:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --border: #e3e8ef;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --success: #059669;
  --success-soft: #ecfdf5;
  --teal: #0d9488;
  --teal-soft: #f0fdfa;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.container { max-width: 1180px; margin: 0 auto; padding: 20px 16px 64px; }

/* ---------- 顶部 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 18px;
}
.brand { display: flex; align-items: baseline; gap: 10px; border-left: 4px solid var(--primary); padding-left: 12px; }
.brand h1 { font-size: 20px; margin: 0; font-weight: 650; letter-spacing: .3px; color: #0f172a; }
.brand .today { color: var(--muted); font-size: 13px; }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 按钮 ---------- */
button { font-family: inherit; font-size: 14px; cursor: pointer; }
.btn {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 7px 14px; border-radius: 8px; transition: .15s;
}
.btn:hover { border-color: #c7d2e1; background: #fafbfc; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-danger { color: var(--danger); border-color: #f4c7c7; }
.btn-danger:hover { background: var(--danger-soft); }
.btn-teal { background: var(--teal); border-color: var(--teal); color: #fff; }
.btn-teal:hover { background: #0f766e; border-color: #0f766e; }
.btn-sm { padding: 4px 10px; font-size: 13px; border-radius: 6px; }
.btn-link {
  border: none; background: none; color: var(--primary);
  padding: 4px 6px; font-size: 13px;
}
.btn-link:hover { text-decoration: underline; }
.btn-link.danger { color: var(--danger); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 15px; font-weight: 600; margin: 0 0 12px;
  display: flex; align-items: center; gap: 8px;
}
.card-title::before {
  content: ""; width: 4px; height: 15px; border-radius: 2px; background: var(--primary);
}
.card-bulk .card-title::before { background: var(--teal); }
.card-bulk { border-top: 3px solid var(--teal); }
.card-single {
  border-top: 3px solid var(--primary);
  border-color: #cfe0fb;
  background: #f0f7ff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, .09);
}
.card-single .card-title { color: #0c447c; }
.card-single .due-preview { background: #fff; }
.card-single .more-body { background: #fff; border-color: #cfe0fb; }
.card-single .hint { color: #5c6c85; }

/* ---------- 提醒横幅 ---------- */
.alert-bar {
  display: none; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--danger-soft); border: 1px solid #fbc9c9;
  color: #991b1b; border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px;
}
.alert-bar.show { display: flex; }
.alert-bar .ico { font-size: 18px; }
.alert-bar .txt { flex: 1; min-width: 200px; }
.alert-bar .plates { font-weight: 600; word-break: break-all; }

/* ---------- 统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-top: 3px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow);
}
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 24px; font-weight: 650; margin-top: 2px; }
.stat.total { border-top-color: var(--primary); }
.stat.total .value { color: var(--primary); }
.stat.pending { border-top-color: var(--warn); }
.stat.pending .value { color: var(--warn); }
.stat.alert { border-top-color: var(--danger); background: var(--danger-soft); }
.stat.alert .value { color: var(--danger); }
.stat.done { border-top-color: var(--success); }
.stat.done .value { color: var(--success); }

/* ---------- 表单 ---------- */
.form-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px;
}
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 13px; color: var(--muted); }
.field label .req { color: var(--danger); }
input[type="text"], input[type="date"], textarea, select {
  font-family: inherit; font-size: 14px; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
  background: #fff; width: 100%; outline: none; transition: .15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
textarea { resize: vertical; min-height: 62px; }
.hint { font-size: 12px; color: var(--muted); }
.form-foot { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }

.due-preview {
  margin: 10px 0 0; font-size: 13px; color: var(--muted);
  background: var(--primary-soft); border: 1px solid #d5e3fd; border-radius: 8px; padding: 8px 12px;
}
.due-preview b { color: var(--primary); font-size: 14px; }
.card-bulk .due-preview { background: var(--teal-soft); border-color: #b7e6df; }
.card-bulk .due-preview b { color: var(--teal); }
.due-preview.inline {
  display: inline-flex; align-items: center; height: 40px; padding: 0 12px;
  margin: 0; width: 100%; box-sizing: border-box; line-height: 1.6;
}

details.more { margin-top: 10px; }
details.more summary {
  cursor: pointer; color: var(--primary); font-size: 13px;
  list-style: none; display: inline-flex; align-items: center; gap: 5px; user-select: none;
}
details.more summary::-webkit-details-marker { display: none; }
details.more summary::before { content: "＋"; font-size: 13px; }
details.more[open] summary::before { content: "－"; }
.card-bulk details.more summary { color: var(--teal); }
.more-body { padding: 10px 12px; background: #fafbfc; border-radius: 8px; border: 1px dashed var(--border); }

/* ---------- 筛选 ---------- */
.toolbar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-bottom: 14px;
}
.toolbar .grow { flex: 1; min-width: 200px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button {
  border: none; background: #fff; padding: 7px 14px; color: var(--muted); font-size: 13px;
}
.seg button.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th {
  color: #1e40af; font-weight: 600; font-size: 13px; background: #eef4ff;
  border-bottom: 1px solid #d5e3fd;
}
tbody tr:nth-child(even) { background: #fbfcfe; }
tbody tr:hover { background: #f2f7ff; }
tbody tr.row-due { background: var(--danger-soft); }
tbody tr.row-due:hover { background: #fde8e8; }
td.plate { font-weight: 600; letter-spacing: .3px; font-size: 14.5px; color: #0f172a; }
td.plate::before {
  content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); margin-right: 7px; vertical-align: middle;
}
tr.row-due td.plate::before { background: var(--danger); }
td.wrap { white-space: normal; min-width: 120px; }
td.ops { white-space: nowrap; }

.pill {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 12px; border: 1px solid transparent;
}
.pill-pending { background: var(--primary-soft); color: var(--primary); border-color: #d5e3fd; }
.pill-due { background: var(--danger-soft); color: var(--danger); border-color: #fbc9c9; }
.pill-overdue { background: var(--danger); color: #fff; }
.pill-done { background: var(--success-soft); color: var(--success); border-color: #c3ebdd; }
.pill-future { background: #f3f4f6; color: var(--muted); border-color: #e5e7eb; }

.empty { text-align: center; color: var(--muted); padding: 36px 0; }

/* ---------- 模态框 ---------- */
.mask {
  position: fixed; inset: 0; background: rgba(17, 24, 39, .45);
  display: none; align-items: center; justify-content: center; padding: 20px; z-index: 50;
}
.mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 12px; width: 100%; max-width: 460px;
  padding: 20px; box-shadow: 0 20px 40px rgba(16, 24, 40, .18);
  max-height: 88vh; overflow-y: auto;
}
.modal h3 { margin: 0 0 14px; font-size: 16px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.modal .msg { margin: 0; color: var(--text); }

/* ---------- 节假日设置 ---------- */
.hol-sec { margin-bottom: 14px; }
.hol-sec h4 { margin: 0 0 8px; font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px;
  background: #f3f4f6; border: 1px solid var(--border); border-radius: 6px; padding: 3px 6px 3px 8px;
}
.chip button { border: none; background: none; color: var(--muted); padding: 0 2px; line-height: 1; }
.chip button:hover { color: var(--danger); }
.hol-add { display: flex; gap: 8px; align-items: center; }
.hol-add input { max-width: 160px; }

.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%) translateY(20px);
  background: #111827; color: #fff; padding: 10px 18px; border-radius: 8px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: .22s; z-index: 90;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .brand h1 { font-size: 18px; }
}