/* ================================================================
   themes.css — 投資主題頁面樣式
   ================================================================ */

/* ── Page wrap ── */
.themes-page-wrap {
    min-height: 100vh;
    background: #f7f7f5;
}

/* ── Header ── */
.themes-header {
    padding-top: 28px;
    padding-bottom: 0;
    background: #f7f7f5;
}

.themes-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #aaa;
    margin-bottom: 20px;
}

.themes-breadcrumb-link {
    color: #aaa;
    text-decoration: none;
}

.themes-breadcrumb-link:hover { color: #666; }

.themes-breadcrumb-sep { color: #ccc; }

.themes-breadcrumb-cur { color: #555; font-weight: 500; }

.themes-title-row {
    margin-bottom: 20px;
}

.themes-page-title {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a1a;
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 0 0 8px;
}

.themes-count-badge {
    font-size: 13px;
    font-weight: 400;
    color: #999;
}

.themes-page-sub {
    font-size: 13px;
    color: #888;
    line-height: 1.7;
}

/* ── Tab Nav ── */
.themes-tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 1px solid #e8e8e8;
    margin-top: 4px;
}

.themes-tab {
    padding: 11px 20px;
    font-size: 13px;
    color: #888;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.themes-tab:hover { color: #444; }

.themes-tab.is-active {
    color: #C9A52A;
    border-bottom-color: #C9A52A;
    font-weight: 500;
}

/* ── Grid Shell ── */
.themes-grid-shell {
    padding-top: 24px;
    padding-bottom: 48px;
}

/* ── Empty state ── */
.themes-empty {
    text-align: center;
    padding: 80px 20px;
    color: #bbb;
    font-size: 13px;
}

/* ── Card shared ── */
.themes-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.themes-card-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.themes-card-cover-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 70%, #533483 100%);
}

/* ── YTD badge ── */
.themes-ytd-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(10, 10, 10, 0.82);
    border-radius: 6px;
    padding: 5px 10px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1px;
    backdrop-filter: blur(4px);
}

.themes-ytd-label {
    font-size: 9px;
    font-weight: 600;
    color: #aaa;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.themes-ytd-val {
    font-size: 14px;
    font-weight: 700;
    color: #4ade80;
    font-family: 'JetBrains Mono', monospace;
}

.themes-ytd-val.is-neg { color: #f87171; }

/* ── Image tags (overlay) ── */
.themes-img-tags {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.themes-img-tag {
    font-size: 10px;
    color: rgba(255,255,255,0.75);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    padding: 3px 8px;
    backdrop-filter: blur(4px);
}

/* ── Source badge ── */
.themes-source-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    color: #C9A52A;
    background: rgba(201, 165, 42, 0.1);
    border: 1px solid rgba(201, 165, 42, 0.25);
    border-radius: 4px;
    padding: 2px 8px;
    letter-spacing: 0.3px;
    margin-bottom: 10px;
}

/* ── Tag pills ── */
.themes-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 10px 0;
}

.themes-tag-pill {
    font-size: 11px;
    color: #555;
    background: #f0f0ee;
    border-radius: 4px;
    padding: 3px 10px;
}

/* ── Read link ── */
.themes-read-link {
    font-size: 12px;
    font-weight: 600;
    color: #C9A52A;
    display: inline-block;
    margin-top: 4px;
}

/* ================================================================
   Featured card (first / large)
   ================================================================ */
.themes-featured-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #ebebeb;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    margin-bottom: 24px;
}

.themes-featured-img {
    position: relative;
    aspect-ratio: 1.91 / 1;
    overflow: hidden;
    background: #1a1a2e;
}

.themes-featured-body {
    padding: 24px 28px 28px;
}

.themes-featured-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 12px;
    display: flex;
    align-items: baseline;
    gap: 12px;
    line-height: 1.3;
}

.themes-title-sub {
    font-size: 14px;
    font-weight: 400;
    color: #aaa;
}

.themes-featured-summary {
    font-size: 14px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 4px;
}

/* ================================================================
   Small cards grid (2nd+)
   ================================================================ */
.themes-small-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.themes-small-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #ebebeb;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s, transform 0.2s;
}

.themes-small-card:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.themes-featured-card:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.1);
}

.themes-small-img {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #1a1a2e;
}

.themes-img-tags-sm .themes-img-tag {
    font-size: 9px;
    padding: 2px 6px;
}

.themes-ytd-badge-sm {
    padding: 4px 8px;
}

.themes-ytd-badge-sm .themes-ytd-val {
    font-size: 12px;
}

.themes-small-body {
    padding: 16px 18px 20px;
}

.themes-small-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 8px;
    line-height: 1.35;
}

.themes-small-summary {
    font-size: 12px;
    color: #666;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}

/* ── Dark mode ── */
[data-theme="dark"] .themes-page-wrap { background: #111; }
[data-theme="dark"] .themes-header    { background: #111; }
[data-theme="dark"] .themes-page-title { color: #e8e8e8; }
[data-theme="dark"] .themes-page-sub  { color: #777; }
[data-theme="dark"] .themes-tab-nav   { border-bottom-color: #2a2a2a; }
[data-theme="dark"] .themes-tab       { color: #666; }
[data-theme="dark"] .themes-tab:hover { color: #aaa; }
[data-theme="dark"] .themes-featured-card,
[data-theme="dark"] .themes-small-card {
    background: #1a1a1a;
    border-color: #2a2a2a;
}
[data-theme="dark"] .themes-featured-title,
[data-theme="dark"] .themes-small-title { color: #e8e8e8; }
[data-theme="dark"] .themes-featured-summary,
[data-theme="dark"] .themes-small-summary { color: #aaa; }
[data-theme="dark"] .themes-tag-pill { background: #2a2a2a; color: #aaa; }
[data-theme="dark"] .themes-breadcrumb-link { color: #666; }
[data-theme="dark"] .themes-breadcrumb-cur  { color: #aaa; }
[data-theme="dark"] .themes-count-badge { color: #666; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .themes-small-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .themes-small-grid { grid-template-columns: 1fr; }
    .themes-featured-title { font-size: 22px; }
}