/* 票据查询系统 · 管理后台样式
   设计规范：浅色面 #fcfcfb、页面底 #f9f9f7、主墨色 #0b0b0b、次墨色 #52514e
   主色蓝 #2a78d6；状态色仅用于成功/错误提示（图标+文字，不单靠颜色） */
:root {
  --surface: #fcfcfb;
  --plane: #f9f9f7;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #898781;
  --line: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-dark: #1c5cab;
  --success: #006300;
  --critical: #d03b3b;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", sans-serif;
  background: var(--plane);
  color: var(--ink);
  min-height: 100vh;
}

/* ---------- 顶栏 ---------- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 28px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar .brand { font-size: 17px; font-weight: 700; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
  color: var(--ink-2);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 14px;
}
.topbar nav a:hover { background: rgba(11, 11, 11, 0.05); }
.topbar nav a.active { color: var(--accent-dark); background: #e7f0fb; font-weight: 600; }
.topbar .user { color: var(--ink-2); font-size: 14px; }

/* ---------- 布局 ---------- */
.container { max-width: 1240px; margin: 0 auto; padding: 24px 28px 48px; }

/* ---------- 统计卡片 ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .label { font-size: 13px; color: var(--ink-2); }
.stat-card .value {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

/* ---------- 工具栏 ---------- */
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}
.toolbar .spacer { flex: 1; }
.search-input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  width: 240px;
  background: var(--surface);
  color: var(--ink);
}
.search-input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ---------- 按钮 ---------- */
.btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  white-space: nowrap;
}
.btn:hover { background: rgba(11, 11, 11, 0.04); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.danger { color: var(--critical); border-color: rgba(208, 59, 59, 0.35); }
.btn.danger:hover { background: #fdf0f0; }
.btn.small { padding: 4px 10px; font-size: 13px; }

/* ---------- 表格 ---------- */
.table-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); }
th { color: var(--ink-2); font-weight: 600; font-size: 13px; background: rgba(11, 11, 11, 0.02); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(42, 120, 214, 0.04); }
td.num, th.num { font-variant-numeric: tabular-nums; }
td .amount { font-weight: 600; font-variant-numeric: tabular-nums; }
td .muted { color: var(--ink-3); font-size: 13px; }
.qr-thumb { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 6px; cursor: zoom-in; display: block; }

/* ---------- 分页 ---------- */
.pagination { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 14px 16px; }
.pagination .info { color: var(--ink-2); font-size: 13px; margin-right: auto; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(11, 11, 11, 0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal {
  background: var(--surface);
  border-radius: 12px;
  width: min(560px, 92vw);
  max-height: 88vh;
  overflow: auto;
  padding: 24px;
}
.modal h3 { font-size: 17px; margin-bottom: 18px; }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 5px; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
}
.form-row input:focus, .form-row textarea:focus {
  outline: 2px solid var(--accent); outline-offset: -1px;
}
.form-row .hint { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* ---------- 二维码弹窗 ---------- */
.qr-preview { text-align: center; }
.qr-preview img { width: 260px; height: 260px; border: 1px solid var(--line); border-radius: 8px; }
.qr-preview .qr-content {
  margin: 16px auto 0;
  max-width: 420px;
  font-size: 12px;
  color: var(--ink-2);
  background: var(--plane);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

/* ---------- 提示消息 ---------- */
.msg { padding: 10px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 14px; display: none; }
.msg.ok { display: block; background: #e8f5e8; color: var(--success); border: 1px solid rgba(0, 99, 0, 0.25); }
.msg.err { display: block; background: #fdecec; color: var(--critical); border: 1px solid rgba(208, 59, 59, 0.25); }
.msg.ok::before { content: "✓ "; font-weight: 700; }
.msg.err::before { content: "✕ "; font-weight: 700; }

/* ---------- 批量导入结果 ---------- */
.batch-result { margin-top: 12px; font-size: 13px; max-height: 200px; overflow: auto; }
.batch-result .fail-line { color: var(--critical); }
.batch-result .ok-line { color: var(--success); }

/* ---------- 登录页 ---------- */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 36px 32px;
  width: min(380px, 92vw);
}
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 6px; }
.login-card .sub { text-align: center; color: var(--ink-2); font-size: 13px; margin-bottom: 24px; }
.login-card .btn { width: 100%; margin-top: 6px; padding: 10px; }