/* 培训签到工具 —— 全局样式
   约定：所有颜色只在这里以 CSS 变量定义，其它地方一律引用变量，不写死色值。 */

:root {
  /* 中性色 */
  --bg: #f4f6fb;
  --bg-accent: #e9effb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --text: #1f2733;
  --text-soft: #667085;
  --text-faint: #98a2b3;
  --border: #e4e8f0;

  /* 品牌与语义色 */
  --brand: #2f6fed;
  --brand-dark: #1e56c8;
  --brand-soft: #eaf1fe;
  --ok: #0f9d67;
  --ok-soft: #e7f7f0;
  --warn: #b45309;
  --warn-soft: #fdf3e3;
  --danger: #cf3b3b;
  --danger-soft: #fdecec;

  --radius-lg: 18px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
  --shadow-pop: 0 12px 32px rgba(16, 24, 40, .14);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -.01em; }

/* ============================================================ 参与者端 */

.page-sign {
  background:
    radial-gradient(1100px 520px at 50% -12%, var(--brand-soft), transparent 70%),
    var(--bg);
  min-height: 100vh;
}

.sign-wrap {
  max-width: 460px;
  margin: 0 auto;
  padding: 40px 18px 48px;
}

.sign-head { text-align: center; margin-bottom: 26px; }

.sign-badge {
  display: inline-block;
  transform: rotate(-1.5deg);
  background: var(--brand);
  color: var(--surface);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  padding: 5px 14px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(47, 111, 237, .28);
}

.sign-title {
  margin: 18px 0 8px;
  font-size: 27px;
  line-height: 1.32;
}

.sign-sub {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 22px;
}

.sign-form { padding: 26px 22px 22px; }

.field { display: block; margin-bottom: 18px; }

.field-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 7px;
}

.field-label em {
  font-style: normal;
  color: var(--danger);
  font-size: 12px;
  font-weight: 500;
  margin-left: 4px;
}

.input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;      /* 16px 以上可避免 iOS 聚焦时页面缩放 */
  font-family: inherit;
  color: var(--text);
  background: var(--surface-soft);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .18s, background .18s, box-shadow .18s;
}

.input::placeholder { color: var(--text-faint); }

.input:focus {
  background: var(--surface);
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.input-lg { padding: 15px 16px; font-size: 18px; font-weight: 600; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .18s, border-color .18s, transform .06s;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--brand); color: var(--surface); }
.btn-primary:hover { background: var(--brand-dark); }

.btn-ghost {
  background: var(--surface);
  color: var(--text-soft);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface-soft); color: var(--text); }

.btn-danger-ghost {
  background: var(--surface);
  color: var(--danger);
  border-color: var(--border);
}
.btn-danger-ghost:hover { background: var(--danger-soft); }

.btn-block { width: 100%; padding: 15px; font-size: 17px; }

.form-hint {
  margin: 14px 0 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-faint);
}

/* 结果页 */

.result-wrap {
  max-width: 460px;
  margin: 0 auto;
  padding: 64px 18px 48px;
  text-align: center;
}

.result-icon {
  width: 86px;
  height: 86px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  line-height: 1;
}

.result-icon.is-ok { background: var(--ok-soft); color: var(--ok); }
.result-icon.is-info { background: var(--brand-soft); color: var(--brand); }
.result-icon.is-warn { background: var(--warn-soft); color: var(--warn); }
.result-icon.is-error { background: var(--danger-soft); color: var(--danger); }

.result-title { font-size: 24px; margin-bottom: 10px; }
.result-desc { color: var(--text-soft); margin: 0 0 24px; }

.result-card {
  padding: 20px;
  text-align: left;
  margin-bottom: 26px;
}

.result-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.result-line:last-child { border-bottom: none; }
.result-line span { color: var(--text-soft); }
.result-line strong { font-size: 17px; font-weight: 700; }

.result-seq { color: var(--brand); }

/* 结果页：分组（对领导的告知，字号给足、留白给够） */

.result-greet {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.group-hero {
  background: linear-gradient(160deg, var(--brand-soft), var(--surface) 78%);
  border: 1.5px solid var(--brand);
  border-radius: var(--radius-lg);
  padding: 22px 20px 24px;
  margin: 0 0 22px;
  box-shadow: 0 10px 26px rgba(47, 111, 237, .12);
}

