/* ============================================================
   九九九元徽集 — 前台样式
   现代暗色主题（默认），支持明/暗切换
   ============================================================ */
:root {
  --bg: #0a0b0f;
  --bg-soft: #12141c;
  --card: #161922;
  --card-2: #1b1f2b;
  --border: #262b38;
  --text: #e8ecf3;
  --muted: #8a93a6;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-3: #ff5c8a;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
body[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --card-2: #f1f4fa;
  --border: #e2e6ee;
  --text: #161b26;
  --muted: #6b7280;
  --shadow: 0 10px 30px rgba(20,30,60,.10);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }

/* hidden 属性必须优先于任何 display 类：
   [hidden] 来自浏览器默认样式表，优先级低于作者样式，
   一旦某元素同时带 class（如 .chips{display:flex}），hidden 就会失效、"凭空多出来"。 */
[hidden] { display: none !important; }

/* 顶部渐变光晕背景 */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(50% 40% at 90% 10%, rgba(34,211,238,.14), transparent 60%);
  pointer-events: none;
}

/* 头部 */
.header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 16px 20px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-size: 20px; font-weight: 800; color: #04121a;
  box-shadow: var(--shadow);
}
.brand h1 { font-size: 18px; margin: 0; letter-spacing: .3px; }
.brand p { margin: 0; font-size: 12px; color: var(--muted); }
.header-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }

.btn {
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  padding: 9px 14px; border-radius: 10px; font-size: 13px; cursor: pointer;
  transition: .15s ease; display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a; border: none; font-weight: 700;
}
.btn-ghost { background: transparent; }
.icon-btn { width: 38px; height: 38px; padding: 0; justify-content: center; font-size: 16px; }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn:disabled:hover { transform: none; border-color: var(--border); }

/* 分页条：每页 N 个 + 翻页 */
.pager {
  max-width: 1200px; margin: 18px auto 0; padding: 0 20px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.pager-lab { font-size: 12.5px; color: var(--muted); }
.pager-info { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.pager-nav { display: flex; gap: 8px; margin-left: auto; }
.pager-nav .btn { padding: 7px 12px; font-size: 12.5px; }
.pager-size {
  height: 34px; padding: 0 30px 0 12px; font-size: 13px; font-family: inherit;
  border-radius: 10px; border: 1px solid var(--border); background: var(--card); color: var(--text);
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23848da2' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
  background-repeat: no-repeat; background-position: right 10px center;
}
.pager-size:focus { outline: none; border-color: var(--accent); }
@media (max-width: 640px) {
  .pager-nav { margin-left: 0; width: 100%; }
  .pager-nav .btn { flex: 1; justify-content: center; }
}

/* 统计条 */
.stats { max-width: 1200px; margin: 18px auto 0; padding: 0 20px; display: flex; gap: 12px; flex-wrap: wrap; }
.stat {
  flex: 1; min-width: 150px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.stat b { font-size: 24px; background: linear-gradient(135deg,var(--accent),var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

/* 控制区 */
.controls { max-width: 1200px; margin: 18px auto 0; padding: 0 20px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.search {
  flex: 1; min-width: 240px; display: flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 0 12px;
}
.search input { flex: 1; background: transparent; border: none; outline: none; color: var(--text); padding: 11px 0; font-size: 14px; }
.search svg { flex: none; opacity: .6; }
/* chips 行必须和其它控件一样受 1200px 居中容器约束：
   脱离容器后会满宽贴左边缘，宽屏下与上方居中的搜索栏错位。 */
.controls-chips { margin-top: 10px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; min-width: 0; }
.chip {
  border: 1px solid var(--border); background: var(--card); color: var(--muted);
  padding: 7px 12px; border-radius: 999px; font-size: 12.5px; cursor: pointer; transition: .15s;
}
.chip:hover { color: var(--text); }
.chip.active { background: linear-gradient(135deg,var(--accent),var(--accent-2)); color: #04121a; border-color: transparent; font-weight: 600; }

/* 底板切换（浅色 / 深色 / 棋盘） */
.plate-switch { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.plate-label { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.seg {
  border: 1px solid var(--border); background: var(--card); color: var(--muted);
  padding: 6px 12px; border-radius: 8px; font-size: 12.5px; cursor: pointer; transition: .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.seg:hover { color: var(--text); }
.seg.active { background: linear-gradient(135deg,var(--accent),var(--accent-2)); color: #04121a; border-color: transparent; font-weight: 600; }
.seg .sw { width: 14px; height: 14px; border-radius: 4px; border: 1px solid rgba(0,0,0,.15); display: inline-block; }
.seg[data-plate="light"] .sw { background: #ffffff; }
.seg[data-plate="dark"] .sw { background: #0a0b0f; }
.seg[data-plate="check"] .sw {
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #c8ccd6 25%, transparent 25%),
    linear-gradient(-45deg, #c8ccd6 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #c8ccd6 75%),
    linear-gradient(-45deg, transparent 75%, #c8ccd6 75%);
  background-size: 7px 7px;
  background-position: 0 0, 0 3.5px, 3.5px -3.5px, -3.5px 0;
}

