
    font-size: 0.75rem; color: var(--text-dim);
    text-transform: uppercase; letter-spacing: 1px;
    font-weight: 600; margin-bottom: 0.5rem;
}
.page-chat .balance-card .balance-amount {
    font-size: 2.5rem; font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-chat .balance-card .balance-currency {
    font-size: 0.85rem; color: var(--text-muted); margin-top: 4px;
}
.page-chat .balance-plan-info {
    margin-top: 1.5rem;
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}
.page-chat .balance-plan-info .plan-row {
    display: flex; justify-content: space-between;
    align-items: center; padding: 0.5rem 0;
    font-size: 0.85rem;
}
.page-chat .balance-plan-info .plan-row + .plan-row { border-top: 1px solid var(--border); }
.page-chat .balance-plan-info .plan-label { color: var(--text-muted); }
.page-chat .balance-plan-info .plan-value { font-weight: 600; }
.page-chat .balance-plan-info .plan-badge {
    padding: 3px 10px; border-radius: 6px;
    font-size: 0.75rem; font-weight: 600;
}
.page-chat .badge-demo-plan { background: rgba(0,184,217,0.15); color: var(--accent); }

/* Top Up */
.page-chat .topup-section {
    margin-top: 1.5rem;
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}
.page-chat .topup-amounts {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 8px; margin-bottom: 1rem;
}
.page-chat .topup-amt {
    padding: 10px 8px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--dark-card);
    color: var(--text-muted); font-size: 0.9rem; font-weight: 600;
    cursor: pointer; font-family: inherit; transition: all 0.2s;
    text-align: center;
}
.page-chat .topup-amt:hover { border-color: var(--primary-light); color: var(--text); }
.page-chat .topup-amt.active {
    background: rgba(0,82,204,0.15); border-color: var(--primary-light);
    color: var(--primary-light);
}
.page-chat .topup-custom { margin-bottom: 1rem; }
.page-chat .topup-input-wrap {
    display: flex; align-items: center;
    background: var(--dark-card); border: 1px solid var(--border);
    border-radius: 8px; overflow: hidden; transition: border-color 0.2s;
}
.page-chat .topup-input-wrap:focus-within { border-color: var(--primary-light); }
.page-chat .topup-currency {
    padding: 0.6rem 0.75rem; color: var(--text-dim);
    font-weight: 600; font-size: 0.9rem;
    border-right: 1px solid var(--border);
}
.page-chat .topup-input-wrap input {
    flex: 1; padding: 0.6rem 0.75rem;
    background: none; border: none; color: var(--text);
    font-size: 0.88rem; outline: none; font-family: inherit;
}
.page-chat .topup-input-wrap input::placeholder { color: var(--text-dim); }
.page-chat .topup-btn {
    width: 100%; justify-content: center; padding: 0.75rem;
    font-size: 0.9rem;
}

/* ══════════════════════════════════════
   AVATAR EDITOR
   ══════════════════════════════════════ */
.page-chat .avatar-editable {
    position: relative; cursor: pointer;
}
.page-chat .avatar-editable:hover .avatar-edit-overlay {
    opacity: 1;
}
.page-chat .avatar-edit-overlay {
    position: absolute; inset: 0; border-radius: 50%;
    background: rgba(0,0,0,0.55);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.2s;
    pointer-events: none;
}
.page-chat .avatar-edit-overlay svg { width: 20px; height: 20px; stroke: #fff; }

/* Avatar with image */
.page-chat .user-avatar img, .page-chat .profile-avatar-large img {
    width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
}

/* Avatar editor modal */
.page-chat .avatar-modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.65); z-index: 600;
    align-items: center; justify-content: center;
}
.page-chat .avatar-modal-overlay.visible {
    display: flex;
}
.page-chat .avatar-modal {
    background: var(--dark-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    width: 420px; max-width: 92vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    overflow: hidden;
}
.page-chat .avatar-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.page-chat .avatar-modal-header h3 { font-size: 1rem; font-weight: 700; }
.page-chat .avatar-modal-close {
    border: none; background: none; color: var(--text-muted);
    cursor: pointer; font-size: 1.2rem; padding: 4px 8px;
    border-radius: 6px; transition: all 0.15s;
}
.page-chat .avatar-modal-close:hover { color: var(--text); background: var(--dark-hover); }

