/* ============ OpenMC 云盘 UI —— 浅色 + 深色双主题 ============ */
:root {
  --bg: #f4f6fb;
  --bg-soft: #eef1f8;
  --card: #ffffff;
  --line: #e4e9f2;
  --text: #1f2a44;
  --muted: #8895ad;
  --primary: #4f6ef7;
  --primary-soft: rgba(79, 110, 247, .1);
  --danger: #e5484d;
  --ok: #18a058;
  --warn: #f0a020;
  --shadow: 0 1px 3px rgba(20, 30, 60, .06), 0 8px 24px rgba(20, 30, 60, .07);
  --shadow-lg: 0 12px 40px rgba(20, 30, 60, .14);
  --radius: 12px;
  --radius-sm: 8px;
  --hero-a: #eaf0ff;
  --hero-b: #f3efff;
  --code-bg: #f6f8fc;
}
[data-theme="dark"] {
  --bg: #0c111f;
  --bg-soft: #111827;
  --card: #161d2f;
  --line: #24304a;
  --text: #dde5f4;
  --muted: #7e8bab;
  --primary: #6d8bff;
  --primary-soft: rgba(109, 139, 255, .14);
  --danger: #f2555a;
  --ok: #34c56f;
  --warn: #f5b840;
  --shadow: 0 1px 3px rgba(0, 0, 0, .35), 0 8px 24px rgba(0, 0, 0, .35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, .55);
  --hero-a: #141b31;
  --hero-b: #1b1631;
  --code-bg: #0f1526;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.65 -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  transition: background .25s, color .25s;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }

/* ---------- 主题切换按钮 ---------- */
.theme-btn {
  position: fixed; right: 18px; bottom: 18px; z-index: 999;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  font-size: 18px; cursor: pointer; box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s, background .25s;
}
.theme-btn:hover { transform: scale(1.1) rotate(12deg); }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 20px; background: color-mix(in srgb, var(--card) 86%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.topbar .logo { font-size: 18px; font-weight: 800; letter-spacing: .2px; }
.topbar .logo {
  background: linear-gradient(120deg, var(--primary), #9d6bff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.topbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.topbar .quota { color: var(--muted); font-size: 13px; }
.topbar .user { font-size: 14px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 15px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--card); color: var(--text);
  cursor: pointer; font-size: 14px; line-height: 1.45;
  transition: all .18s; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.primary {
  background: linear-gradient(120deg, var(--primary), #7b93ff);
  border-color: transparent; color: #fff;
}
.btn.primary:hover { color: #fff; filter: brightness(1.08); }
.btn.small { padding: 4px 11px; font-size: 13px; border-radius: 8px; }
.btn.block { display: flex; width: 100%; margin-bottom: 8px; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* ---------- 网盘布局 ---------- */
.pan { display: flex; min-height: calc(100vh - 58px); }
.side { width: 232px; padding: 16px 14px; background: var(--card); border-right: 1px solid var(--line); flex-shrink: 0; }
.side .tip { font-size: 12px; color: var(--muted); margin-top: 12px; line-height: 1.7; }
.main { flex: 1; padding: 18px 22px 60px; min-width: 0; }

/* 侧栏卡片 */
.side-card {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px; margin-bottom: 12px;
}
.side-card-title { font-size: 13px; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stat { text-align: center; padding: 9px 4px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; transition: transform .15s; }
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-num { font-size: 17px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--muted); }

/* 配额 */
.quota-bar { height: 8px; background: var(--line); border-radius: 5px; overflow: hidden; margin-bottom: 6px; }
.quota-fill { height: 100%; background: linear-gradient(90deg, var(--primary), #7b93ff); border-radius: 5px; transition: width .4s; }
.quota-fill.warn { background: linear-gradient(90deg, var(--warn), #f7c56a); }
.quota-fill.full { background: linear-gradient(90deg, var(--danger), #f67d80); }

/* 主区头部 + 面包屑 */
.main-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.main-head-tip { font-size: 13px; color: var(--muted); }
.crumb { font-size: 15px; overflow-wrap: break-word; }
.crumb a { color: var(--text); font-weight: 700; }
.crumb a:hover { color: var(--primary); }

/* 文件列表 */
.flist {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.flist th, .flist td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.flist th { font-size: 12.5px; color: var(--muted); font-weight: 700; background: var(--bg-soft); letter-spacing: .3px; }
.flist tr:last-child td { border-bottom: none; }
.flist tbody tr { transition: background .15s; }
.flist tbody tr:hover { background: var(--primary-soft); }
.c-size { width: 90px; }
.c-time { width: 150px; }
.c-act { width: 250px; white-space: nowrap; }
.fname { cursor: pointer; word-break: break-all; font-weight: 600; }
.fname:hover { color: var(--primary); }
.act-row { display: flex; gap: 6px; align-items: center; }
.pub-label { font-size: 12px; color: var(--muted); white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.pub-label input { accent-color: var(--primary); }
.empty {
  padding: 48px 20px; text-align: center; color: var(--muted);
  background: var(--card); border: 1.5px dashed var(--line); border-radius: var(--radius);
  font-size: 15px;
}

/* 拖拽提示 */
.drop-hint {
  position: fixed; inset: 14px; border: 3px dashed var(--primary);
  border-radius: 18px; background: color-mix(in srgb, var(--primary) 8%, transparent);
  z-index: 60; display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; color: var(--primary); pointer-events: none;
  backdrop-filter: blur(3px);
}
body.dragging .drop-hint { display: flex; }

