:root {
  --bg: #f4f6f8; --card: #fff; --ink: #1f2933; --sub: #616e7c; --line: #e4e7eb;
  --pri: #0f766e; --pri-soft: #e6f4f1; --ok: #15803d; --ok-soft: #e8f6ec; --warn: #b45309; --warn-soft: #fdf3e2;
  --bad: #c2410c; --bad-soft: #fdeee6;
  --c-sop: #2563eb; --c-process: #7c3aed; --c-policy: #b45309; --c-other: #475569;
  --r: 14px; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --card: #1b1f24; --ink: #e6e8eb; --sub: #9aa5b1; --line: #2c323a;
    --pri: #2dd4bf; --pri-soft: #133a36; --ok: #4ade80; --ok-soft: #143222; --warn: #fbbf24; --warn-soft: #3a2c10;
    --bad: #fb923c; --bad-soft: #3d2215; --c-sop: #60a5fa; --c-process: #a78bfa; --c-policy: #fbbf24; --c-other: #94a3b8; --shadow: none; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 16px/1.55 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif; -webkit-text-size-adjust: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--pri); }
.loading { padding: 40vh 0; text-align: center; color: var(--sub); }

/* 布局 */
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 120px; }
.wide { max-width: 1100px; }
.top { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 12px 0 8px; display: flex; align-items: center; gap: 10px; }
.top h1 { font-size: 20px; margin: 0; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.top .who { font-size: 13px; color: var(--sub); font-weight: 400; display: block; }
.card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 16px; margin: 12px 0; border: 1px solid var(--line); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
.muted { color: var(--sub); font-size: 14px; }
.small { font-size: 13px; }
h2 { font-size: 17px; margin: 22px 0 6px; }
.right { margin-left: auto; }
.hide { display: none !important; }

/* 按钮 */
.btn { border: 1px solid var(--line); background: var(--card); padding: 9px 14px; border-radius: 10px; cursor: pointer; white-space: nowrap; }
.btn:active { transform: scale(.98); }
.btn.pri { background: var(--pri); border-color: var(--pri); color: #fff; font-weight: 600; }
.btn.bad { color: var(--bad); }
.btn.sm { padding: 5px 10px; font-size: 14px; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--sub); }
.btn[disabled] { opacity: .5; pointer-events: none; }
@media (prefers-color-scheme: dark) { .btn.pri { color: #06201d; } }

/* 标签 */
.tag { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--pri-soft); color: var(--pri); }
.tag.sop { color: var(--c-sop); background: color-mix(in srgb, var(--c-sop) 12%, transparent); }
.tag.process { color: var(--c-process); background: color-mix(in srgb, var(--c-process) 12%, transparent); }
.tag.policy { color: var(--c-policy); background: color-mix(in srgb, var(--c-policy) 14%, transparent); }
.tag.other { color: var(--c-other); background: color-mix(in srgb, var(--c-other) 14%, transparent); }
.tag.ok { color: var(--ok); background: var(--ok-soft); }
.tag.warn { color: var(--warn); background: var(--warn-soft); }
.tag.bad { color: var(--bad); background: var(--bad-soft); }
.tag.gray { color: var(--sub); background: var(--line); }

/* 筛选 */
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0; scrollbar-width: none; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 99px; padding: 6px 14px; white-space: nowrap; cursor: pointer; font-size: 14px; }
.chip.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* 进度 */
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--pri); border-radius: 99px; }
.bar.ok > i { background: var(--ok); }
.big { font-size: 34px; font-weight: 700; line-height: 1.1; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; }
.kpi .v { font-size: 26px; font-weight: 700; }
.kpi .k { font-size: 13px; color: var(--sub); }

/* 学习卡片 */
.item { display: flex; gap: 12px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; margin: 10px 0; cursor: pointer; text-decoration: none; color: inherit; box-shadow: var(--shadow); }
.item .t { font-weight: 600; margin: 3px 0 2px; }
.item .st { font-size: 22px; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; flex: none; }
.item .st.todo { border: 2px solid var(--line); }
.item .st.done { background: var(--ok-soft); color: var(--ok); }
.item.overdue { border-color: var(--bad); }
.empty { text-align: center; color: var(--sub); padding: 30px 0; }

/* 阅读页 */
.doc h3 { font-size: 18px; margin: 18px 0 6px; }
.doc h4 { font-size: 16px; margin: 14px 0 4px; }
.doc p { margin: 8px 0; }
.doc ul, .doc ol { padding-left: 22px; margin: 8px 0; }
.doc li { margin: 4px 0; }
.doc img { width: 100%; border-radius: 10px; margin: 8px 0; border: 1px solid var(--line); background: var(--line); min-height: 60px; }
.dock { position: fixed; left: 0; right: 0; bottom: 0; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-top: 1px solid var(--line); z-index: 6; }
.dock .btn { width: 100%; max-width: 728px; display: block; margin: 0 auto; padding: 15px; font-size: 17px; border-radius: 12px; }
.dock .done { text-align: center; color: var(--ok); font-weight: 700; font-size: 17px; padding: 10px; }

