/* ========================================
   Testikuski.fi — Tumma automaailman teema
   ======================================== */

:root {
    --bg-dark: #0a0e1a;
    --bg-card: #111833;
    --bg-card-hover: #1a2347;
    --accent: #2a3990;
    --accent-hover: #3a4cb0;
    --accent-light: #4a5cc0;
    --highlight: #e63946;
    --text: #e8e8e8;
    --text-muted: #999;
    --text-heading: #ffffff;
    --border: #1e2a50;
    --radius: 10px;
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --transition: 0.25s ease;
    --container: 1200px;
}

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

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

main { flex: 1; }

a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: #6b7de0; }

img { max-width: 100%; height: auto; display: block; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ---- Header ---- */
.site-header {
    background: rgba(13, 13, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-heading);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.logo:hover { color: var(--accent); }

.logo-img {
    height: 45px;
    width: auto;
    display: block;
    border-radius: 6px;
    background: #fff;
    padding: 3px 8px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-nav a {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.nav-yt { display: flex; align-items: center; }
.nav-yt svg { transition: transform var(--transition); }
.nav-yt:hover svg { transform: scale(1.15); }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}
.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text);
    transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- Hero ---- */
.hero {
    text-align: center;
    padding: 5rem 1.25rem 4rem;
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-heading);
    margin-bottom: 1.5rem;
}

.hero-logo {
    max-width: 400px;
    height: auto;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius);
    background: #fff;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 30px rgba(42, 57, 144, 0.4);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 57, 144, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}
.btn-outline:hover {
    background: var(--accent);
    color: #fff;
}

.btn-yt {
    background: #c4302b;
    color: #fff;
}
.btn-yt:hover {
    background: #e63946;
    color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.btn-danger {
    background: #dc3545;
    color: #fff;
}
.btn-danger:hover { background: #c82333; color: #fff; }

/* ---- Sections ---- */
.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-heading);
    margin-bottom: 2rem;
    text-align: center;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

/* ---- Cards Grid ---- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.card-body .meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.card-body .excerpt {
    color: var(--text-muted);
    font-size: 0.95rem;
    flex: 1;
}

.card-category {
    display: inline-block;
    background: rgba(42, 57, 144, 0.2);
    color: var(--accent-light);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
}

/* ---- Single page ---- */
.page-header {
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-heading);
}

.page-header .meta {
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0 4rem;
    line-height: 1.8;
}

.page-content img {
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.page-content p { margin-bottom: 1rem; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}
.back-link:hover { color: var(--accent); }

/* ---- Video embed ---- */
.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius);
    margin-bottom: 2rem;
}

.video-embed iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border: none;
}

/* ---- YouTube CTA ---- */
.yt-cta {
    text-align: center;
    padding: 3rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin: 2rem 0;
}

.yt-cta h2 {
    color: var(--text-heading);
    margin-bottom: 0.75rem;
}

.yt-cta p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ---- About ---- */
.about-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 0 4rem;
}

.about-content h1 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-heading);
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

/* ---- 404 ---- */
.page-404 {
    text-align: center;
    padding: 6rem 1rem;
}

.page-404 h1 {
    font-size: 6rem;
    font-weight: 900;
    color: var(--accent);
}

.page-404 p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin: 1rem 0 2rem;
}

/* ---- Footer ---- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-inner p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-yt {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.footer-yt:hover { color: var(--accent); }

/* ---- Flash messages ---- */
.flash {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-weight: 500;
}
.flash-success { background: rgba(34,197,94,0.15); color: #22c55e; border: 1px solid rgba(34,197,94,0.3); }
.flash-error   { background: rgba(220,53,69,0.15); color: #dc3545; border: 1px solid rgba(220,53,69,0.3); }

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* ---- View all link ---- */
.view-all {
    text-align: center;
    margin-top: 2rem;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .hamburger { display: flex; }

    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(13, 13, 26, 0.98);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }

    .main-nav.open { display: flex; }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .hero { padding: 3rem 1rem 2.5rem; }
    .hero h1 { letter-spacing: 2px; }

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

@media (max-width: 400px) {
    .card-grid { grid-template-columns: 1fr; }
}

/* ---- Admin styles ---- */
.admin-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.25rem;
}

.admin-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-header .logo { font-size: 1.1rem; }

.admin-nav { display: flex; gap: 1.5rem; align-items: center; }
.admin-nav a { color: var(--text); font-size: 0.9rem; }
.admin-nav a:hover, .admin-nav a.active { color: var(--accent); }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.admin-table tr:hover { background: var(--bg-card-hover); }

.admin-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin: 1.5rem 0;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text);
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--bg-dark);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
}

.form-group textarea { min-height: 200px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 1.5rem;
}

.login-form {
    max-width: 400px;
    margin: 4rem auto;
}

.login-form h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-heading);
}

.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent);
}

.stat-card .label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-green { background: rgba(34,197,94,0.15); color: #22c55e; }
.badge-gray  { background: rgba(153,153,153,0.15); color: #999; }