/* 上传队列 */
.up-title { margin: 24px 0 10px; font-size: 15px; font-weight: 700; }
.queue, .shares { display: flex; flex-direction: column; gap: 8px; }
.qitem {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 11px 15px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.qitem .qname { flex: 1; min-width: 140px; word-break: break-all; }
.qitem .qstate { font-size: 13px; color: var(--muted); white-space: nowrap; }
.qitem .qbar { height: 7px; background: var(--line); border-radius: 4px; overflow: hidden; flex: 0 0 170px; }
.qitem .qfill { height: 100%; background: linear-gradient(90deg, var(--primary), #7b93ff); width: 0; transition: width .2s; border-radius: 4px; }
.qitem.ok .qfill { background: linear-gradient(90deg, var(--ok), #4cd488); }
.qitem.err .qfill { background: linear-gradient(90deg, var(--danger), #f67d80); }

/* 分享卡片 */
.srow { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; flex-wrap: wrap; }
.srow:last-child { border-bottom: none; }
.srow .sname { flex: 1; min-width: 120px; word-break: break-all; }

/* 弹窗 */
.modal {
  position: fixed; inset: 0; background: rgba(10, 15, 30, .5);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 20px 24px; width: min(480px, 94vw); max-height: 86vh; overflow: auto;
  box-shadow: var(--shadow-lg);
}
.modal-box h3 { margin: 0 0 12px; }
.modal-foot { text-align: right; margin-top: 14px; }
.preview-frame { width: 88vw; height: 78vh; border: 0; border-radius: 12px; background: #111827; }
#modal:has(.preview-frame) .modal-box { width: min(94vw, 1200px); padding: 12px; }

/* 表单 */
input, select {
  padding: 9px 13px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px; width: 100%; background: var(--bg-soft); color: var(--text);
  transition: border .15s, box-shadow .15s;
}
input:focus, select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft); background: var(--card);
}
.stack { display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.alert { background: color-mix(in srgb, var(--danger) 10%, transparent); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); padding: 9px 13px; border-radius: 10px; font-size: 14px; }
.alert-ok { background: color-mix(in srgb, var(--ok) 10%, transparent); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }

/* 目录选择器 */
.dir-picker { max-height: 300px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; padding: 6px; background: var(--bg-soft); }
.dir-option { display: block; padding: 7px 9px; border-radius: 8px; color: var(--text); }
.dir-option:hover { background: var(--primary-soft); text-decoration: none; }

/* 登录 / 分享 / 卡片页 */
.page-login, .page-share {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
  background: radial-gradient(1200px 600px at 70% -10%, var(--hero-a), transparent),
              radial-gradient(1000px 500px at 10% 110%, var(--hero-b), transparent);
}
.auth-card, .share-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 30px; width: min(410px, 94vw); box-shadow: var(--shadow-lg);
}
.logo { font-size: 23px; font-weight: 800; text-align: center; margin-bottom: 18px; }
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  flex: 1; padding: 8px; border: 1px solid var(--line); background: var(--bg-soft);
  border-radius: 10px; cursor: pointer; font-size: 14px; transition: all .15s;
}
.tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.foot { text-align: center; margin-top: 18px; font-size: 13px; color: var(--muted); }
.share-card h2 { margin: 8px 0; word-break: break-all; }
.share-card .row { margin-top: 16px; }
.share-card .foot { margin-top: 22px; }

/* 公开页 */
.pub-main { max-width: 1020px; margin: 28px auto 60px; padding: 0 18px; }
.pub-main h1 { font-size: 23px; }
.page-pub .flist { margin-top: 6px; }

/* 主页 */
.home-hero {
  text-align: center; padding: 52px 16px 34px;
  background: linear-gradient(165deg, var(--hero-a), var(--hero-b));
  border-bottom: 1px solid var(--line);
}
.home-hero h1 { font-size: 32px; margin: 0 0 10px; font-weight: 800; }
.home-hero p { color: var(--muted); margin: 0 0 22px; }
.home-stats { display: flex; justify-content: center; gap: 30px; margin-top: 22px; flex-wrap: wrap; }
.home-stats .hs b { font-size: 21px; color: var(--primary); }
.home-stats .hs span { display: block; font-size: 12px; color: var(--muted); }
.home-main { max-width: 1020px; margin: 0 auto; padding: 22px 18px 60px; }
.home-main h2 { font-size: 19px; }
.home-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(235px, 1fr)); gap: 13px; margin-top: 14px; }
.fcard {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 15px; display: flex; flex-direction: column; gap: 9px;
  box-shadow: var(--shadow); transition: transform .18s, box-shadow .18s;
}
.fcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.fcard .fico { font-size: 27px; }
.fcard .fname { font-weight: 650; word-break: break-all; min-height: 2.4em; }
.fcard .fmeta { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.fcard .facts { display: flex; gap: 7px; }

/* 后台 */
.tab-pane h3 { margin-top: 4px; }
.tab-pane .flist { margin-top: 10px; }

/* 预览页深色适配（view.php 共用本样式表） */
[data-theme="dark"] .view-code, [data-theme="dark"] .view-md {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
}
[data-theme="dark"] .view-md pre, [data-theme="dark"] .view-md code { background: var(--code-bg); }
[data-theme="dark"] .view-bar { background: var(--card); }

/* 移动端 */
@media (max-width: 760px) {
  .pan { flex-direction: column; }
  .side { width: 100%; border-right: none; border-bottom: 1px solid var(--line); }
  .c-time { display: none; }
  .home-hero h1 { font-size: 26px; }
  .c-act { width: 200px; }
}