/* CapJet.io — Dark Hi-Tech Theme */
/* "Vercel meets Cyberpunk" */

:root {
    /* Backgrounds */
    --bg-deep: #0A0E1A;
    --bg-surface: #111827;
    --bg-elevated: #1A2235;
    --border-subtle: #1E2A3A;
    --border-accent: rgba(56, 189, 248, 0.15);

    /* Text */
    --text-primary: #F0F4F8;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Accents */
    --accent-cyan: #38BDF8;
    --accent-violet: #A78BFA;
    --accent-magenta: #F472B6;

    /* Status */
    --success: #34D399;
    --warning: #FBBF24;
    --error: #F87171;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #38BDF8 0%, #A78BFA 50%, #F472B6 100%);
    --gradient-glow: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(56, 189, 248, 0.15), transparent);

    /* Fonts */
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

    /* Spacing */
    --container-max: 1200px;
    --radius: 12px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-violet);
}

/* ── Header ────────────────────────────────────── */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo:hover { color: var(--text-primary); }

.logo-icon {
    font-size: 1.5rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-dot {
    color: var(--accent-cyan);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--text-primary);
}

.nav-link-muted {
    color: var(--text-muted) !important;
}

/* ── Buttons ───────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s, background 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--bg-deep);
}

.btn-primary:hover {
    box-shadow:
        0 0 20px rgba(56, 189, 248, 0.3),
        0 0 60px rgba(167, 139, 250, 0.15);
}

.btn-accent {
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.btn-accent:hover {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-cyan);
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

.btn-full {
    width: 100%;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-danger {
    background: transparent;
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.3);
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
}

.btn-danger:hover {
    background: rgba(248, 113, 113, 0.1);
}

/* ── Glass Card ────────────────────────────────── */

.glass-card {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(56, 189, 248, 0.1);
    border-radius: var(--radius-lg);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.03),
        0 4px 24px rgba(0, 0, 0, 0.3);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(56, 189, 248, 0.25);
}

/* ── Auth Pages ────────────────────────────────── */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 64px - 80px);
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    font-family: var(--font-display);
    font-size: 0.95rem;
    padding: 0.7rem 1rem;
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ── Alerts ────────────────────────────────────── */

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.alert-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: var(--error);
}

.alert-success {
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: var(--success);
}

/* ── Footer ────────────────────────────────────── */

.site-footer {
    border-top: 1px solid var(--border-subtle);
    margin-top: 4rem;
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-brand {
    font-weight: 600;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--text-secondary);
}

/* ── Responsive ────────────────────────────────── */

@media (max-width: 768px) {
    .header-inner {
        padding: 0 1rem;
    }

    .header-nav {
        gap: 0.75rem;
    }

    .header-nav a:not(.btn) {
        display: none;
    }

    .footer-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}