* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #1a73e8;
  --primary-dark: #1765c1;
  --danger: #d93025;
  --success: #188038;
  --warn: #e8710a;
  --bg: #f2f4f7;
  --card: #fff;
  --border: #dfe3e8;
  --text: #1f2933;
  --muted: #6b7280;
}
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
button { cursor: pointer; font-family: inherit; }

/* 顶栏 */
.topbar {
  background: #20242c;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 20px;
  height: 52px;
}
.topbar .logo { font-size: 16px; font-weight: 700; letter-spacing: 1px; }
.topbar .logo span { color: #ffc24b; }
.topbar nav { margin-left: 32px; display: flex; gap: 4px; }
.topbar nav a {
  color: #cbd2dc;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
}
.topbar nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.topbar nav a.active { color: #fff; background: var(--primary); }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; color: #cbd2dc; }
.topbar .right button {
  background: transparent; border: 1px solid #4b5563; color: #cbd2dc;
  padding: 5px 12px; border-radius: 6px; font-size: 13px;
}
.topbar .right button:hover { color: #fff; border-color: #9ca3af; }

.container { max-width: 1200px; margin: 24px auto; padding: 0 20px; }

/* 卡片与统计 */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 18px;
}
.card h2 { font-size: 16px; margin-bottom: 14px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px; text-align: center; cursor: pointer; transition: box-shadow .15s;
}
.stat:hover { box-shadow: 0 2px 10px rgba(0,0,0,.08); }
.stat .num { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat .num.warn { color: var(--warn); }
.stat .num.danger { color: var(--danger); }
.stat .num.success { color: var(--success); }
.stat .label { color: var(--muted); margin-top: 6px; font-size: 13px; }

/* 工具栏 */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.toolbar input, .toolbar select {
  border: 1px solid var(--border); border-radius: 6px; padding: 7px 10px; font-size: 13px; background: #fff;
}
.toolbar .spacer { flex: 1; }

/* 按钮 */
.btn {
  border: none; border-radius: 6px; padding: 8px 14px; font-size: 13px;
  background: var(--primary); color: #fff; transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn.ghost { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: #f3f4f6; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #b71c1c; }
.btn.success { background: var(--success); }
.btn.sm { padding: 4px 9px; font-size: 12px; border-radius: 5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 表格 */
table { width: 100%; border-collapse: collapse; background: #fff; font-size: 13px; }
th, td { border-bottom: 1px solid var(--border); padding: 9px 10px; text-align: left; }
th { background: #f8f9fb; font-weight: 600; color: #374151; white-space: nowrap; }
tr:hover td { background: #fafbfd; }
.num { text-align: right; white-space: nowrap; }
.empty { text-align: center; color: var(--muted); padding: 30px 0 !important; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.badge.pending { background: #fff4e5; color: var(--warn); }
.badge.approved { background: #e3f2fd; color: var(--primary); }
.badge.confirmed { background: #e6f4ea; color: var(--success); }
.badge.rejected { background: #fce8e6; color: var(--danger); }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 100;
}
.modal {
  background: #fff; border-radius: 12px; width: 100%; max-width: 560px; max-height: 85vh;
  overflow: auto; padding: 22px;
}
.modal h3 { font-size: 16px; margin-bottom: 16px; }
.modal .close { float: right; background: none; border: none; font-size: 20px; color: #999; line-height: 1; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13px; color: #374151; margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; font-size: 13px;
}
.field textarea { resize: vertical; min-height: 60px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.amount-preview {
  background: #f6f8fb; border: 1px dashed #c3cdd8; border-radius: 8px;
  padding: 10px 14px; font-size: 15px; color: #1f2933;
}
.amount-preview b { color: var(--success); }

/* 照片 */
.photos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.photos img { width: 64px; height: 64px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); cursor: zoom-in; }
.photos .add { width: 64px; height: 64px; border: 1px dashed #c3cdd8; border-radius: 6px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--muted); font-size: 11px; background: #fafbfc; }
.photos .add input { display: none; }

/* toast */
#toast {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  background: #333; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 13px;
  z-index: 200; opacity: 0; pointer-events: none; transition: opacity .2s;
}
#toast.show { opacity: 1; }

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #20242c, #374151); }
.login-card { background: #fff; border-radius: 14px; padding: 36px; width: 360px; box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.login-card .field { margin-bottom: 14px; }
.login-card .btn { width: 100%; padding: 10px; font-size: 15px; }

/* 工人签字页（公开） */
.sign-wrap { max-width: 720px; margin: 0 auto; padding: 20px; }
.sign-head { background: var(--primary); color: #fff; border-radius: 10px; padding: 18px 22px; margin-bottom: 16px; }
.sign-head h1 { font-size: 19px; }
.sign-head p { font-size: 13px; opacity: .85; margin-top: 6px; }
.sign-item { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; margin-bottom: 12px; }
.sign-item .row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; }
.sign-item .row .amt { font-size: 17px; font-weight: 700; color: var(--success); }
.sign-item .meta { color: var(--muted); font-size: 12px; line-height: 1.7; }
.sign-name { display: flex; gap: 10px; align-items: center; margin-top: 10px; }
.sign-name input { flex: 1; border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; font-size: 13px; }
.confirmed-box { background: #e6f4ea; color: var(--success); border-radius: 6px; padding: 8px 12px; font-size: 13px; margin-top: 10px; }
.rejected-box { background: #fce8e6; color: var(--danger); border-radius: 6px; padding: 8px 12px; font-size: 13px; margin-top: 10px; }
.sign-done { text-align: center; padding: 40px 0; color: var(--success); }
.sign-done .big { font-size: 40px; }
.pagination { display: flex; gap: 8px; justify-content: flex-end; align-items: center; margin-top: 12px; font-size: 13px; color: var(--muted); }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs button { border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 8px 16px; font-size: 13px; }
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.muted { color: var(--muted); font-size: 12px; }
.actions-cell { white-space: nowrap; }
.actions-cell button { margin-right: 4px; }