.page-chat .avatar-modal-body { padding: 1.5rem; }

.page-chat .avatar-preview-row {
    display: flex; align-items: center; justify-content: center;
    gap: 20px; margin-bottom: 1.5rem;
}
.page-chat .avatar-preview-circle {
    width: 96px; height: 96px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2.2rem; font-weight: 700; color: #fff;
    overflow: hidden; flex-shrink: 0;
    border: 3px solid var(--border-light);
}
.page-chat .avatar-preview-circle img {
    width: 100%; height: 100%; object-fit: cover;
}

.page-chat .avatar-tabs {
    display: flex; gap: 4px; margin-bottom: 1.25rem;
    background: var(--dark-surface); border-radius: 10px; padding: 4px;
}
.page-chat .avatar-tab-btn {
    flex: 1; padding: 8px 12px; border: none; background: none;
    color: var(--text-dim); font-size: 0.8rem; font-weight: 600;
    border-radius: 7px; cursor: pointer; transition: all 0.2s;
    font-family: inherit; text-align: center;
}
.page-chat .avatar-tab-btn:hover { color: var(--text-muted); }
.page-chat .avatar-tab-btn.active {
    background: rgba(76,154,255,0.15); color: var(--primary-light);
}

.page-chat .avatar-tab-content { display: none; }
.page-chat .avatar-tab-content.active { display: block; }

/* Initials tab */
.page-chat .avatar-color-grid {
    display: grid; grid-template-columns: repeat(8, 1fr);
    gap: 8px; margin-bottom: 1.25rem;
}
.page-chat .avatar-color-swatch {
    width: 100%; aspect-ratio: 1; border-radius: 50%;
    border: 3px solid transparent; cursor: pointer;
    transition: all 0.15s; position: relative;
}
.page-chat .avatar-color-swatch:hover { transform: scale(1.15); }
.page-chat .avatar-color-swatch.active {
    border-color: #fff;
    box-shadow: 0 0 0 2px var(--primary-light);
}

/* Upload tab */
.page-chat .avatar-upload-zone {
    border: 2px dashed var(--border-light);
    border-radius: 12px; padding: 2rem;
    text-align: center; cursor: pointer;
    transition: all 0.2s;
}
.page-chat .avatar-upload-zone:hover {
    border-color: var(--primary-light);
    background: rgba(76,154,255,0.04);
}
.page-chat .avatar-upload-zone svg {
    width: 40px; height: 40px; stroke: var(--text-dim);
    margin-bottom: 0.75rem;
}
.page-chat .avatar-upload-zone p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 4px; }
.page-chat .avatar-upload-zone span { color: var(--text-dim); font-size: 0.75rem; }

.page-chat .avatar-crop-area {
    display: none; flex-direction: column; align-items: center; gap: 12px;
}
.page-chat .avatar-crop-area.visible { display: flex; }
.page-chat .avatar-crop-canvas-wrap {
    position: relative; width: 240px; height: 240px;
    border-radius: 12px; overflow: hidden;
    background: var(--dark-surface); cursor: grab;
}
.page-chat .avatar-crop-canvas-wrap:active { cursor: grabbing; }
.page-chat .avatar-crop-canvas-wrap canvas { display: block; }
.page-chat .avatar-crop-circle-guide {
    position: absolute; inset: 0; pointer-events: none;
    border-radius: 50%;
    box-shadow: 0 0 0 120px rgba(10,22,40,0.7);
}
.page-chat .avatar-zoom-slider {
    width: 200px; accent-color: var(--primary-light);
}

.page-chat .avatar-modal-footer {
    display: flex; gap: 8px; justify-content: flex-end;
    padding: 1rem 1.25rem; border-top: 1px solid var(--border);
}

@media (max-width: 540px) {
    .page-chat .profile-panel { width: 100vw; }
    .page-chat .pf-row { grid-template-columns: 1fr; }
    .page-chat .avatar-modal { width: 95vw; }
    .page-chat .avatar-color-grid { grid-template-columns: repeat(6, 1fr); }
}

