/* DataShare 深色主题 */
:root {
  --bg: #0c1020;
  --bg-soft: #12172c;
  --card: #151b2e;
  --card-edge: #262f4d;
  --ink: #e8ecf8;
  --ink-dim: #9aa3c0;
  --ink-faint: #6b7394;
  --accent: #6366f1;
  --accent-2: #4f46e5;
  --ok: #34d399;
  --bad: #f87171;
  --radius: 14px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(1100px 500px at 85% -10%, rgba(99, 102, 241, .14), transparent 60%),
              radial-gradient(900px 420px at -10% 0%, rgba(52, 211, 153, .07), transparent 55%),
              var(--bg);
  color: var(--ink);
  font: 15px/1.65 "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
a { color: #a5b4fc; }
h2 { font-size: 17px; margin: 0 0 6px; }
code.mono, .mono {
  font-family: ui-monospace, Consolas, "Courier New", monospace;
  font-size: 13.5px;
}
.hint { color: var(--ink-dim); font-size: 13px; margin: 2px 0 12px; }
.meta { color: var(--ink-faint); font-size: 12.5px; }
.lbl { display: block; color: var(--ink-dim); font-size: 13px; margin: 12px 0 6px; }
.break { word-break: break-all; white-space: pre-wrap; }
.ellip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grow { flex: 1; }

/* header */
.top { border-bottom: 1px solid var(--card-edge); background: rgba(12, 16, 32, .8); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 20; }
.top-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 12px 0; }
.brand { display: flex; align-items: baseline; gap: 8px; text-decoration: none; color: var(--ink); }
.logo { align-self: center; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: .3px; }
.brand-sub { font-size: 12.5px; color: var(--ink-dim); }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.tab {
  appearance: none; border: 1px solid transparent; background: transparent; color: var(--ink-dim);
  font: inherit; font-size: 14px; font-weight: 600; padding: 9px 14px; border-radius: 999px; cursor: pointer;
  min-height: 40px; transition: color .15s, background .15s;
}
.tab:hover { color: var(--ink); background: var(--bg-soft); }
.tab[aria-selected="true"] { color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

/* layout */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: 18px; padding: 22px 0 40px; align-items: start; }
.panels { display: grid; gap: 18px; min-width: 0; }
.card {
  background: var(--card); border: 1px solid var(--card-edge); border-radius: var(--radius);
  padding: 20px; box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
}
.card-head { display: flex; align-items: baseline; gap: 10px; }

/* 表单 */
textarea, input, select {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--card-edge); color: var(--ink);
  border-radius: 10px; padding: 11px 13px; font: inherit; font-size: 16px; outline: none;
  transition: border-color .15s;
}
textarea { resize: vertical; min-height: 90px; }
textarea:focus-visible, input:focus-visible, select:focus-visible { border-color: var(--accent); }
select { width: auto; cursor: pointer; }
::placeholder { color: var(--ink-faint); }

.opts { display: flex; align-items: end; gap: 14px; flex-wrap: wrap; margin-top: 14px; }
.opt .lbl { margin-top: 0; }
.check { display: flex; gap: 9px; align-items: center; cursor: pointer; color: var(--ink); font-size: 14px; }
.check input { width: 17px; height: 17px; accent-color: var(--accent); cursor: pointer; }
.check span { display: grid; line-height: 1.35; }
.check small { color: var(--ink-faint); font-size: 12px; }
.check input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn {
  appearance: none; border: 1px solid var(--card-edge); background: var(--bg-soft); color: var(--ink);
  font: inherit; font-size: 14px; font-weight: 600; padding: 11px 18px; border-radius: 10px; cursor: pointer;
  min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  text-decoration: none; transition: transform .12s, box-shadow .12s, filter .12s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn.primary { border: none; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 6px 18px rgba(79, 70, 229, .35); }
.btn.small { min-height: 38px; padding: 7px 13px; font-size: 13px; }
.btn.ghost { background: transparent; }
.btn.wide { width: 100%; margin-top: 12px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.copyline { display: flex; gap: 8px; align-items: center; margin: 6px 0 10px; }
.copyline code {
  flex: 1; background: var(--bg-soft); border: 1px solid var(--card-edge); border-radius: 10px;
  padding: 10px 13px; color: #c7d2fe; letter-spacing: .4px;
}
.field { margin-bottom: 4px; }

