/* ===== CSS 变量 ===== */
:root {
    --bg-primary: #0d0d1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #1a1a2e;
    --text-primary: #fff;
    --text-secondary: rgba(255,255,255,0.5);
    --text-muted: rgba(255,255,255,0.25);
    --text-faint: rgba(255,255,255,0.12);
    --border-color: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --nav-bg: rgba(13,13,26,0.92);
    --pagination-bg: rgba(13,13,26,0.85);
    --shadow-color: rgba(0,0,0,0.5);
    --overlay-bg: rgba(0,0,0,0.92);
    --card-bg: #1a1a2e;
    --input-bg: rgba(255,255,255,0.05);
    --input-border: rgba(255,255,255,0.06);
    --btn-hover: rgba(255,255,255,0.08);
    --scrollbar-thumb: rgba(255,255,255,0.15);
    --scrollbar-thumb-hover: rgba(255,255,255,0.25);
    --progress-bar: linear-gradient(90deg, #4fc3f7, #00e5ff);
    --accent-color: #4fc3f7;
    --accent-hover: rgba(79,195,247,0.2);
    --detail-panel-bg: #1a1a2e;
    --arrow-bg-hover: rgba(255,255,255,0.08);
    --arrow-color: rgba(255,255,255,0.2);
    --arrow-color-hover: rgba(255,255,255,0.8);
    --btn-bg: rgba(0,0,0,0.4);
    --btn-border: rgba(255,255,255,0.08);
    --btn-color: rgba(255,255,255,0.7);
    --btn-hover-bg: rgba(0,0,0,0.6);
    --btn-hover-color: rgba(255,255,255,0.9);
    --meta-color: rgba(255,255,255,0.7);
    --meta-shadow: 0 2px 20px rgba(0,0,0,0.9), 0 0 40px rgba(0,0,0,0.4);
    --resolution-bg: #1a1a2e;
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: rgba(0,0,0,0.5);
    --text-muted: rgba(0,0,0,0.25);
    --text-faint: rgba(0,0,0,0.1);
    --border-color: rgba(0,0,0,0.06);
    --border-hover: rgba(0,0,0,0.12);
    --nav-bg: rgba(255,255,255,0.92);
    --pagination-bg: rgba(255,255,255,0.85);
    --shadow-color: rgba(0,0,0,0.08);
    --overlay-bg: rgba(255,255,255,0.95);
    --card-bg: #ffffff;
    --input-bg: rgba(0,0,0,0.04);
    --input-border: rgba(0,0,0,0.08);
    --btn-hover: rgba(0,0,0,0.06);
    --scrollbar-thumb: rgba(0,0,0,0.15);
    --scrollbar-thumb-hover: rgba(0,0,0,0.25);
    --detail-panel-bg: #ffffff;
    --arrow-bg-hover: rgba(0,0,0,0.06);
    --arrow-color: rgba(0,0,0,0.15);
    --arrow-color-hover: rgba(0,0,0,0.5);
    --btn-bg: rgba(255,255,255,0.6);
    --btn-border: rgba(0,0,0,0.06);
    --btn-color: rgba(0,0,0,0.6);
    --btn-hover-bg: rgba(255,255,255,0.9);
    --btn-hover-color: rgba(0,0,0,0.85);
    --meta-color: rgba(0,0,0,0.7);
    --meta-shadow: 0 2px 20px rgba(255,255,255,0.9), 0 0 40px rgba(255,255,255,0.4);
    --resolution-bg: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; background: var(--bg-primary); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; overflow: hidden; transition: background 0.3s ease, color 0.3s ease; color: var(--text-primary); }

/* ===== 进度条 ===== */
#progress-bar { position: fixed; top: 0; left: 0; height: 2.5px; background: var(--progress-bar); width: 0%; z-index: 9999; transition: width 0.3s ease; box-shadow: 0 0 12px rgba(79,195,247,0.4); }