/* ══════════════════════════════════════
   ADMIN PANEL
   ══════════════════════════════════════ */

    /* ═══════ SIDEBAR ═══════ */
    .page-admin .sidebar {
        width: var(--sidebar-w);
        min-width: var(--sidebar-w);
        background: var(--dark-card);
        border-right: 1px solid var(--border);
        display: flex;
        flex-direction: column;
        height: 100vh;
    }

    .page-admin .sidebar-header {
        padding: 1.25rem;
        border-bottom: 1px solid var(--border);
    }

    .page-admin .sidebar-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: var(--text);
    }

    .page-admin .sidebar-logo-icon {
        width: 36px; height: 36px; border-radius: 8px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        display: flex; align-items: center; justify-content: center;
        font-size: 0.75rem; font-weight: 800; color: #fff;
    }

    .page-admin .sidebar-logo-text {
        display: flex; flex-direction: column;
    }

    .page-admin .sidebar-logo-text span:first-child {
        font-weight: 700; font-size: 1rem; line-height: 1.2;
    }

    .page-admin .sidebar-logo-text span:last-child {
        font-size: 0.65rem; color: var(--accent);
        font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
    }

    .page-admin .sidebar-nav {
        flex: 1;
        padding: 1rem 0.75rem;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .page-admin .sidebar-nav a {
        display: flex; align-items: center; gap: 10px;
        padding: 0.65rem 0.75rem; border-radius: 8px;
        color: var(--text-muted); text-decoration: none;
        font-size: 0.875rem; font-weight: 500;
        transition: all 0.2s;
    }

    .page-admin .sidebar-nav a:hover { background: var(--dark-hover); color: var(--text); }
    .page-admin .sidebar-nav a.active { background: rgba(0,82,204,0.15); color: var(--primary-light); }

    .page-admin .sidebar-nav a svg {
        width: 18px; height: 18px; flex-shrink: 0;
    }

    .page-admin .sidebar-footer {
        padding: 1rem 1.25rem;
        border-top: 1px solid var(--border);
    }

    .page-admin .admin-badge {
        display: inline-flex; align-items: center; gap: 6px;
        padding: 4px 10px; border-radius: 6px;
        background: rgba(0,82,204,0.15);
        color: var(--primary-light);
        font-size: 0.75rem; font-weight: 600;
    }

    .page-admin .sidebar-footer .logout-btn {
        display: block; margin-top: 0.75rem;
        background: none; border: 1px solid var(--border);
        color: var(--text-muted); padding: 0.5rem 1rem;
        border-radius: 8px; font-size: 0.8rem; cursor: pointer;
        width: 100%; text-align: center; transition: all 0.2s;
    }
    .page-admin .sidebar-footer .logout-btn:hover {
        border-color: var(--error); color: var(--error);
    }

    /* ═══════ MAIN CONTENT ═══════ */
    .page-admin .main-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .page-admin .topbar {
        display: flex; align-items: center; justify-content: space-between;
        padding: 1rem 2rem;
        border-bottom: 1px solid var(--border);
        background: rgba(10, 22, 40, 0.95);
    }

    .page-admin .topbar h1 {
        font-size: 1.25rem; font-weight: 700;
    }

    .page-admin .topbar-actions {
        display: flex; align-items: center; gap: 12px;
    }

    .page-admin .search-box {
        display: flex; align-items: center; gap: 8px;
        background: var(--dark-surface);
        border: 1px solid var(--border);
        border-radius: 8px;
        padding: 0.5rem 0.75rem;
        transition: border-color 0.2s;
    }

    .page-admin .search-box:focus-within { border-color: var(--primary-light); }

    .page-admin .search-box svg { width: 16px; height: 16px; color: var(--text-dim); flex-shrink: 0; }

    .page-admin .search-box input {
        background: none; border: none; color: var(--text);
        font-size: 0.85rem; outline: none; width: 220px;
        font-family: inherit;
    }

    .page-admin .search-box input::placeholder { color: var(--text-dim); }

    .page-admin .btn-refresh {
        display: flex; align-items: center; gap: 6px;
        background: var(--dark-surface); border: 1px solid var(--border);
        color: var(--text-muted); padding: 0.5rem 0.75rem;
        border-radius: 8px; font-size: 0.8rem; cursor: pointer;
        transition: all 0.2s; font-family: inherit;
    }
    .page-admin .btn-refresh:hover { border-color: var(--primary-light); color: var(--text); }
    .page-admin .btn-refresh svg { width: 14px; height: 14px; }