/* drop 区 */
.drop {
  border: 1.5px dashed #3b4569; border-radius: var(--radius); padding: 26px 16px; text-align: center;
  color: var(--ink-dim); cursor: pointer; transition: border-color .15s, background .15s; margin-bottom: 4px;
}
.drop:hover, .drop:focus-visible, .drop.drag { border-color: var(--accent); background: rgba(99, 102, 241, .07); }
.drop p { margin: 6px 0 0; }
.drop-ico { font-size: 30px; }
.drop.small { padding: 18px 14px; }

/* 上传结果 */
.uplist { display: grid; gap: 10px; margin-top: 14px; }
.up-item { display: flex; gap: 12px; align-items: center; background: var(--bg-soft); border: 1px solid var(--card-edge); border-radius: 12px; padding: 10px; }
.up-thumb { width: 64px; height: 64px; border-radius: 9px; object-fit: cover; background: #0a0d1a; flex: none; }
.up-info { flex: 1; min-width: 0; }
.up-link { display: block; color: #c7d2fe; font-size: 12.5px; text-decoration: none; }
.up-meta { color: var(--ink-faint); font-size: 12px; margin-top: 2px; }
.up-acts { display: flex; gap: 6px; flex-wrap: wrap; }
.up-lock { color: #fbbf24; font-size: 12px; }

/* 图片墙 */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 10px; }
.g-item { position: relative; aspect-ratio: 1; border-radius: 10px; overflow: hidden; border: 1px solid var(--card-edge); background: #0a0d1a; }
.g-item img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.g-item .g-copy {
  position: absolute; right: 6px; bottom: 6px; border: none; border-radius: 8px; cursor: pointer;
  background: rgba(10, 13, 26, .75); color: #c7d2fe; font-size: 11.5px; padding: 5px 8px; min-height: 28px;
  opacity: 0; transition: opacity .15s;
}
.g-item:hover .g-copy, .g-item:focus-within .g-copy { opacity: 1; }

/* 留言板 */
.msg-form .opts { justify-content: space-between; }
.msglist { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.msg-item { display: flex; gap: 12px; background: var(--bg-soft); border: 1px solid var(--card-edge); border-radius: 12px; padding: 12px 14px; }
.avatar {
  flex: none; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 16px;
}
.msg-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.msg-name { font-weight: 600; font-size: 14px; }
.msg-time { color: var(--ink-faint); font-size: 12px; }
.msg-body { margin: 2px 0 0; white-space: pre-wrap; word-break: break-word; font-size: 14.5px; }

/* 二维码 */
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.qr-out { text-align: center; margin-top: 14px; }
#qr-canvas { border-radius: 12px; background: #fff; padding: 8px; max-width: 100%; height: auto; }
.qr-out .opts { justify-content: center; }
.qr-parse code { display: block; background: var(--bg-soft); border: 1px solid var(--card-edge); border-radius: 10px; padding: 12px; }

/* 侧栏 */
.side { display: grid; gap: 18px; position: sticky; top: 76px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.stat { background: var(--bg-soft); border: 1px solid var(--card-edge); border-radius: 12px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 21px; color: #c7d2fe; font-variant-numeric: tabular-nums; }
.stat span { color: var(--ink-dim); font-size: 12px; }
.feed { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 2px; max-height: 430px; overflow-y: auto; }
.feed li { display: flex; gap: 9px; align-items: baseline; padding: 8px 6px; border-radius: 9px; font-size: 13.5px; }
.feed li:nth-child(odd) { background: rgba(18, 23, 44, .6); }
.feed .f-ico { flex: none; }
.feed .f-time { margin-left: auto; flex: none; color: var(--ink-faint); font-size: 11.5px; white-space: nowrap; }
.feed-note { margin-top: 10px; }

/* footer / toast */
.foot { padding: 18px 0 30px; color: var(--ink-faint); font-size: 12.5px; border-top: 1px solid var(--card-edge); }
.foot p { margin: 4px 0; }
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 20px); z-index: 2147482000;
  background: #1c2340; color: var(--ink); border: 1px solid var(--card-edge); border-radius: 10px;
  padding: 11px 18px; font-size: 13.5px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  max-width: min(90vw, 480px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.ok { border-color: rgba(52, 211, 153, .5); }
.toast.bad { border-color: rgba(248, 113, 113, .5); }

/* 移动端 */
@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .side { position: static; order: 2; }
  .qr-grid { grid-template-columns: 1fr; }
  .top-row { gap: 10px; }
  .tabs { margin-left: 0; }
  .tab { padding: 8px 12px; }
  .g-item .g-copy { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}