.group-hero-label {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--text-soft);
  margin-bottom: 10px;
}

.group-hero-value {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--brand-dark);
  font-variant-numeric: tabular-nums;
}

.result-thanks {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.group-members { text-align: left; margin-bottom: 24px; }
.group-members > summary { font-size: 14.5px; }
.member-list {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}

/* 结果页：现场座位指引图
   整张图是内联 SVG，颜色一律引用变量，浅色/深色下都看得清。 */

.seat-card { text-align: left; margin-bottom: 24px; }
.seat-body { padding-top: 6px; }

.seat-svg {
  display: block;
  width: 100%;
  height: auto;
  font-family: inherit;
}

.seat-stage { fill: var(--bg-accent); stroke: var(--border); }

.seat-stage-text {
  fill: var(--text-soft);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .18em;
  text-anchor: middle;
}

.seat-cell { fill: var(--surface-soft); stroke: var(--border); }

.seat-text {
  fill: var(--text-soft);
  font-size: 18px;
  font-weight: 700;
  text-anchor: middle;
  font-variant-numeric: tabular-nums;
}

/* 高亮格 = 您的位置 */
.seat-item.is-current .seat-cell { fill: var(--brand); stroke: var(--brand-dark); }
.seat-item.is-current .seat-text { fill: var(--surface); }

.seat-legend {
  margin: 4px 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-soft);
}

.seat-legend-dot {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  border-radius: 5px;
  background: var(--brand);
}

.seat-legend strong { color: var(--brand-dark); }

.seat-note {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--text-faint);
}

.notice {
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14px;
  text-align: left;
  margin-bottom: 22px;
}
.notice-warn { background: var(--warn-soft); color: var(--warn); }
.notice-error { background: var(--danger-soft); color: var(--danger); }
.notice-info { background: var(--brand-soft); color: var(--brand-dark); }

/* ============================================================ 管理台 */

.admin-top {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.admin-brand { font-size: 17px; font-weight: 700; }
.admin-brand small { color: var(--text-faint); font-weight: 500; margin-left: 8px; }
.admin-top-link { font-size: 14px; color: var(--text-soft); margin-left: 18px; }

.admin-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 18px 60px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.card h2 { font-size: 16px; }

.alert {
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
}
.alert-warn { background: var(--warn-soft); color: var(--warn); }
.alert-ok { background: var(--ok-soft); color: var(--ok); }

.activity-switch { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--surface-soft);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.chip:hover { border-color: var(--brand); text-decoration: none; }
.chip-active { background: var(--brand-soft); border-color: var(--brand); color: var(--brand-dark); }
.chip-num {
  background: var(--surface);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 1px 9px;
  font-size: 12.5px;
}
.chip-tag {
  background: var(--warn-soft);
  color: var(--warn);
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 600;
}
.chip-new { border-style: dashed; color: var(--text-soft); }

.admin-grid {
  display: grid;
  grid-template-columns: minmax(300px, 380px) 1fr;
  gap: 18px;
  align-items: start;
}

@media (max-width: 780px) {
  .admin-grid { grid-template-columns: 1fr; }
}

.qr-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-box img { width: 100%; max-width: 240px; height: auto; display: block; }

.qr-hint {
  text-align: center;
  color: var(--text-soft);
  font-size: 13.5px;
  margin: 14px 0 16px;
}

.link-row { display: flex; gap: 8px; margin-bottom: 12px; }
.link-row .input { font-size: 13.5px; padding: 10px 12px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-row .btn { flex: 1 1 auto; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 560px) {
  .stat-grid { grid-template-columns: 1fr; }
}

.stat {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.stat-label { font-size: 13px; color: var(--text-soft); }
.stat-value {
  font-size: 30px;
  font-weight: 750;
  line-height: 1.25;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}
.stat-value.is-plain { font-size: 17px; color: var(--text); font-weight: 600; }