    /* ═══════ STATS CARDS ═══════ */
    .page-admin .stats-row {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
        padding: 1.5rem 2rem 0;
    }

    .page-admin .stat-card {
        background: var(--dark-card);
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 1.25rem;
    }

    .page-admin .stat-card .stat-label {
        font-size: 0.75rem; color: var(--text-dim);
        text-transform: uppercase; letter-spacing: 0.5px;
        font-weight: 600; margin-bottom: 0.5rem;
    }

    .page-admin .stat-card .stat-value {
        font-size: 1.75rem; font-weight: 700;
    }

    .page-admin .stat-card .stat-value.primary { color: var(--primary-light); }
    .page-admin .stat-card .stat-value.success { color: var(--success); }
    .page-admin .stat-card .stat-value.warning { color: var(--warning); }
    .page-admin .stat-card .stat-value.accent { color: var(--accent); }

    /* ═══════ TABLE ═══════ */
    .page-admin .table-container {
        flex: 1;
        padding: 1.5rem 2rem;
        overflow: auto;
    }

    .page-admin .users-table {
        width: 100%;
        border-collapse: collapse;
        background: var(--dark-card);
        border-radius: 12px;
        overflow: hidden;
        border: 1px solid var(--border);
    }

    .page-admin .users-table thead {
        background: var(--dark-surface);
    }

    .page-admin .users-table th {
        padding: 0.75rem 1rem;
        text-align: left;
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-dim);
        font-weight: 600;
        white-space: nowrap;
        border-bottom: 1px solid var(--border);
    }

    .page-admin .users-table td {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
        border-bottom: 1px solid var(--border);
        vertical-align: middle;
    }

    .page-admin .users-table tbody tr {
        transition: background 0.15s;
        cursor: pointer;
    }

    .page-admin .users-table tbody tr:hover {
        background: var(--dark-hover);
    }

    .page-admin .users-table tbody tr:last-child td {
        border-bottom: none;
    }

    .page-admin .user-name-cell {
        display: flex; align-items: center; gap: 10px;
    }

    .page-admin .user-avatar {
        width: 32px; height: 32px; border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        display: flex; align-items: center; justify-content: center;
        font-size: 0.65rem; font-weight: 700; color: #fff;
        flex-shrink: 0;
    }

    .page-admin .user-name-info {
        display: flex; flex-direction: column;
    }

    .page-admin .user-name-info .name {
        font-weight: 600; font-size: 0.85rem; color: var(--text);
    }

    .page-admin .user-name-info .email {
        font-size: 0.75rem; color: var(--text-muted);
    }

    .page-admin .badge {
        display: inline-block;
        padding: 2px 8px; border-radius: 4px;
        font-size: 0.7rem; font-weight: 600;
        text-transform: uppercase;
    }

    .page-admin .badge-active { background: rgba(54,179,126,0.15); color: var(--success); }
    .page-admin .badge-inactive { background: rgba(255,86,48,0.15); color: var(--error); }
    .page-admin .badge-demo { background: rgba(0,184,217,0.15); color: var(--accent); }
    .page-admin .badge-pro { background: rgba(0,82,204,0.15); color: var(--primary-light); }

    .page-admin .text-muted { color: var(--text-muted); }
    .page-admin .text-dim { color: var(--text-dim); }

    .page-admin .actions-cell {
        display: flex; gap: 6px;
    }

    .page-admin .btn-icon {
        width: 30px; height: 30px; border-radius: 6px;
        border: 1px solid var(--border); background: none;
        color: var(--text-muted); cursor: pointer;
        display: flex; align-items: center; justify-content: center;
        transition: all 0.2s;
    }

    .page-admin .btn-icon:hover { border-color: var(--primary-light); color: var(--primary-light); }
    .page-admin .btn-icon.danger:hover { border-color: var(--error); color: var(--error); }
    .page-admin .btn-icon svg { width: 14px; height: 14px; }