/* 包网格 */
.grid { max-width: 1200px; margin: 22px auto 60px; padding: 0 20px; display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.pack {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; cursor: pointer; transition: .18s ease; display: flex; flex-direction: column;
}
.pack:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 60%, var(--border)); box-shadow: var(--shadow); }
.pack .thumbs { display: flex; gap: 6px; padding: 14px 14px 0; flex-wrap: wrap; min-height: 56px; }
.thumb { width: 46px; height: 46px; border-radius: 8px; background: var(--card-2); border: 1px solid var(--border); display: grid; place-items: center; overflow: hidden; }
.thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.thumb.more { color: var(--muted); font-size: 12px; }
.pack .body { padding: 12px 14px 14px; }
.pack .name { font-weight: 700; font-size: 15px; }
.pack .meta { font-size: 12px; color: var(--muted); margin-top: 4px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tag { background: var(--card-2); border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; font-size: 11px; }
.pack .foot { margin-top: 10px; display: flex; gap: 8px; }
.pack .foot .btn { flex: 1; justify-content: center; padding: 7px; font-size: 12px; }

.empty { text-align: center; color: var(--muted); padding: 60px 20px; }

/* 弹窗 */
.modal-back {
  position: fixed; inset: 0; background: rgba(3,5,10,.66); backdrop-filter: blur(6px);
  display: none; z-index: 50; padding: 24px; overflow: auto;
}
.modal-back.open { display: block; }
.modal {
  max-width: 980px; margin: 0 auto; background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow); overflow: hidden;
}
.modal-head { padding: 18px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: 12px; }
.modal-head .title { font-size: 18px; font-weight: 800; }
.modal-head .sub { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.modal-close { margin-left: auto; }
.modal-bar { padding: 12px 20px; border-bottom: 1px solid var(--border); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.modal-bar .url { flex: 1; min-width: 220px; font-size: 12px; color: var(--muted); background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge-grid { padding: 18px 20px; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); }
.badge {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 8px; text-align: center;
}
.badge .img { height: 54px; display: grid; place-items: center; margin-bottom: 6px; border-radius: 8px; }
.badge .img img { max-width: 100%; max-height: 54px; object-fit: contain; }
/* 白色徽章在浅色/棋盘底板上容易「白到看不见」，给一枚极淡的描边阴影兜底 */
.badge .img img,
.thumb img { filter: drop-shadow(0 0 1px rgba(0, 0, 0, .5)) drop-shadow(0 0 2px rgba(0, 0, 0, .18)); }

/* 底板：浅色 / 深色 / 棋盘（默认无底板时沿用卡片底色） */
body[data-plate="light"] .badge .img,
body[data-plate="light"] .thumb { background: #ffffff; }

body[data-plate="dark"] .badge .img,
body[data-plate="dark"] .thumb { background: #0a0b0f; }

body[data-plate="check"] .badge .img,
body[data-plate="check"] .thumb {
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #e3e7ee 25%, transparent 25%),
    linear-gradient(-45deg, #e3e7ee 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e3e7ee 75%),
    linear-gradient(-45deg, transparent 75%, #e3e7ee 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
/* 白色徽章自动深色垫底（按图片真实亮度自动判定，优先级高于底板选择） */
.badge .img.auto-dark,
.thumb.auto-dark,
.badge .img.img-auto-dark,
.thumb.thumb-auto-dark {
  background: #0a0b0f !important;
  background-image: none !important;
}

/* 缺图占位：用中性斜纹 + 短横线表示，不再出现浏览器默认的问号破图 */
.badge .img.img-missing,
.thumb.thumb-missing {
  background-image: repeating-linear-gradient(45deg, rgba(125, 135, 155, .16) 0 6px, rgba(125, 135, 155, 0) 6px 12px) !important;
  box-shadow: inset 0 0 0 1px rgba(125, 135, 155, .2);
}
.badge .img.img-missing::after,
.thumb.thumb-missing::after {
  content: ''; display: block; width: 18px; height: 2px;
  border-radius: 2px; background: rgba(125, 135, 155, .5);
}

.badge .bn { font-size: 11px; color: var(--muted); word-break: break-word; }
.badge .bc { font-size: 10px; color: var(--accent-2); margin-top: 2px; }