/* ===== 导航栏 ===== */
.nav-toggle { position: fixed; top: 12px; left: 12px; z-index: 1001; background: var(--nav-bg); backdrop-filter: blur(8px); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 20px; padding: 6px 12px; cursor: pointer; transition: 0.2s; line-height: 1; }
.nav-toggle:hover { background: var(--accent-hover); border-color: rgba(79,195,247,0.2); }
.navbar { position: fixed; top: 12px; left: 56px; z-index: 1000; background: var(--nav-bg); backdrop-filter: blur(16px); border: 1px solid var(--border-color); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; min-width: 200px; opacity: 0; transform: translateY(-10px) scale(0.95); transition: opacity 0.25s ease, transform 0.25s ease; pointer-events: none; box-shadow: 0 8px 32px var(--shadow-color); max-width: 90vw; }
.navbar.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.navbar-header { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.navbar .logo { color: var(--text-primary); font-size: 17px; font-weight: 300; display: flex; align-items: center; gap: 8px; }
.navbar .logo span { color: var(--accent-color); font-weight: 600; }
.navbar .badge { color: var(--text-secondary); font-size: 12px; }
.navbar .search-box { display: flex; gap: 6px; width: 100%; }
.navbar .search-box input { flex: 1; background: var(--input-bg); border: 1px solid var(--input-border); border-radius: 6px; padding: 5px 10px; color: var(--text-primary); font-size: 13px; outline: none; transition: 0.2s; }
.navbar .search-box input:focus { border-color: var(--accent-color); }
.navbar .search-box input::placeholder { color: var(--text-muted); }
.navbar .search-box .search-btn { background: var(--accent-hover); border: none; color: var(--accent-color); padding: 5px 12px; border-radius: 6px; cursor: pointer; font-size: 13px; transition: 0.2s; }
.navbar .search-box .search-btn:hover { background: rgba(79,195,247,0.25); color: var(--text-primary); }
.navbar .nav-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.navbar .nav-actions a, .navbar .nav-actions button { background: var(--input-bg); border: none; color: var(--text-secondary); padding: 5px 12px; border-radius: 6px; cursor: pointer; font-size: 13px; transition: 0.2s; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.navbar .nav-actions a:hover, .navbar .nav-actions button:hover { background: var(--btn-hover); color: var(--text-primary); }
#themeToggle { background: var(--accent-hover); color: var(--accent-color); border-radius: 50%; width: 32px; height: 32px; padding: 0; display: flex; align-items: center; justify-content: center; }
#themeToggle:hover { background: rgba(79,195,247,0.3); color: var(--text-primary); }

/* ===== 应用 ===== */
.app { display: flex; flex-direction: column; width: 100%; height: 100vh; padding: 0; overflow: hidden; }
.grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; flex: 1; align-content: start; overflow-y: auto; padding: 4px; padding-bottom: 70px; scroll-behavior: smooth; min-height: 0; }
.grid::-webkit-scrollbar { width: 6px; }
.grid::-webkit-scrollbar-track { background: transparent; }
.grid::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
.grid::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* ===== 卡片 ===== */
.card { position: relative; border-radius: 4px; overflow: hidden; background: var(--bg-card); aspect-ratio: 16 / 9; cursor: pointer; transition: background 0.3s ease; }
.card img { width: 100%; height: 100%; object-fit: cover; display: block; position: relative; z-index: 2; opacity: 0; transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.2, 0.9, 0.4, 1); }
.card img.loaded { opacity: 1; }
.card:hover img { transform: scale(1.06); }
.card .placeholder-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; filter: blur(12px) brightness(0.7); transform: scale(1.04); transition: opacity 0.6s ease; z-index: 1; }
.card .placeholder-bg.hidden { opacity: 0; }
.card .info { position: absolute; bottom: 0; left: 0; right: 0; z-index: 3; padding: 16px 12px 12px; background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%); color: #fff; opacity: 0; transition: opacity 0.25s ease; pointer-events: none; }
.card:hover .info { opacity: 1; }
.card .info .date { font-size: 11px; color: rgba(255,255,255,0.4); }
.card .info .title { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card .info .copyright { font-size: 12px; color: rgba(255,255,255,0.4); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== 分页 ===== */
.pagination { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 10px; padding: 8px 16px; background: var(--pagination-bg); backdrop-filter: blur(16px); border: 1px solid var(--border-color); border-radius: 12px; box-shadow: 0 8px 32px var(--shadow-color); z-index: 100; flex-wrap: wrap; justify-content: center; max-width: 95vw; transition: background 0.3s ease, border-color 0.3s ease; }
.pagination button { background: var(--input-bg); border: none; color: var(--text-secondary); padding: 6px 14px; border-radius: 6px; cursor: pointer; font-size: 13px; transition: 0.2s; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.pagination button:hover:not(:disabled) { background: var(--accent-hover); color: var(--accent-color); }
.pagination button:disabled { opacity: 0.2; cursor: not-allowed; }
.pagination .page-info { color: var(--text-secondary); font-size: 13px; white-space: nowrap; }
.pagination .total-info { color: var(--text-muted); font-size: 12px; white-space: nowrap; }
.pagination .goto-box { display: flex; align-items: center; gap: 4px; }
.pagination .goto-box input { width: 48px; background: var(--input-bg); border: 1px solid var(--input-border); border-radius: 4px; padding: 4px 6px; color: var(--text-primary); font-size: 13px; text-align: center; outline: none; transition: 0.2s; }
.pagination .goto-box input:focus { border-color: var(--accent-color); }
.pagination .goto-box .goto-btn { background: var(--accent-hover); border: none; color: var(--accent-color); padding: 4px 10px; border-radius: 4px; cursor: pointer; font-size: 13px; transition: 0.2s; display: inline-flex; align-items: center; gap: 4px; }
.pagination .goto-box .goto-btn:hover { background: rgba(79,195,247,0.3); color: var(--text-primary); }
.empty { grid-column: 1 / -1; text-align: center; padding: 80px 20px; color: var(--text-secondary); }
.empty .icon { font-size: 40px; margin-bottom: 10px; }

