:root {
    --bg-primary: #0a0a14;
    --bg-secondary: #12101e;
    --bg-card: #1a1830;
    --bg-hover: #242050;
    --neon-purple: #b44aff;
    --neon-magenta: #ff2aff;
    --neon-cyan: #00e5ff;
    --neon-pink: #ff0066;
    --neon-green: #00ff88;
    --neon-orange: #ff8800;
    --neon-red: #ff0044;
    --text-primary: #e0d8f0;
    --text-secondary: #9888bb;
    --text-dim: #665588;
    --border-color: #2a2050;
    --glow-purple: 0 0 10px rgba(180,74,255,0.3), 0 0 30px rgba(180,74,255,0.1);
    --glow-magenta: 0 0 10px rgba(255,42,255,0.3), 0 0 30px rgba(255,42,255,0.1);
    --header-height: 64px;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--neon-purple); border-radius: 3px; box-shadow: var(--glow-purple); }

a { color: var(--neon-cyan); text-decoration: none; }
a:hover { text-shadow: 0 0 8px rgba(0,229,255,0.5); }

/* ===== HEADER ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0; height: var(--header-height);
    background: rgba(10,10,20,0.95); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; z-index: 1000;
}

.logo {
    font-size: 22px; font-weight: 800;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-magenta));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
    display: flex; align-items: center; gap: 10px;
}

.logo-icon {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-magenta));
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: #000; font-weight: 900;
}

.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a {
    color: var(--text-secondary); font-size: 14px; transition: all 0.3s;
    padding: 8px 12px; border-radius: 8px;
}
.nav-links a:hover { color: var(--neon-purple); background: var(--bg-hover); }

.btn {
    padding: 8px 20px; border-radius: 20px; font-size: 13px; font-weight: 600;
    border: none; cursor: pointer; transition: all 0.3s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-magenta));
    color: #000;
}
.btn-primary:hover { box-shadow: var(--glow-purple); transform: scale(1.03); }
.btn-outline {
    background: transparent; border: 1px solid var(--neon-purple); color: var(--neon-purple);
}
.btn-outline:hover { background: rgba(180,74,255,0.15); box-shadow: var(--glow-purple); }
.btn-danger { background: var(--neon-red); color: #fff; }
.btn-danger:hover { box-shadow: 0 0 15px rgba(255,0,68,0.4); }

/* ===== MAIN LAYOUT ===== */
.main-content { padding-top: calc(var(--header-height) + 20px); padding-bottom: 60px; min-height: 100vh; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== HERO ===== */
.hero {
    text-align: center; padding: 60px 20px 40px;
    position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(180,74,255,0.08), transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(255,42,255,0.06), transparent 50%);
    pointer-events: none;
}
.hero h1 { font-size: 48px; font-weight: 800; margin-bottom: 12px; }
.hero h1 span { background: linear-gradient(135deg, var(--neon-purple), var(--neon-magenta), var(--neon-cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { color: var(--text-secondary); font-size: 18px; max-width: 600px; margin: 0 auto 30px; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== SECTION ===== */
.section-title {
    font-size: 22px; font-weight: 700; margin-bottom: 24px;
    display: flex; align-items: center; gap: 12px;
}
.section-title .bar {
    width: 4px; height: 24px; background: linear-gradient(var(--neon-purple), var(--neon-magenta));
    border-radius: 2px;
}

/* ===== MODELS GRID ===== */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 40px;
}

.model-card {
    background: var(--bg-card); border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px; transition: all 0.3s; cursor: default;
}
.model-card:hover {
    border-color: var(--neon-purple); transform: translateY(-2px);
    box-shadow: var(--glow-purple);
}
.model-badge {
    display: inline-block; padding: 4px 12px; border-radius: 12px;
    font-size: 11px; font-weight: 600; margin-bottom: 8px;
}
.model-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.model-provider { font-size: 12px; color: var(--text-dim); margin-bottom: 8px; }
.model-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.4; }

/* ===== CODE EXAMPLES ===== */
.code-tabs {
    display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px;
}
.code-tab {
    padding: 8px 20px; border-radius: 20px; background: var(--bg-card);
    border: 1px solid var(--border-color); color: var(--text-secondary);
    cursor: pointer; font-size: 14px; transition: all 0.3s; white-space: nowrap;
}
.code-tab:hover { border-color: var(--neon-purple); color: var(--neon-purple); }
.code-tab.active { background: linear-gradient(135deg, var(--neon-purple), var(--neon-magenta));
    color: #000; font-weight: 600; border-color: transparent; }

.code-block {
    background: #0a0815; border-radius: 12px; padding: 28px;
    border: 1px solid var(--border-color); overflow-x: auto;
    position: relative;
    font-size: 16px;
    line-height: 1.8;
}
.code-block pre {
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 13px; line-height: 1.6; color: var(--text-primary);
}
.copy-btn {
    position: absolute; top: 12px; right: 12px;
    padding: 4px 12px; border-radius: 8px; background: var(--bg-hover);
    border: 1px solid var(--border-color); color: var(--text-secondary);
    cursor: pointer; font-size: 11px; transition: all 0.3s;
}
.copy-btn:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); }

