/* 图床 —— 样式。浅色 / 深色两套变量，靠 <html data-theme> 切换。 */
:root {
  --bg: #0f1216;
  --panel: #161b22;
  --panel2: #1c232b;
  --line: #262d36;
  --text: #e6edf3;
  --muted: #8b949e;
  --blue: #3b82f6;
  --blue-2: #2563eb;
  --red: #e5484d;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
[data-theme="light"] {
  --bg: #f4f6fa;
  --panel: #ffffff;
  --panel2: #f0f3f8;
  --line: #dde3ec;
  --text: #11161d;
  --muted: #64707e;
  --blue: #2563eb;
  --blue-2: #1d4ed8;
  --red: #d33a3e;
  --shadow: 0 10px 30px rgba(15, 23, 42, .12);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, "SF Pro SC", "PingFang SC", system-ui, sans-serif;
  min-height: 100vh;
}
body.locked { overflow: hidden; }
a { color: var(--blue); }
[hidden] { display: none !important; }

/* ── 顶栏 ── */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 18px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.top-l { display: flex; align-items: baseline; gap: 10px; margin-right: auto; }
.top h1 { font-size: 17px; margin: 0; letter-spacing: .5px; }
.sub { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 8px; }
.sub b { color: var(--text); font-weight: 600; }
.sub .bar { display: inline-block; width: 56px; height: 5px; border-radius: 3px; background: var(--panel2); overflow: hidden; }
.sub .bar i { display: block; height: 100%; background: var(--blue); }

.top-r { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.input {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--line); border-radius: 9px;
  padding: 8px 11px; font: inherit; outline: none;
}
.input:focus { border-color: var(--blue); }
.search { width: 180px; }
.chips { display: flex; gap: 4px; background: var(--panel); border: 1px solid var(--line); border-radius: 9px; padding: 3px; }
.chip {
  border: 0; background: transparent; color: var(--muted);
  padding: 5px 10px; border-radius: 7px; cursor: pointer; font: inherit;
}
.chip.on { background: var(--blue); color: #fff; }
.btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  padding: 8px 13px; border-radius: 9px; cursor: pointer; font: inherit;
  transition: .15s;
}
.btn:hover:not(:disabled) { border-color: var(--blue); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--blue-2); border-color: var(--blue-2); }
.btn-sm { padding: 6px 10px; font-size: 12.5px; }

/* ── 主体 ── */
.wrap { max-width: 1400px; margin: 0 auto; padding: 18px; }

.drop {
  border: 1.5px dashed var(--line); border-radius: 16px;
  background: linear-gradient(180deg, var(--panel), transparent);
  padding: 30px 18px; text-align: center; margin-bottom: 18px;
  transition: .18s;
}
.drop.hot { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, var(--panel)); transform: scale(1.005); }
.drop.readonly { opacity: .8; }
.drop-icon { font-size: 26px; color: var(--muted); line-height: 1; }
.drop-title { font-weight: 600; margin-top: 6px; }
.drop-sub { color: var(--muted); font-size: 12.5px; margin-top: 3px; }

/* ── 上传队列 ── */
.uploads { display: grid; gap: 8px; margin-bottom: 16px; }
.up {
  background: var(--panel); border: 1px solid var(--line); border-radius: 11px; padding: 9px 12px;
  animation: pop .18s ease-out;
}
.up.done { border-color: color-mix(in srgb, var(--blue) 50%, var(--line)); }
@keyframes pop { from { opacity: 0; transform: translateY(-4px); } }
.up-name { display: flex; gap: 8px; justify-content: space-between; font-size: 13px; }
.up-size, .up-note { color: var(--muted); font-size: 12px; }
.up-bar { height: 4px; background: var(--panel2); border-radius: 3px; overflow: hidden; margin: 6px 0 4px; }
.up-bar i { display: block; height: 100%; width: 0; background: var(--blue); transition: width .2s; }

/* ── 网格 ── */
.grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
}
.card {
  position: relative; margin: 0; border-radius: 13px; overflow: hidden;
  background: var(--panel); border: 1px solid var(--line);
  cursor: zoom-in; transition: .16s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--blue) 40%, var(--line)); }
.thumb { position: relative; aspect-ratio: 4 / 3; background: var(--panel2); display: grid; place-items: center; overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb.noimg .ph { font-size: 30px; opacity: .55; }
.thumb .play {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 26px; text-shadow: 0 2px 10px rgba(0,0,0,.6); pointer-events: none;
}
.badge {
  position: absolute; right: 7px; bottom: 7px;
  background: rgba(0,0,0,.62); color: #fff; font-size: 11px;
  padding: 1px 6px; border-radius: 6px; font-variant-numeric: tabular-nums;
}
figcaption { padding: 8px 10px 10px; display: grid; gap: 1px; }
.fname { font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fmeta { color: var(--muted); font-size: 11.5px; }
.acts {
  position: absolute; top: 7px; right: 7px; display: flex; gap: 4px;
  opacity: 0; transition: .15s;
}
.card:hover .acts { opacity: 1; }
.mini {
  border: 0; background: rgba(0,0,0,.62); color: #fff;
  font-size: 11.5px; padding: 3px 6px; border-radius: 6px; cursor: pointer; font: inherit;
}
.mini:hover { background: var(--blue); }
.mini.danger:hover { background: var(--red); }

.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-title { font-size: 16px; color: var(--text); margin-bottom: 4px; }
.empty-sub { font-size: 13px; }
.more { text-align: center; padding: 20px 0 8px; }

/* ── 灯箱 ── */
.lightbox {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0, 0, 0, .88); backdrop-filter: blur(6px);
  display: flex; flex-direction: column;
}
.lb-bar {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,.1); color: #e6edf3;
}
.lb-title { flex: 1; font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.lb-bar .btn { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); color: #e6edf3; }
.lb-body { flex: 1; display: grid; place-items: center; padding: 18px; min-height: 0; }
.lb-body img, .lb-body video { max-width: 100%; max-height: 100%; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lb-audio { display: grid; gap: 16px; place-items: center; }
.lb-icon { font-size: 54px; }
.lb-meta { padding: 10px 16px 16px; text-align: center; color: #98a2ad; font-size: 12px; }

/* ── toast ── */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 12px);
  background: var(--panel); border: 1px solid var(--line); color: var(--text);
  padding: 10px 16px; border-radius: 11px; box-shadow: var(--shadow);
  font-size: 13px; opacity: 0; pointer-events: none; transition: .2s; z-index: 60;
  max-width: min(560px, calc(100vw - 32px));
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 720px) {
  .top { padding: 10px 12px; }
  .search { width: 110px; }
  .wrap { padding: 12px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 9px; }
  .drop { padding: 22px 12px; }
  .chips { display: none; }
}

/* 顶栏里"链接域名"那一段：告诉你在本机上传时复制出来的链接会是什么域名 */
.sub .based { color: var(--muted); }
.sub .based b { color: var(--blue); }