/* ===== 大图预览 ===== */
.overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--overlay-bg); z-index: 999; overflow: hidden; user-select: none; transition: background 0.3s ease; }
.overlay.active { display: block; }
.overlay .image-container { width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; cursor: grab; overflow: hidden; position: relative; }
.overlay .image-container:active { cursor: grabbing; }
.overlay .preview-image { display: block; width: 100%; height: 100%; object-fit: contain; pointer-events: none; transform-origin: center center; will-change: transform; transition: none; background: var(--overlay-bg); }

.overlay .arrow { position: fixed; top: 50%; transform: translateY(-50%); width: 56px; height: 100px; cursor: pointer; z-index: 60; display: flex; align-items: center; justify-content: center; background: transparent; border: none; border-radius: 10px; color: var(--arrow-color); font-size: 36px; transition: background 0.25s ease, color 0.25s ease; }
.overlay .arrow-left { left: 16px; }
.overlay .arrow-right { right: 16px; }
.overlay .arrow:hover { background: var(--arrow-bg-hover); color: var(--arrow-color-hover); }

.overlay .action-buttons { position: fixed; top: 20px; right: 20px; display: flex; align-items: center; gap: 8px; z-index: 70; }
.overlay .action-buttons button, .overlay .action-buttons a { background: var(--btn-bg); backdrop-filter: blur(12px); border: 1px solid var(--btn-border); border-radius: 8px; color: var(--btn-color); padding: 8px 14px; font-size: 13px; cursor: pointer; transition: all 0.2s ease; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; font-family: inherit; white-space: nowrap; }
.overlay .action-buttons button:hover, .overlay .action-buttons a:hover { background: var(--btn-hover-bg); color: var(--btn-hover-color); border-color: var(--border-hover); }
.overlay .action-buttons .btn-download { color: var(--accent-color); border-color: rgba(79,195,247,0.15); }
.overlay .action-buttons .btn-download:hover { background: var(--accent-hover); color: var(--text-primary); border-color: var(--accent-color); }
.overlay .action-buttons .btn-close { background: var(--btn-bg); border-color: transparent; padding: 8px 12px; font-size: 16px; }
.overlay .action-buttons .btn-close:hover { background: rgba(255,50,50,0.15); color: #ff6b6b; border-color: rgba(255,50,50,0.2); }

.overlay .meta { position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%); color: var(--meta-color); font-size: 15px; text-align: center; z-index: 50; pointer-events: none; text-shadow: var(--meta-shadow); line-height: 1.6; max-width: 80%; }
.overlay .meta .date { font-size: 13px; opacity: 0.4; display: block; margin-top: 2px; }