    /* ═══════ PAGINATION ═══════ */
    .page-admin .pagination {
        display: flex; align-items: center; justify-content: space-between;
        padding: 0 2rem 1.5rem;
    }

    .page-admin .pagination-info {
        font-size: 0.8rem; color: var(--text-dim);
    }

    .page-admin .pagination-btns {
        display: flex; gap: 4px;
    }

    .page-admin .pagination-btns button {
        padding: 6px 12px; border-radius: 6px;
        border: 1px solid var(--border); background: var(--dark-surface);
        color: var(--text-muted); font-size: 0.8rem;
        cursor: pointer; transition: all 0.2s; font-family: inherit;
    }

    .page-admin .pagination-btns button:hover:not(:disabled) {
        border-color: var(--primary-light); color: var(--text);
    }

    .page-admin .pagination-btns button.active {
        background: var(--primary); border-color: var(--primary);
        color: #fff;
    }

    .page-admin .pagination-btns button:disabled {
        opacity: 0.4; cursor: not-allowed;
    }

    /* ═══════ MODAL ═══════ */
    .page-admin .modal-overlay {
        display: none; position: fixed; inset: 0;
        background: rgba(0,0,0,0.6); z-index: 1000;
        justify-content: center; align-items: center;
    }

    .page-admin .modal-overlay.visible { display: flex; }

    .page-admin .modal {
        background: var(--dark-card);
        border: 1px solid var(--border);
        border-radius: 16px;
        width: 480px; max-height: 80vh;
        overflow-y: auto;
        padding: 2rem;
        box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    }

    .page-admin .modal h2 {
        font-size: 1.1rem; margin-bottom: 1.5rem;
    }

    .page-admin .modal-field {
        margin-bottom: 1rem;
    }

    .page-admin .modal-field label {
        display: block; font-size: 0.7rem;
        text-transform: uppercase; letter-spacing: 0.5px;
        color: var(--text-dim); font-weight: 600;
        margin-bottom: 4px;
    }

    .page-admin .modal-field .value {
        font-size: 0.9rem; color: var(--text);
        padding: 0.5rem 0;
    }

    .page-admin .modal-actions {
        display: flex; gap: 8px; margin-top: 1.5rem;
        justify-content: flex-end;
    }

    .page-admin .btn {
        padding: 0.5rem 1.25rem; border-radius: 8px;
        font-size: 0.85rem; font-weight: 600;
        border: none; cursor: pointer; font-family: inherit;
        transition: all 0.2s;
    }

    .page-admin .btn-secondary {
        background: var(--dark-surface); color: var(--text-muted);
        border: 1px solid var(--border);
    }
    .page-admin .btn-secondary:hover { border-color: var(--text-muted); color: var(--text); }

    .page-admin .btn-primary {
        background: var(--primary); color: #fff;
    }
    .page-admin .btn-primary:hover { background: var(--primary-dark); }

    .page-admin .btn-danger {
        background: rgba(255,86,48,0.15); color: var(--error);
        border: 1px solid rgba(255,86,48,0.3);
    }
    .page-admin .btn-danger:hover { background: rgba(255,86,48,0.25); }

    /* ═══════ LOGIN OVERLAY ═══════ */
    .page-admin .login-overlay {
        position: fixed; inset: 0;
        background: var(--dark);
        display: flex; align-items: center; justify-content: center;
        z-index: 2000;
    }

    .page-admin .login-overlay.hidden { display: none; }

    .page-admin .login-card {
        background: var(--dark-card);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 2.5rem;
        width: 400px;
        text-align: center;
    }

    .page-admin .login-card .login-logo {
        width: 56px; height: 56px; border-radius: 14px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        display: flex; align-items: center; justify-content: center;
        font-size: 1rem; font-weight: 800; color: #fff;
        margin: 0 auto 1.5rem;
    }

    .page-admin .login-card h2 {
        font-size: 1.25rem; margin-bottom: 0.5rem;
    }

    .page-admin .login-card p {
        font-size: 0.85rem; color: var(--text-muted);
        margin-bottom: 1.5rem;
    }

    .page-admin .login-card .form-group {
        text-align: left; margin-bottom: 1rem;
    }

    .page-admin .login-card label {
        display: block; font-size: 0.8rem; font-weight: 500;
        color: var(--text-muted); margin-bottom: 4px;
    }