/* 资源/工具 */
.section-title { max-width: 1200px; margin: 40px auto 0; padding: 0 20px; font-size: 15px; color: var(--muted); letter-spacing: .5px; }
.res-grid { max-width: 1200px; margin: 14px auto 0; padding: 0 20px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); }
.res { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.res h4 { margin: 0 0 6px; font-size: 15px; }
.res p { margin: 0; font-size: 13px; color: var(--muted); }
.res .go { margin-top: 10px; font-size: 12.5px; color: var(--accent-2); }

.footer { max-width: 1200px; margin: 30px auto 50px; padding: 0 20px; color: var(--muted); font-size: 12.5px; }
.footer code { background: var(--card-2); padding: 2px 6px; border-radius: 6px; }
.muted { color: var(--muted); }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: linear-gradient(135deg,var(--accent),var(--accent-2)); color: #04121a; padding: 10px 18px; border-radius: 999px; font-weight: 700; opacity: 0; transition: .25s; pointer-events: none; z-index: 60; }
.toast.show { opacity: 1; }

/* ============ 上传图标弹窗 ============ */
.up-modal {
  max-width: 580px; margin: 7vh auto; padding: 0 0 16px;
}
.up-modal .modal-head { padding: 16px 20px 14px; }
.up-drop {
  margin: 14px 20px 0; padding: 26px 16px; text-align: center; cursor: pointer;
  border: 1.6px dashed color-mix(in srgb, var(--text) 22%, transparent);
  border-radius: 14px; background: var(--card);
  transition: border-color .18s, background .18s;
  display: flex; flex-direction: column; align-items: center; gap: 7px;
}
.up-drop:hover, .up-drop.drag, .up-drop:focus-visible {
  border-color: #6d5efc; background: color-mix(in srgb, #6d5efc 7%, var(--card));
  outline: none;
}
.up-drop svg { color: #6d5efc; }
.up-drop-main { font-size: 13.5px; font-weight: 700; }
.up-drop-hint { font-size: 11.5px; color: var(--muted); max-width: 430px; line-height: 1.55; }
.up-drop-note {
  margin-top: 4px; font-size: 11.5px; color: #b45309;
  background: rgba(251, 191, 36, .14); border-radius: 8px; padding: 4px 10px;
}
.up-count { margin: 14px 20px 6px; font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.up-count b { color: var(--text); }
.up-clear { border: 0; background: none; color: #6d5efc; cursor: pointer; font-size: 12px; padding: 0; }
.up-list {
  margin: 0 20px; max-height: 200px; overflow: auto; display: flex;
  flex-direction: column; gap: 8px;
}
.up-file {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
}
.up-file-ico { font-size: 16px; }
.up-file-mid { flex: 1; min-width: 0; }
.up-file-name { font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.up-file-bar { height: 4px; border-radius: 99px; background: var(--card-2); margin-top: 5px; overflow: hidden; }
.up-file-bar-in { height: 100%; border-radius: 99px; background: #6d5efc; transition: width .2s; }
.up-file-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.up-file-size { font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.up-file-x {
  border: 0; background: var(--card-2); color: var(--muted); width: 20px; height: 20px;
  border-radius: 99px; cursor: pointer; font-size: 13px; line-height: 1;
}
.up-file-x:hover { color: #ef4444; background: rgba(239, 68, 68, .12); }
.up-chip { font-size: 11px; border-radius: 999px; padding: 2px 9px; white-space: nowrap; }
.up-chip-wait { background: var(--card-2); color: var(--muted); }
.up-chip-up { background: rgba(109, 94, 252, .15); color: #6d5efc; }
.up-chip-done { background: rgba(34, 197, 94, .15); color: #16a34a; }
.up-chip-skip { background: rgba(148, 163, 184, .18); color: var(--muted); }
.up-chip-fail { background: rgba(239, 68, 68, .13); color: #ef4444; }
.up-progress { margin: 14px 20px 0; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.up-prog-stats { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 11.5px; color: var(--muted); }
.up-prog-stats b { color: var(--text); font-variant-numeric: tabular-nums; }
.up-bar { height: 8px; border-radius: 99px; background: var(--card-2); margin-top: 9px; overflow: hidden; }
.up-bar-in { height: 100%; border-radius: 99px; background: linear-gradient(90deg, #6d5efc, #8b7bff); transition: width .2s; }
.up-prog-foot { display: flex; justify-content: space-between; margin-top: 7px; font-size: 11.5px; color: var(--muted); }
.up-prog-foot b { color: var(--text); }
.up-field { margin: 14px 20px 0; }
.up-field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.up-select {
  width: 100%; background: var(--card); color: var(--text); border: 1px solid var(--border);
  border-radius: 10px; padding: 9px 12px; font: inherit; font-size: 13px;
}
.up-foot { display: flex; align-items: center; gap: 10px; margin: 16px 20px 0; }
.up-foot .muted { font-size: 12px; }
.up-open-btn { white-space: nowrap; }