.table-wrap { overflow-x: auto; margin: 0 -6px; }

.table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.table th {
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
  padding: 9px 10px;
  border-bottom: 1.5px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr:hover { background: var(--surface-soft); }
.table .col-seq { width: 62px; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.table .col-time { color: var(--text-soft); white-space: nowrap; font-variant-numeric: tabular-nums; }
.table .col-name { font-weight: 600; }
.table .col-act { width: 72px; text-align: right; }
.table .col-group { white-space: nowrap; font-weight: 600; color: var(--brand-dark); }
.table .col-num { width: 68px; text-align: right; font-variant-numeric: tabular-nums; }
.table .col-bar { width: 160px; }

/* 出勤进度条 */
.bar {
  background: var(--bg-accent);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  background: var(--brand);
  border-radius: 999px;
  transition: width .3s ease;
}
.bar-fill.is-full { background: var(--ok); }

/* 名单外的签到：标出来，方便管理员一眼看见并处理 */
.tag-out {
  display: inline-block;
  background: var(--warn-soft);
  color: var(--warn);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 12.5px;
  font-weight: 600;
}
.text-warn { color: var(--warn); }

.textarea { resize: vertical; line-height: 1.7; font-size: 14.5px; }

.import-box { border-top: 1px solid var(--border); margin-top: 18px; padding-top: 14px; }
.import-box > summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 14.5px;
  list-style: none;
  color: var(--text-soft);
}
.import-box > summary::-webkit-details-marker { display: none; }
.import-box > summary::before { content: "▸ "; color: var(--text-faint); }
.import-box[open] > summary::before { content: "▾ "; }
.import-box[open] > summary { margin-bottom: 16px; color: var(--text); }
.form-hint-left { text-align: left; }

.row-new { animation: fade-in .5s ease; }
@keyframes fade-in {
  from { background: var(--brand-soft); }
  to { background: transparent; }
}

.empty {
  padding: 42px 12px;
  text-align: center;
  color: var(--text-faint);
  font-size: 14.5px;
}

.tag-line { font-size: 13.5px; color: var(--text-soft); margin: 0 0 12px; }
.tag-closed { color: var(--warn); font-weight: 600; font-size: 14px; margin: 12px 0 0; }

.link-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 14px;
  color: var(--danger);
  cursor: pointer;
}
.link-btn:hover { text-decoration: underline; }

details.card { padding: 0; overflow: hidden; }
details.card > summary {
  padding: 16px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
}
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::before { content: "▸ "; color: var(--text-faint); }
details.card[open] > summary::before { content: "▾ "; }
details.card > .details-body {
  padding: 0 22px 22px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  align-items: end;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  color: var(--text-soft);
  cursor: pointer;
}
.check input { width: 17px; height: 17px; accent-color: var(--brand); }

.hint-text { font-size: 13px; color: var(--text-faint); margin: 8px 0 0; }
.danger-zone { border-top: 1px solid var(--border); margin-top: 18px; padding-top: 16px; }

/* 登录页 */
.login-wrap { max-width: 380px; margin: 0 auto; padding: 90px 18px 40px; }
.login-title { font-size: 22px; text-align: center; margin-bottom: 6px; }
.login-sub { text-align: center; color: var(--text-soft); font-size: 14px; margin: 0 0 24px; }

/* 新建活动的折叠框：summary 就是那颗虚线 chip */
.new-activity-box > summary { list-style: none; }
.new-activity-box > summary::-webkit-details-marker { display: none; }
.new-activity-box > form { margin-top: 14px; box-shadow: none; background: var(--surface-soft); }

/* 打印：只留二维码 */
@media print {
  body { background: var(--surface); }
  .admin-top, .alert, .activity-switch, .card-head, .qr-hint, .link-row,
  .btn-row, .no-print { display: none !important; }
  .admin-main > .card:not(.print-area),
  .admin-main > details,
  .admin-main > .admin-grid > *:not(.print-area) { display: none !important; }
  .admin-grid { display: block; }
  .card { border: none; box-shadow: none; padding: 0; }
  .print-area { display: block !important; }
  .print-area::before {
    content: "扫码签到";
    display: block;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
  }
  .qr-box { border: none; }
  .qr-box img { max-width: 420px; }
}