    .page-admin .login-card input {
        width: 100%; padding: 0.65rem 0.75rem;
        background: var(--dark-surface);
        border: 1px solid var(--border);
        border-radius: 8px; color: var(--text);
        font-size: 0.9rem; outline: none;
        font-family: inherit;
        transition: border-color 0.2s;
    }

    .page-admin .login-card input:focus { border-color: var(--primary-light); }

    .page-admin .login-card .login-btn {
        width: 100%; padding: 0.75rem;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        border: none; border-radius: 8px;
        color: #fff; font-size: 0.9rem; font-weight: 600;
        cursor: pointer; margin-top: 0.5rem;
        font-family: inherit; transition: opacity 0.2s;
    }

    .page-admin .login-card .login-btn:hover { opacity: 0.9; }

    .page-admin .login-error {
        color: var(--error); font-size: 0.8rem;
        margin-top: 0.75rem; display: none;
    }

    /* ═══════ RESPONSIVE ═══════ */
    @media (max-width: 1100px) {
        .page-admin .stats-row { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
        .page-admin .sidebar { display: none; }
        .page-admin .stats-row { grid-template-columns: 1fr; }
    }

    /* Scrollbar */
    .page-admin ::-webkit-scrollbar { width: 6px; }
    .page-admin ::-webkit-scrollbar-track { background: transparent; }
    .page-admin ::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
    .page-admin ::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ══════════════════════════════════════
   BUSINESS CABINET
   ══════════════════════════════════════ */

/* ── Top bar ── */
.page-business .topbar {
    background: var(--dark-card);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 2rem;
    display: flex; align-items: center; justify-content: space-between;
}
.page-business .topbar-left { display: flex; align-items: center; gap: 16px; }
.page-business .topbar-logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--text); font-weight: 700; font-size: 1rem;
}
.page-business .topbar-logo .logo-icon {
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-size: 0.65rem; font-weight: 800; color: #fff;
}
.page-business .topbar-badge {
    padding: 3px 10px; border-radius: 6px; font-size: 0.7rem; font-weight: 600;
    background: rgba(0,184,217,0.12); color: var(--accent);
}
.page-business .topbar-right { display: flex; align-items: center; gap: 12px; }
.page-business .topbar-link {
    color: var(--text-muted); text-decoration: none; font-size: 0.85rem; font-weight: 500;
    padding: 6px 12px; border-radius: 8px; transition: all 0.15s;
}
.page-business .topbar-link:hover { color: var(--text); background: var(--dark-hover); }
.page-business .topbar-user {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.85rem; font-weight: 500;
}
.page-business .topbar-avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: linear-gradient(135deg, #6554C0, var(--primary-light));
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; font-weight: 600; color: #fff;
}

/* ── Layout ── */
.page-business .layout { display: flex; min-height: calc(100vh - 52px); }

.page-business .sidebar-nav {
    width: 240px; min-width: 240px;
    background: var(--dark-card);
    border-right: 1px solid var(--border);
    padding: 1rem 0;
}
.page-business .nav-section-label {
    padding: 0.5rem 1.25rem; font-size: 0.65rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-dim);
}
.page-business .nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 1.25rem; cursor: pointer; transition: all 0.15s;
    font-size: 0.85rem; color: var(--text-muted);
    border: none; background: none; width: 100%; text-align: left;
    font-family: inherit; position: relative;
}
.page-business .nav-item:hover { background: var(--dark-hover); color: var(--text); }
.page-business .nav-item.active {
    background: rgba(76,154,255,0.08); color: var(--primary-light);
}
.page-business .nav-item.active::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 20px; border-radius: 0 3px 3px 0;
    background: var(--primary-light);
}
.page-business .nav-item .nav-icon { width: 18px; text-align: center; font-size: 0.9rem; flex-shrink: 0; }
.page-business .nav-item .nav-badge {
    margin-left: auto; padding: 1px 7px; border-radius: 10px;
    font-size: 0.65rem; font-weight: 700;
    background: rgba(76,154,255,0.15); color: var(--primary-light);
}

