/* shared.css - Common styles for all static pages
   Uses the same dark theme variables as the SPA (static/app/style.css) */

:root {
    --bg: #1a1a2e;
    --bg2: #16213e;
    --bg3: #0f3460;
    --accent: #e94560;
    --accent-hover: #d63550;
    --text: #e0e0e0;
    --text-dim: #888;
    --green: #4caf50;
    --orange: #ff9800;
    --blue: #64b5f6;
    --purple: #ba68c8;
    --cyan: #4dd0e1;
    --radius: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

/* === Base === */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

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

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* === Navbar (SSI header) === */
.site-nav {
    background: var(--bg2);
    border-bottom: 2px solid var(--bg3);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-nav .nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.site-nav .nav-brand img {
    height: 32px;
}

.site-nav .nav-brand span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
}

.site-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.site-nav .nav-links a {
    color: var(--text-dim);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    text-decoration: none;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a.active {
    color: var(--text);
    border-bottom-color: var(--accent);
    text-decoration: none;
}

.nav-cta {
    background: var(--accent);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    border-bottom: none !important;
    transition: background 0.2s !important;
}

.nav-cta:hover {
    background: var(--accent-hover);
    color: #fff !important;
    text-decoration: none !important;
}

/* === Footer (SSI footer) === */
.site-footer {
    background: var(--bg2);
    border-top: 2px solid var(--bg3);
    padding: 32px 24px 20px;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-section h4 {
    color: var(--text);
    margin-bottom: 12px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section a {
    color: var(--text-dim);
    display: block;
    padding: 3px 0;
    font-size: 0.85rem;
}

.footer-section a:hover {
    color: var(--text);
    text-decoration: none;
}

.footer-bottom {
    max-width: 1200px;
    margin: 20px auto 0;
    padding-top: 16px;
    border-top: 1px solid var(--bg3);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}

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

/* === Page Content === */
.page-content {
    flex: 1;
    padding: 40px 24px;
}

.page-content .container {
    padding: 0;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.4);
}

.btn-secondary {
    background: var(--bg3);
    color: var(--text);
    border: 1px solid var(--bg3);
}

.btn-secondary:hover {
    background: var(--bg2);
    border-color: var(--accent);
    color: var(--text);
    text-decoration: none;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.15rem;
}

/* === Cards === */
.card {
    background: var(--bg2);
    border: 1px solid var(--bg3);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

/* === Section headings === */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--text-dim);
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* === Utility === */
.text-accent { color: var(--accent); }
.text-dim { color: var(--text-dim); }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 40px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 40px; }

/* === Responsive === */
@media (max-width: 768px) {
    .site-nav {
        flex-direction: column;
        gap: 12px;
        padding: 12px 16px;
    }

    .site-nav .nav-links {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .page-content {
        padding: 24px 16px;
    }
}