:root {
    --bg: #0d1117;
    --surface: #161b22;
    --surface-2: #1f2937;
    --text: #e6edf3;
    --muted: #8b949e;
    --primary: #c8943b;
    --primary-strong: #c8943b;
    --border: #30363d;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    --glow: inset 0 1px 0 rgba(255,255,255,0.03), 0 0 0 1px rgba(155, 107, 255, 0.04);
    --radius: 8px;
    --link: #4a4a4a;
    --font: Inter, system-ui, sans-serif;
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
    font-family: var(--font);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(200, 148, 59, 0.18), transparent 28%),
        linear-gradient(180deg, #0b1020 0%, #0d1117 50%, #111827 100%);
}

a { color: inherit; text-decoration: none; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.button.primary { background: var(--primary); color: #111827; font-weight: 700; box-shadow: var(--glow); }
.button.secondary { background: rgba(255,255,255,0.04); color: var(--text); }

.button:hover { transform: translateY(-1px); background: var(--primary-strong); }

.site-shell, .auth-shell {
    display: grid;
    place-items: center;
    padding: 24px;
}

.hero-landing {
    width: min(1080px, 100%);
}

.hero-card, .auth-card, .panel, .stat-card, .sidebar, .topbar {
    background: rgba(22, 27, 34, 0.88);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.hero-card, .auth-card, .panel {
    border-radius: var(--radius);
    padding: 32px;
}

.eyebrow {
    color: var(--primary-strong);
    letter-spacing: .18em;
    text-transform: uppercase;
    font-size: .78rem;
    font-weight: 700;
}

.hero-card h1, .auth-card h1, .topbar h1, .panel h2 {
    margin: 0;
    line-height: 1.05;
}

.hero-card h1 { font-size: clamp(2.4rem, 6vw, 4.8rem); max-width: 12ch; }

.hero-card p, .auth-card p, .panel p { color: var(--muted); max-width: 68ch; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0; }

.hero-highlights {
    display: flex; gap: 12px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0;
}

.hero-highlights li {
    padding: 10px 14px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
}

.auth-card {
    width: min(520px, 100%);
}

.auth-card form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.auth-card label {
    display: grid;
    gap: 8px;
    color: var(--muted);
}

.auth-card input {
    min-height: 48px;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text);
    transition: var(--transition);
}

.auth-card input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(200, 148, 59, 0.15);
}

.dashboard-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }

.sidebar { margin: 24px 0 24px 24px; border-radius: var(--radius); padding: 24px; box-shadow: var(--glow); }

.sidebar-brand { font-size: 1.5rem; font-weight: 800; margin-bottom: 24px; }

.sidebar nav { display: grid; gap: 10px; }

.sidebar nav a { padding: 12px 14px; border-radius: var(--radius); color: var(--muted); transition: var(--transition); }
.sidebar nav a:hover { background: rgba(155, 107, 255, 0.12); color: #9b6bff; }

.dashboard-content { padding: 24px 24px 24px 0; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 24px;
    box-shadow: var(--glow);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    min-height: 120px;
    border-radius: var(--radius);
    padding: 18px;
    display: grid;
    align-items: end;
    color: var(--text);
    font-weight: 700;
    box-shadow: var(--glow);
}

@media (max-width: 980px) {
    .dashboard-shell { grid-template-columns: 1fr; }
    .sidebar { margin: 16px; }
    .dashboard-content { padding: 0 16px 16px; }
    .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .hero-card, .auth-card, .panel, .topbar, .sidebar { padding: 20px; }
    .cards-grid { grid-template-columns: 1fr; }
}