/* Org selector */
.page-business .org-selector {
    margin: 0 1rem 1rem; padding: 10px 12px; border-radius: 10px;
    border: 1px solid var(--border); background: var(--dark-surface);
    cursor: pointer; transition: all 0.15s;
}
.page-business .org-selector:hover { border-color: var(--primary-light); }
.page-business .org-selector .org-name { font-size: 0.85rem; font-weight: 600; }
.page-business .org-selector .org-plan { font-size: 0.7rem; color: var(--accent); }

/* ── Main content ── */
.page-business .main-content { flex: 1; padding: 2rem; overflow-y: auto; max-height: calc(100vh - 52px); }
.page-business .main-content::-webkit-scrollbar { width: 6px; }
.page-business .main-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.page-business .page-header { margin-bottom: 1.75rem; }
.page-business .page-header h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.page-business .page-header p { font-size: 0.88rem; color: var(--text-muted); }

.page-business .section { display: none; }
.page-business .section.active { display: block; }

/* ── Cards & Tables ── */
.page-business .card {
    background: var(--dark-card); border: 1px solid var(--border);
    border-radius: 14px; padding: 1.5rem; margin-bottom: 1.25rem;
}
.page-business .card-title {
    font-size: 0.95rem; font-weight: 700; margin-bottom: 1rem;
    display: flex; align-items: center; justify-content: space-between;
}

.page-business .stat-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px; margin-bottom: 1.5rem;
}
.page-business .stat-card {
    background: var(--dark-surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 1.25rem;
}
.page-business .stat-card .stat-label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.page-business .stat-card .stat-value { font-size: 1.6rem; font-weight: 800; margin-top: 4px; }
.page-business .stat-card .stat-value.accent { color: var(--primary-light); }

.page-business table {
    width: 100%; border-collapse: collapse; font-size: 0.85rem;
}
.page-business th {
    text-align: left; padding: 10px 12px; font-weight: 600;
    color: var(--text-dim); font-size: 0.72rem; text-transform: uppercase;
    letter-spacing: 0.5px; border-bottom: 1px solid var(--border);
}
.page-business td {
    padding: 12px; border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.page-business tr:hover td { background: rgba(76,154,255,0.02); }

.page-business .badge {
    display: inline-block; padding: 3px 10px; border-radius: 6px;
    font-size: 0.72rem; font-weight: 600;
}
.page-business .badge-admin { background: rgba(76,154,255,0.12); color: var(--primary-light); }
.page-business .badge-employee { background: rgba(0,184,217,0.12); color: var(--accent); }
.page-business .badge-active { background: rgba(54,179,126,0.12); color: var(--success); }
.page-business .badge-pending { background: rgba(255,171,0,0.12); color: var(--warning); }
.page-business .badge-paid { background: rgba(54,179,126,0.12); color: var(--success); }
.page-business .badge-draft { background: rgba(136,153,176,0.15); color: var(--text-muted); }

/* ── Forms ── */
.page-business .form-group { margin-bottom: 1rem; }
.page-business .form-group label {
    display: block; font-size: 0.72rem; font-weight: 600;
    color: var(--text-dim); text-transform: uppercase;
    letter-spacing: 0.5px; margin-bottom: 6px;
}
.page-business .form-group input, .page-business .form-group select, .page-business .form-group textarea {
    width: 100%; padding: 0.6rem 0.75rem;
    background: var(--dark-surface); border: 1px solid var(--border);
    border-radius: 8px; color: var(--text); font-size: 0.88rem;
    outline: none; font-family: inherit; transition: border-color 0.2s;
}
.page-business .form-group input:focus, .page-business .form-group select:focus, .page-business .form-group textarea:focus {
    border-color: var(--primary-light);
}
.page-business .form-group textarea { resize: vertical; min-height: 80px; }
.page-business .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.page-business .btn {
    padding: 0.6rem 1.25rem; border-radius: 8px; font-size: 0.85rem;
    font-weight: 600; border: none; cursor: pointer; font-family: inherit;
    transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px;
}
.page-business .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
}
.page-business .btn-primary:hover { opacity: 0.9; }
.page-business .btn-secondary {
    background: var(--dark-surface); color: var(--text-muted);
    border: 1px solid var(--border);
}
.page-business .btn-secondary:hover { border-color: var(--text-muted); color: var(--text); }
.page-business .btn-danger {
    background: rgba(255,86,48,0.1); color: var(--error);
    border: 1px solid rgba(255,86,48,0.2);
}
.page-business .btn-sm { padding: 5px 12px; font-size: 0.78rem; }