/* ===== FORMS ===== */
.auth-form {
    max-width: 440px; margin: 40px auto;
    background: var(--bg-card); border-radius: 16px;
    border: 1px solid var(--border-color); padding: 36px 28px;
}
.auth-form h2 { font-size: 24px; margin-bottom: 6px; }
.auth-form .subtitle { color: var(--text-secondary); font-size: 14px; margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary); }
.form-input {
    width: 100%; padding: 12px 16px;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: 10px; color: var(--text-primary); font-size: 14px; outline: none;
    transition: all 0.3s;
}
.form-input:focus { border-color: var(--neon-purple); box-shadow: var(--glow-purple); }
.form-input::placeholder { color: var(--text-dim); }

.form-actions { margin-top: 24px; }
.form-actions .btn { width: 100%; padding: 12px; font-size: 15px; }

.auth-link { text-align: center; margin-top: 16px; color: var(--text-secondary); font-size: 13px; }

.alert {
    padding: 12px 16px; border-radius: 10px; margin-bottom: 16px;
    font-size: 13px;
}
.alert-error { background: rgba(255,0,68,0.12); border: 1px solid rgba(255,0,68,0.3); color: var(--neon-red); }
.alert-success { background: rgba(0,255,136,0.1); border: 1px solid rgba(0,255,136,0.3); color: var(--neon-green); }

/* ===== DASHBOARD ===== */
.dash-header {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 16px; margin-bottom: 24px;
}
.dash-header h1 { font-size: 24px; }
.dash-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--bg-card); border-radius: 12px; padding: 20px;
    border: 1px solid var(--border-color);
}
.stat-card .label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .value.purple { color: var(--neon-purple); }
.stat-card .value.cyan { color: var(--neon-cyan); }
.stat-card .value.green { color: var(--neon-green); }
.stat-card .value.pink { color: var(--neon-pink); }

.api-key-list { margin-top: 20px; }
.api-key-item {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 16px 20px; margin-bottom: 12px;
}
.api-key-item:hover { border-color: var(--neon-purple); }
.api-key-value {
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 12px; color: var(--neon-cyan);
    background: rgba(0,229,255,0.08); padding: 4px 12px;
    border-radius: 6px; border: 1px solid rgba(0,229,255,0.2);
}
.key-actions { display: flex; gap: 8px; }
.key-name { font-weight: 600; font-size: 14px; }
.key-meta { font-size: 12px; color: var(--text-dim); }

/* ===== ADMIN TABLE ===== */
.admin-table {
    width: 100%; border-collapse: collapse; margin-top: 16px;
}
.admin-table th {
    text-align: left; padding: 12px 16px; font-size: 12px;
    text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim);
    border-bottom: 1px solid var(--border-color);
}
.admin-table td {
    padding: 12px 16px; font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}
.admin-table tr:hover { background: var(--bg-hover); }
.admin-table .mono { font-family: 'Cascadia Code', monospace; font-size: 11px; color: var(--neon-cyan); }

/* Status Badges */
.st-badge { font-size: 12px; }
.st-active { color: var(--neon-green); }
.st-inactive { color: var(--text-dim); }
.st-limited { color: var(--neon-orange); }
.st-exhausted { color: var(--neon-red); }
.st-reserved { color: var(--neon-cyan); }

/* ===== MODAL ===== */
.modal-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); z-index: 2000;
    align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal-box {
    background: var(--bg-card); border-radius: 16px;
    border: 1px solid var(--neon-purple); padding: 28px;
    max-width: 480px; width: 90%; position: relative;
}
.modal-box h3 { font-size: 18px; margin-bottom: 16px; }
.modal-close {
    position: absolute; top: 12px; right: 16px;
    background: none; border: none; color: var(--text-dim);
    font-size: 22px; cursor: pointer;
}
.modal-close:hover { color: var(--neon-pink); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero h1 { font-size: 30px; }
    .hero p { font-size: 15px; }
    .models-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { gap: 8px; }
    .nav-links a { font-size: 12px; padding: 6px 10px; }
    .dash-grid { grid-template-columns: 1fr 1fr; }
    .admin-table { font-size: 12px; }
}
@media (max-width: 480px) {
    .container { padding: 0 12px; }
    .models-grid { grid-template-columns: 1fr; }
    .dash-grid { grid-template-columns: 1fr; }
    .header { padding: 0 12px; }
    .logo { font-size: 18px; }
    .hero h1 { font-size: 24px; }
}

/* ===== MODEL STATUS BAR ===== */
.model-status-bar {
    margin-top: 10px;
}
.model-status-track {
    display: flex;
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    background: rgba(255,255,255,0.05);
    margin-bottom: 6px;
}
.model-status-fill {
    height: 100%;
    transition: width 0.5s ease;
}
.msf-active { background: var(--neon-green); box-shadow: 0 0 6px rgba(0,255,136,0.4); }
.msf-limited { background: var(--neon-orange); box-shadow: 0 0 6px rgba(255,136,0,0.4); }
.msf-inactive { background: var(--text-dim); }

.model-status-labels {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
}
.msl-active { color: var(--neon-green); }
.msl-limited { color: var(--neon-orange); }