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

:root {
    --bg: #1a1a2e;
    --bg-secondary: #16213e;
    --card-bg: #0f3460;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --text: #eaeaea;
    --text-muted: #a0a0b0;
    --border: #2a2a4a;
    --white-bg: #f5f5f5;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', 'Noto Sans HK', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ========== Header ========== */
.site-header {
    background: var(--bg-secondary);
    border-bottom: 3px solid var(--accent);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: baseline;
    gap: 16px;
}
.logo {
    font-size: 28px;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: 3px;
}
.subtitle {
    font-size: 14px;
    color: var(--text-muted);
}

/* ========== Series Nav ========== */
.series-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}
.series-nav ul {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    list-style: none;
    gap: 4px;
    overflow-x: auto;
}
.series-nav a {
    display: block;
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}
.series-nav a:hover,
.series-nav a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ========== Hero ========== */
.hero {
    text-align: center;
    padding: 60px 24px 40px;
}
.hero h1 {
    font-size: 36px;
    font-weight: 900;
    letter-spacing: 8px;
    margin-bottom: 12px;
}
.hero p {
    color: var(--text-muted);
    font-size: 16px;
}

/* ========== Series Grid (Home) ========== */
.series-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 60px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.series-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.2s, border-color 0.2s;
}
.series-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}
.series-card-img.placeholder {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 900;
    color: rgba(255,255,255,0.15);
    background: var(--card-bg);
}
.pg-bg { background: linear-gradient(135deg, #c0392b, #e74c3c) !important; }
.mg-bg { background: linear-gradient(135deg, #2471a3, #2e86c1) !important; }
.rg-bg { background: linear-gradient(135deg, #1e8449, #27ae60) !important; }
.hg-bg { background: linear-gradient(135deg, #b9770e, #f39c12) !important; }
.sd-bg { background: linear-gradient(135deg, #7d3c98, #a569bd) !important; }
.re100-bg { background: linear-gradient(135deg, #117a65, #1abc9c) !important; }
.fm-bg { background: linear-gradient(135deg, #626567, #808b96) !important; }
.mega-bg { background: linear-gradient(135deg, #935116, #dc7633) !important; }
.lego-bg { background: linear-gradient(135deg, #d32f2f, #fdd835) !important; }
.china-bg { background: linear-gradient(135deg, #4a148c, #e91e63) !important; }

.series-card-info {
    padding: 20px;
}
.series-card-info h2 {
    font-size: 18px;
    margin-bottom: 4px;
}
.scale {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.btn {
    display: inline-block;
    padding: 8px 24px;
    background: var(--accent);
    color: #fff;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn-warning { background: #6c3483; }
.btn-warning:hover { background: #8e44ad; color: #fff; }
.nav-warning { color: #f39c12 !important; font-style: italic; }
.nav-warning:hover { color: #f1c40f !important; border-bottom-color: #f39c12 !important; }

/* Warning Banner */
.warning-banner {
    background: linear-gradient(135deg, #3e1a47, #4a148c);
    border: 1px solid #e91e63;
    border-radius: 6px;
    padding: 14px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #f5c6d0;
}
.warning-banner .warning-icon {
    font-size: 22px;
    flex-shrink: 0;
}
.warning-banner strong {
    color: #ffb74d;
}

/* ========== Series Page ========== */
.series-header {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px 16px;
    display: flex;
    align-items: baseline;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}
.series-header h1 {
    font-size: 28px;
    font-weight: 900;
}
.series-header .series-scale {
    font-size: 14px;
    color: var(--text-muted);
}
.series-header .series-count {
    margin-left: auto;
    font-size: 14px;
    color: var(--text-muted);
}

/* ========== Product Grid ========== */
.product-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 60px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}
.product-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}
.product-card-img {
    width: 100%;
    aspect-ratio: 1;
    background: var(--white-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 13px;
    overflow: hidden;
}
.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
}
.product-card-body {
    padding: 12px;
}
.product-card-body .product-no {
    font-size: 11px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 2px;
}
.product-card-body .product-name {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}
.product-card-body .product-name-jp {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.product-card-body .product-release {
    font-size: 11px;
    color: var(--text-muted);
}

/* ========== Product Detail Page ========== */
.product-detail {
    max-width: 1000px;
    margin: 0 auto;
    padding: 32px 24px 60px;
}
.back-link {
    display: inline-block;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--text-muted);
}
.back-link:hover { color: var(--accent); }
.product-info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 32px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.product-info-bar .info-item {
    font-size: 13px;
}
.product-info-bar .info-label {
    color: var(--text-muted);
    margin-right: 6px;
}
.product-info-bar .info-value {
    font-weight: 600;
}
.product-name-en {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Image Gallery */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}
.gallery-item {
    background: var(--white-bg);
    border-radius: 4px;
    overflow: hidden;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 13px;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}
.gallery-item.placeholder::after {
    content: "No Image";
    font-size: 14px;
}

/* ========== Footer ========== */
.site-footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 12px;
    border-top: 1px solid var(--border);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .series-nav ul { padding: 0 12px; gap: 0; }
    .series-nav a { padding: 10px 14px; font-size: 12px; }
    .hero h1 { font-size: 24px; letter-spacing: 4px; }
    .series-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
}