/* ===== 详情面板 ===== */
.detail-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 80; background: rgba(0,0,0,0.3); opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.detail-overlay.active { opacity: 1; pointer-events: auto; }
.detail-panel { position: fixed; top: 0; right: -420px; width: 400px; max-width: 90vw; height: 100%; background: var(--detail-panel-bg); z-index: 90; box-shadow: -8px 0 40px var(--shadow-color); transition: right 0.35s cubic-bezier(0.4,0,0.2,1); display: flex; flex-direction: column; overflow: hidden; border-left: 1px solid var(--border-color); }
.detail-panel.open { right: 0; }
.detail-panel-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.detail-panel-header h2 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin: 0; display: flex; align-items: center; gap: 10px; }
.detail-panel-header h2 i { color: var(--accent-color); }
.detail-panel-close { background: var(--input-bg); border: none; color: var(--text-secondary); width: 36px; height: 36px; border-radius: 8px; cursor: pointer; font-size: 18px; transition: 0.2s; display: flex; align-items: center; justify-content: center; }
.detail-panel-close:hover { background: var(--btn-hover); color: var(--text-primary); }
.detail-panel-body { flex: 1; overflow-y: auto; padding: 24px; }
.detail-panel-body::-webkit-scrollbar { width: 4px; }
.detail-panel-body::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }
.detail-item { display: flex; flex-direction: column; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--border-color); }
.detail-item:last-child { border-bottom: none; }
.detail-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500; }
.detail-value { font-size: 15px; color: var(--text-primary); line-height: 1.5; word-break: break-word; }
.detail-value a { color: var(--accent-color); text-decoration: none; }
.detail-value a:hover { text-decoration: underline; }

/* ===== 分辨率选择面板 ===== */
.resolution-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 95; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); }
.resolution-overlay.active { display: block; }
.resolution-panel { display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 96; background: var(--resolution-bg); border-radius: 16px; padding: 24px; min-width: 320px; max-width: 90vw; box-shadow: 0 20px 60px var(--shadow-color); border: 1px solid var(--border-color); }
.resolution-panel.active { display: block; }
.resolution-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; color: var(--text-primary); font-size: 16px; font-weight: 500; }
.resolution-header i { color: var(--accent-color); margin-right: 8px; }
.resolution-close { background: var(--input-bg); border: none; color: var(--text-secondary); width: 32px; height: 32px; border-radius: 8px; cursor: pointer; font-size: 16px; transition: 0.2s; display: flex; align-items: center; justify-content: center; }
.resolution-close:hover { background: var(--btn-hover); color: var(--text-primary); }
.resolution-section { margin-bottom: 16px; }
.resolution-section:last-child { margin-bottom: 0; }
.resolution-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.resolution-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 6px; }
.resolution-btn { background: var(--input-bg); border: 1px solid var(--input-border); border-radius: 6px; padding: 8px 4px; color: var(--text-secondary); font-size: 12px; cursor: pointer; transition: 0.2s; font-family: inherit; text-align: center; }
.resolution-btn:hover { background: var(--accent-hover); border-color: var(--accent-color); color: var(--accent-color); }
[data-theme="light"] .resolution-btn { background: rgba(0,0,0,0.04); }
[data-theme="light"] .resolution-btn:hover { background: rgba(79,195,247,0.12); }

