:root {
    --bg: #0a0a0f;
    --bg2: #12121a;
    --bg3: #1a1a2e;
    --border: #2a2a3e;
    --text: #e0e0e0;
    --text2: #8888aa;
    --primary: #6c5ce7;
    --primary-hover: #7c6cf7;
    --green: #00cec9;
    --red: #ff6b6b;
    --yellow: #feca57;
    --radius: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navbar */
.navbar {
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navbar .logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}
.navbar .logo span { color: var(--green); }
.navbar nav { display: flex; gap: 24px; align-items: center; }
.navbar nav a { color: var(--text2); font-size: 14px; transition: color 0.2s; }
.navbar nav a:hover { color: var(--text); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-danger { background: var(--red); color: white; }
.btn-danger:hover { opacity: 0.9; }

/* Hero */
.hero {
    padding: 100px 0 80px;
    text-align: center;
}
.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p {
    font-size: 18px;
    color: var(--text2);
    max-width: 600px;
    margin: 0 auto 40px;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; }

/* Features */
.features {
    padding: 80px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.3s;
}
.feature-card:hover { border-color: var(--primary); }
.feature-card .icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
    background: var(--bg3);
}
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { color: var(--text2); font-size: 14px; }

/* Code block */
.code-section { padding: 60px 0; }
.code-block {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.code-header {
    background: var(--bg3);
    padding: 12px 20px;
    font-size: 13px;
    color: var(--text2);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.code-header .copy-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text2);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
}
.code-header .copy-btn:hover { color: var(--text); border-color: var(--text2); }
.code-block pre {
    padding: 20px;
    overflow-x: auto;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 13px;
    line-height: 1.7;
    color: var(--text);
}
.code-block .kw { color: #c792ea; }
.code-block .str { color: #c3e88d; }
.code-block .cm { color: #546e7a; }
.code-block .num { color: #f78c6c; }
.code-block .fn { color: #82aaff; }

/* Pricing */
.pricing { padding: 80px 0; text-align: center; }
.pricing h2 { font-size: 36px; margin-bottom: 40px; }
.pricing-cards { display: flex; gap: 24px; justify-content: center; }
.pricing-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 320px;
    text-align: left;
}
.pricing-card.popular { border-color: var(--primary); position: relative; }
.pricing-card .price { font-size: 36px; font-weight: 800; margin: 16px 0; }
.pricing-card .price span { font-size: 14px; color: var(--text2); font-weight: 400; }
.pricing-card ul { list-style: none; margin: 24px 0; }
.pricing-card ul li { padding: 8px 0; color: var(--text2); font-size: 14px; }
.pricing-card ul li::before { content: "✓ "; color: var(--green); font-weight: bold; }

/* Stats banner */
.stats-banner {
    padding: 60px 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.stat-item .number { font-size: 36px; font-weight: 800; color: var(--primary); }
.stat-item .label { font-size: 14px; color: var(--text2); margin-top: 4px; }

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    color: var(--text2);
    font-size: 13px;
}

/* Forms */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}
.auth-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    width: 100%;
    max-width: 420px;
}
.auth-card h2 { text-align: center; margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 6px; }
.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--primary); }
.form-error { color: var(--red); font-size: 13px; margin-top: 6px; display: none; }
.auth-card .btn { width: 100%; justify-content: center; margin-top: 8px; }
.auth-card .alt-link { text-align: center; margin-top: 20px; font-size: 13px; color: var(--text2); }

/* Dashboard */
.dash-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}
.dash-sidebar {
    background: var(--bg2);
    border-right: 1px solid var(--border);
    padding: 24px;
}
.dash-sidebar .logo { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 32px; }
.dash-sidebar .logo span { color: var(--green); }
.dash-sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.dash-sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text2);
    font-size: 14px;
    transition: all 0.2s;
}
.dash-sidebar nav a:hover, .dash-sidebar nav a.active {
    background: var(--bg3);
    color: var(--text);
}
.dash-main { padding: 32px; }
.dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}
.dash-header h1 { font-size: 24px; }
.dash-header .user-info { display: flex; align-items: center; gap: 12px; }
.dash-header .balance-badge {
    background: var(--bg3);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--green);
}

/* Stat cards */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.stat-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.stat-card .label { font-size: 13px; color: var(--text2); margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .sub { font-size: 12px; color: var(--text2); margin-top: 4px; }

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.data-table th {
    background: var(--bg3);
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text2);
    font-weight: 600;
}
.data-table td {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    font-size: 13px;
}
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: rgba(0,206,201,0.15); color: var(--green); }
.badge-fail { background: rgba(255,107,107,0.15); color: var(--red); }

/* API key display */
.api-key-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 12px;
}
.api-key-box code {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--green);
    word-break: break-all;
}
.api-key-box .key-name { font-size: 12px; color: var(--text2); min-width: 80px; }

/* Sections */
.section-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}
.section-card h3 { font-size: 16px; margin-bottom: 16px; }

/* Tabs */
.tabs { display: flex; gap: 0; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.tab {
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text2);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 14px;
    z-index: 1000;
    display: none;
    animation: slideIn 0.3s ease;
}
.toast.show { display: block; }
@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .features { grid-template-columns: 1fr; }
    .stats-banner { grid-template-columns: repeat(2, 1fr); }
    .stat-cards { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 32px; }
    .dash-layout { grid-template-columns: 1fr; }
    .dash-sidebar { display: none; }
    .pricing-cards { flex-direction: column; align-items: center; }
}