/* 活动视频扫码站 —— 临时极简样式（2026-10-14 主人口径：白底黑字，不用任何装饰性背景色/字体色，
   正式页面样式等美工到位后整体替换。本文件只保留布局、间距与可读性。） */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: system-ui, "Segoe UI", "Microsoft YaHei", sans-serif;
    color: #000;
    background: #fff;
    line-height: 1.65;
}

/* ---------- 客户页骨架 ---------- */
.page { min-height: 100svh; display: flex; flex-direction: column; }
.page-head { text-align: center; padding: 26px 16px 6px; }
.page-title { margin: 0; font-size: 1.3rem; font-weight: 600; letter-spacing: .06em; }
.page-sub { margin: 8px 0 0; font-size: .9rem; }
.stage { flex: 1; width: 100%; max-width: 680px; margin: 14px auto 0; padding: 0 10px; }
.player { padding: 0; }
/* 播放器自适应（2026-10-15 口径）：按视频固有比例显示，横竖都自动适配；
   max-height 生效时 object-fit:contain 等比缩放+黑边（标准播放器外观），不做固定 16/9 裁切 */
.player video { width: 100%; height: auto; max-height: 78vh; object-fit: contain; background: #000; display: block; margin: 0 auto; }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 8px; }
.pager-label { font-size: .95rem; }

.card-shell, .state-block { max-width: 680px; margin: 0 auto; padding: 18px 12px 8px; }
.state-block { text-align: center; }
.state-block h1 { margin: 12px 0 6px; font-size: 1.25rem; }
.big-icon { font-size: 2.2rem; }
.seq-tag { margin: 6px 0; font-size: .9rem; }
.seal { display: inline-block; border: 2px solid #000; padding: 2px 14px; border-radius: 6px; letter-spacing: .3em; font-size: 1.05rem; }

/* 视频列表 */
.video-list { display: grid; gap: 14px; padding: 6px 0; }
.video-item video { width: 100%; height: auto; max-height: 78vh; object-fit: contain; background: #000; display: block; margin: 0 auto; }
.video-title { margin: 8px 2px 6px; font-size: .95rem; }
.tag { font-size: .8rem; }
.upload-area { margin: 10px 0 20px; }
details { border: 1px dashed #000; border-radius: 10px; padding: 10px 14px; }
summary { cursor: pointer; }

/* ---------- 表单与按钮（两端共用） ---------- */
form { margin: 0; }
.inline { display: inline-flex; align-items: center; gap: 8px; }
.btnrow { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
label { display: block; margin: 10px 0; font-size: .92rem; }
input[type="text"], input[type="password"], input[type="search"], input[type="file"], select {
    width: 100%; margin-top: 4px; padding: 9px 10px; font: inherit;
    border: 1px solid #000; border-radius: 8px; background: #fff; color: #000;
}
input[type="file"] { padding: 7px; }
.btn {
    display: inline-block; padding: 9px 16px; border: 1px solid #000; border-radius: 8px;
    background: #fff; color: #000; font: inherit; cursor: pointer; text-decoration: none;
}
.btn.small, .link-btn { padding: 4px 10px; font-size: .85rem; }
.link-btn { border: none; background: none; cursor: pointer; color: inherit; text-decoration: underline; font: inherit; }
.notice { padding: 10px 14px; border: 1px solid #000; border-radius: 8px; margin: 10px 0; background: #fff; color: #000; }

/* ---------- 管理后台 ---------- */
body.admin { background: #fff; color: #000; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 2px solid #000; flex-wrap: wrap; }
.topbar .brand { font-weight: 600; letter-spacing: .05em; }
.topbar nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar a { color: #000; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.admin-main { max-width: 1100px; margin: 18px auto 60px; padding: 0 14px; }
.panel { border: 1px solid #000; border-radius: 12px; padding: 18px 20px; margin: 14px 0; }
.panel.narrow { max-width: 480px; margin: 40px auto; }
.panel h1 { font-size: 1.2rem; margin: 0 0 8px; }
.panel h2 { font-size: 1.05rem; margin: 14px 0 6px; }
.stat-cards { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0; }
.stat { flex: 1 1 140px; border: 1px solid #000; border-radius: 10px; padding: 12px 14px; text-align: center; }
.stat b { display: block; font-size: 1.5rem; }
.stat span { font-size: .85rem; }
.filterbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.filterbar select, .filterbar input { width: auto; margin: 0; }
table.grid { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: .92rem; }
table.grid th, table.grid td { border: 1px solid #000; padding: 7px 9px; text-align: left; vertical-align: middle; }
table.grid th { font-weight: 600; }
.badge { display: inline-block; padding: 1px 9px; border: 1px solid #000; border-radius: 999px; font-size: .78rem; }
.mono { font-family: Consolas, "JetBrains Mono", monospace; font-size: .8rem; letter-spacing: .04em; }
.muted { font-size: .92rem; }
.small { font-size: .82rem; }
code { border: 1px solid #000; padding: 1px 5px; border-radius: 4px; font-size: .85em; }

/* 终端页内的上传表单 */
.client .upload-area input, .client .upload-area button { max-width: 100%; }

@media (max-width: 480px) {
    .page-title { font-size: 1.15rem; }
    .stage { padding: 0 6px; }
}

/* ── 页脚 ICP 备案号（法规要求，随 2026-10-22 备案通过加入）── */
.icp { text-align: center; padding: 16px 0 24px; font-size: 12px; color: #888; }
.icp a { color: #888; text-decoration: none; }