/* 表单 */
label.f { display: block; margin: 12px 0; }
label.f > span { display: block; font-size: 14px; color: var(--sub); margin-bottom: 4px; }
input[type=text], input[type=password], input[type=date], input[type=search], input[type=tel], select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
textarea { min-height: 220px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--pri); outline-offset: -1px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label { display: flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 10px; padding: 7px 12px; background: var(--card); cursor: pointer; }
.checks input { width: 18px; height: 18px; accent-color: var(--pri); }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.thumbs figure { margin: 0; position: relative; width: 96px; }
.thumbs img { width: 96px; height: 96px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); display: block; }
.thumbs figcaption { display: flex; justify-content: space-between; }
.thumbs button { border: 0; background: none; cursor: pointer; padding: 2px 4px; color: var(--sub); }

/* 登录 */
.login { max-width: 380px; margin: 0 auto; padding: 12vh 16px 40px; }
.login .logo { width: 64px; height: 64px; display: block; margin: 0 auto 10px; }
.login h1 { text-align: center; font-size: 22px; margin: 0 0 4px; }

/* 管理端 */
.tabs { display: flex; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px; margin: 6px 0 4px; }
.tabs a { flex: 1; text-align: center; padding: 8px 6px; border-radius: 9px; text-decoration: none; color: var(--sub); font-weight: 600; font-size: 15px; white-space: nowrap; }
.tabs a.on { background: var(--pri-soft); color: var(--pri); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; color: var(--sub); font-weight: 600; font-size: 13px; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 10px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: var(--bg); }
.scroll { overflow-x: auto; }
.pct { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.pct .bar { flex: 1; }
.pct b { width: 42px; text-align: right; font-size: 13px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .cols { grid-template-columns: 1fr; } .hide-m { display: none; } }
.people { display: flex; flex-wrap: wrap; gap: 6px; }

/* 对话框 / 提示 */
dialog { border: 0; border-radius: 16px; padding: 18px; width: min(460px, calc(100vw - 32px)); background: var(--card); color: var(--ink); box-shadow: 0 20px 50px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(0,0,0,.4); }
#toast { position: fixed; left: 50%; top: 16px; transform: translateX(-50%) translateY(-80px); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 99px; transition: transform .2s; z-index: 50; font-size: 15px; max-width: calc(100vw - 32px); }
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.err { background: var(--bad); color: #fff; }

/* 文字颜色 */
.ok { color: var(--ok); } .warn { color: var(--warn); } .bad { color: var(--bad); }
.people a { font-size: 13px; padding: 3px 9px; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); color: inherit; text-decoration: none; }
.osel { width: auto; min-width: 140px; padding: 7px 10px; }

/* 员工代码 */
.codein { font-size: 26px !important; letter-spacing: 6px; text-align: center; text-transform: uppercase; font-family: ui-monospace, Menlo, monospace; }
.code { font-family: ui-monospace, Menlo, monospace; letter-spacing: 2px; font-weight: 700; }
.code.big { font-size: 26px; }
.codebox { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; justify-content: space-between; margin-top: 12px; padding: 12px; border-radius: 12px; background: var(--bg); }

/* 附件 */
.vbox { margin: 10px 0; }
.vbox video { width: 100%; border-radius: 10px; background: #000; max-height: 70vh; display: block; }
.filebtn { display: flex; gap: 12px; align-items: center; padding: 12px; margin: 10px 0; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: inherit; background: var(--bg); }
.filebtn b { display: block; }
.fi { font-size: 26px; width: 40px; height: 40px; display: grid; place-items: center; flex: none; }
.fi img { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; }
.frow { display: flex; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); }

/* 答题 */
.quiz .locked { margin-top: 10px; padding: 14px; border-radius: 10px; background: var(--warn-soft); color: var(--warn); }
.qq { margin-top: 14px; padding: 12px; border-radius: 12px; border: 1px solid var(--line); }
.qq.wrong { border-color: var(--bad); background: var(--bad-soft); }
.qt { font-weight: 600; margin-bottom: 6px; }
.opt { display: flex; gap: 10px; align-items: center; padding: 10px; border-radius: 10px; cursor: pointer; }
.opt:has(input:checked) { background: var(--pri-soft); }
.opt.right { background: var(--ok-soft); }
.opt input { width: 20px; height: 20px; accent-color: var(--pri); flex: none; }
.opt span:first-of-type { flex: 1; }
.qedit { border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 10px; }
.qedit > input { margin: 6px 0 8px; }
.oedit { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.right-pick { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--sub); white-space: nowrap; cursor: pointer; }
.right-pick input { width: 18px; height: 18px; accent-color: var(--ok); }
.right-pick:has(input:checked) { color: var(--ok); font-weight: 700; }