/* ===== 响应式 ===== */
@media (max-width: 1200px) { .grid { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 900px) {
    .grid { grid-template-columns: repeat(3, 1fr); }
    .navbar { left: 52px; min-width: 160px; padding: 12px 14px; top: 10px; }
    .nav-toggle { font-size: 18px; padding: 5px 10px; top: 10px; left: 10px; }
    .pagination { padding: 6px 12px; gap: 6px; bottom: 12px; }
    .pagination button { font-size: 12px; padding: 4px 10px; }
    .pagination .page-info { font-size: 12px; }
    .pagination .goto-box input { width: 40px; font-size: 12px; }
    .overlay .arrow { width: 44px; height: 80px; font-size: 28px; }
    .overlay .arrow-left { left: 10px; }
    .overlay .arrow-right { right: 10px; }
    .resolution-panel { min-width: auto; }
    .resolution-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
}
@media (max-width: 500px) {
    .app { height: auto; min-height: 100vh; overflow-y: auto; }
    .grid { grid-template-columns: repeat(2, 1fr); gap: 0; height: auto; overflow-y: visible; padding: 0; padding-bottom: 80px; align-content: start; }
    .card { aspect-ratio: 16 / 10; border-radius: 0; }
    .navbar { left: 48px; min-width: 140px; padding: 10px 12px; top: 8px; }
    .navbar .logo { font-size: 14px; }
    .navbar .search-box input { font-size: 12px; padding: 4px 8px; }
    .navbar .nav-actions a, .navbar .nav-actions button { font-size: 12px; padding: 4px 8px; }
    #themeToggle { width: 28px; height: 28px; font-size: 13px; }
    .nav-toggle { font-size: 16px; padding: 4px 8px; top: 8px; left: 8px; }
    .pagination { flex-wrap: wrap; justify-content: center; padding: 6px 10px; gap: 4px; max-width: 98vw; bottom: 8px; }
    .pagination button { font-size: 11px; padding: 3px 8px; }
    .pagination .page-info { font-size: 11px; }
    .pagination .total-info { font-size: 10px; }
    .pagination .goto-box input { width: 34px; font-size: 11px; padding: 2px 4px; }
    .pagination .goto-box .goto-btn { font-size: 11px; padding: 2px 8px; }
    .overlay .arrow { width: 40px; height: 64px; font-size: 22px; }
    .overlay .arrow-left { left: 6px; }
    .overlay .arrow-right { right: 6px; }
    .overlay .action-buttons { top: 12px; right: 12px; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
    .overlay .action-buttons button, .overlay .action-buttons a { font-size: 11px; padding: 4px 10px; }
    .overlay .action-buttons .btn-close { padding: 4px 10px; font-size: 14px; }
    .overlay .meta { font-size: 13px; bottom: 30px; max-width: 90%; }
    .overlay .meta .date { font-size: 11px; }
    .detail-panel { width: 100%; max-width: 100vw; right: -100vw; }
    .detail-panel.open { right: 0; }
    .detail-panel-header { padding: 16px 20px; }
    .detail-panel-header h2 { font-size: 16px; }
    .detail-panel-body { padding: 16px 20px; }
    .detail-item { padding: 12px 0; }
    .detail-value { font-size: 14px; }
    .resolution-panel { padding: 16px; width: 92vw; min-width: auto; }
    .resolution-grid { grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); gap: 4px; }
    .resolution-btn { font-size: 11px; padding: 6px 4px; }
}
@media (pointer: coarse) { .overlay .arrow { width: 60px; } .overlay .arrow-left { left: 4px; } .overlay .arrow-right { right: 4px; } }

/* ===== 分辨率选择面板 ===== */
.resolution-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 95;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}
.resolution-overlay.active {
    display: block;
}
.resolution-panel {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 999999;
    background: var(--resolution-bg, #1a1a2e);
    border-radius: 16px;
    padding: 24px;
    min-width: 320px;
    max-width: 90vw;
    box-shadow: 0 20px 60px var(--shadow-color);
    border: 1px solid var(--border-color);
}
.resolution-panel.active {
    display: block;
}
.resolution-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
}
.resolution-header i {
    color: var(--accent-color);
    margin-right: 8px;
}
.resolution-close {
    background: var(--input-bg);
    border: none;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.resolution-close:hover {
    background: var(--btn-hover);
    color: var(--text-primary);
}
.resolution-section {
    margin-bottom: 16px;
}
.resolution-section:last-child {
    margin-bottom: 0;
}
.resolution-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.resolution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 6px;
}
.resolution-btn {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    padding: 8px 4px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: 0.2s;
    font-family: inherit;
    text-align: center;
}
.resolution-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-color);
    color: var(--accent-color);
}
[data-theme="light"] .resolution-btn {
    background: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .resolution-btn:hover {
    background: rgba(79, 195, 247, 0.12);
}
@media (max-width: 500px) {
    .resolution-panel {
        padding: 16px;
        min-width: auto;
        width: 92vw;
    }
    .resolution-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 4px;
    }
    .resolution-btn {
        font-size: 11px;
        padding: 6px 4px;
    }
}