.page-business .status-msg { font-size: 0.8rem; margin-top: 0.75rem; min-height: 20px; }
.page-business .status-msg.success { color: var(--success); }
.page-business .status-msg.error { color: var(--error); }

/* ── Modal ── */
.page-business .modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.6); z-index: 500;
    align-items: center; justify-content: center;
}
.page-business .modal-overlay.visible { display: flex; }
.page-business .modal {
    background: var(--dark-card); border: 1px solid var(--border-light);
    border-radius: 16px; width: 480px; max-width: 92vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5); overflow: hidden;
}
.page-business .modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
}
.page-business .modal-header h3 { font-size: 1rem; font-weight: 700; }
.page-business .modal-close {
    border: none; background: none; color: var(--text-muted);
    cursor: pointer; font-size: 1.2rem; padding: 4px 8px;
    border-radius: 6px;
}
.page-business .modal-body { padding: 1.5rem; }
.page-business .modal-footer {
    display: flex; gap: 8px; justify-content: flex-end;
    padding: 1rem 1.25rem; border-top: 1px solid var(--border);
}

/* ── DocuSign-like contract area ── */
.page-business .contract-preview {
    background: var(--dark-surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 1.5rem; margin-bottom: 1rem;
    max-height: 350px; overflow-y: auto; font-size: 0.82rem;
    line-height: 1.7; color: var(--text-muted);
}
.page-business .contract-preview h4 { color: var(--text); margin-bottom: 0.5rem; font-size: 0.95rem; }
.page-business .contract-preview p { margin-bottom: 0.75rem; }
.page-business .signature-pad {
    border: 2px dashed var(--border-light); border-radius: 12px;
    padding: 1.5rem; text-align: center; cursor: pointer; transition: all 0.2s;
}
.page-business .signature-pad:hover { border-color: var(--primary-light); }
.page-business .signature-pad.signed {
    border-color: var(--success); background: rgba(54,179,126,0.05);
}
.page-business .signature-pad .sig-text {
    font-family: 'Georgia', serif; font-size: 1.5rem; font-style: italic;
    color: var(--primary-light);
}

/* ── Consumption bar ── */
.page-business .usage-bar-wrap { margin-bottom: 1rem; }
.page-business .usage-bar-header { display: flex; justify-content: space-between; font-size: 0.8rem; margin-bottom: 4px; }
.page-business .usage-bar-header .usage-name { color: var(--text-muted); }
.page-business .usage-bar-header .usage-val { font-weight: 600; }
.page-business .usage-bar { height: 8px; background: var(--dark-surface); border-radius: 4px; overflow: hidden; }
.page-business .usage-bar-fill { height: 100%; border-radius: 4px; transition: width 0.4s; }

/* ── Payment card ── */
.page-business .payment-card-display {
    background: linear-gradient(135deg, #1a2744, #0d1b33);
    border: 1px solid var(--border-light); border-radius: 14px;
    padding: 1.25rem 1.5rem; position: relative; overflow: hidden;
}
.page-business .payment-card-display::before {
    content: ''; position: absolute; top: -30px; right: -30px;
    width: 100px; height: 100px; border-radius: 50%;
    background: rgba(76,154,255,0.06);
}
.page-business .payment-card-number {
    font-family: 'Fira Code', monospace; font-size: 1rem;
    font-weight: 600; letter-spacing: 2px; margin: 0.75rem 0;
}
.page-business .payment-card-bottom {
    display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-muted);
}
.page-business .payment-card-bottom .val { font-weight: 600; color: var(--text); font-size: 0.82rem; }

@media (max-width: 768px) {
    .page-business .sidebar-nav { display: none; }
    .page-business .topbar { padding: 0.75rem 1rem; }
    .page-business .main-content { padding: 1rem; }
    .page-business .form-row { grid-template-columns: 1fr; }
    .page-business .stat-grid { grid-template-columns: 1fr 1fr; }
}