/* ─── Clickadu Dashboard — Clean Light v3 ─── */

:root {
  --bg: #f1f5f9;
  --bg-alt: #f8fafc;
  --surface: #ffffff;
  --surface-hover: #f8fafc;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.06);

  --text: #0f172a;
  --text-secondary: #475569;
  --text-dim: #94a3b8;
  --text-muted: #cbd5e1;

  --primary: #2563eb;
  --primary-light: rgba(37,99,235,0.08);
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --success-light: rgba(22,163,74,0.08);
  --warning: #d97706;
  --warning-light: rgba(217,119,6,0.08);
  --danger: #dc2626;
  --danger-light: rgba(220,38,38,0.08);
  --violet: #8b5cf6;

  --header-bg: #0f172a;
  --header-text: #f1f5f9;
  --header-muted: #64748b;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 10px;
  --radius-sm: 6px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ─── Header ─── */
.header {
  background: var(--header-bg);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-logo {
  width: 32px; height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}
.header h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--header-text);
  letter-spacing: -0.3px;
}
.header-sub {
  font-size: 12px;
  color: var(--header-muted);
  margin-top: 1px;
}
.tz-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--header-text);
  font-variant-numeric: tabular-nums;
}

/* ─── Container ─── */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 28px 40px;
}

/* ─── Filter Bar ─── */
.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow);
}
.filter-group { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-group .label { font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.filter-sep { color: var(--text-muted); user-select: none; }
.filter-actions { display: flex; gap: 8px; }
.filter-bar input[type="date"] {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}
.filter-bar input[type="date"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ─── Buttons ─── */
.btn {
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  font-family: var(--font);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost {
  background: var(--bg-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--border);
  color: var(--text);
}

/* ─── KPI Grid ─── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}
.kpi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-bottom: 4px;
}
.kpi-value.blue { color: var(--primary); }
.kpi-value.green { color: var(--success); }
.kpi-value.red { color: var(--danger); }
.kpi-value.gold { color: var(--warning); }
.kpi-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
}
.kpi-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.kpi-card:nth-child(1)::after { background: var(--primary); }
.kpi-card:nth-child(2)::after { background: var(--success); }
.kpi-card:nth-child(3)::after { background: var(--danger); }
.kpi-card:nth-child(4)::after { background: var(--success); }
.kpi-card:nth-child(5)::after { background: var(--warning); }
.kpi-card:nth-child(6)::after { background: var(--violet); }

/* ─── Cards ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}
.card-header h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-meta {
  font-size: 12px;
  color: var(--text-dim);
}

/* ─── Chart ─── */
.chart-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: 4px;
}
canvas#trendChart { display: block; height: 280px; }

/* ─── Tables ─── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  text-align: left;
  padding: 10px 10px;
  color: var(--text-dim);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom: 2px solid var(--border);
}
tbody td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}
tbody tr:hover td { background: var(--bg-alt); }
td.time-dim { color: var(--text-dim); font-size: 12px; }
td.num { font-weight: 600; text-align: right; font-family: var(--font-mono); font-size: 12px; }
td.num.green { color: var(--success); }
td.num.red { color: var(--danger); }

/* Badge */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.badge.running { background: var(--success-light); color: var(--success); }
.badge.stopped { background: var(--danger-light); color: var(--danger); }
.badge.testing { background: var(--warning-light); color: var(--warning); }
.badge.draft { background: var(--bg-alt); color: var(--text-dim); border: 1px solid var(--border); }

/* Bar in dim table */
.bar-cell { display: flex; align-items: center; gap: 10px; }
.bar-track {
  flex: 1; height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
  min-width: 60px;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--violet));
  border-radius: 4px;
  transition: width 0.6s ease;
}
.bar-label { font-size: 13px; font-weight: 600; font-family: var(--font-mono); min-width: 50px; text-align: right; color: var(--text-secondary); }

/* ─── Rules ─── */
.rule-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 8px;
}
.rule-item .ri-top { display: flex; justify-content: space-between; align-items: center; }
.rule-item .ri-offer { font-size: 13px; font-weight: 600; color: var(--text); }
.rule-item .ri-offer .ri-meta { font-weight: 400; color: var(--text-dim); font-size: 12px; }
.rule-item .ri-cond { font-size: 12px; color: var(--text-secondary); margin-top: 6px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.rule-item .ri-del {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 15px; padding: 2px 6px; border-radius: 4px;
  transition: all 0.15s;
}
.rule-item .ri-del:hover { background: var(--danger-light); color: var(--danger); }
.rule-empty { font-size: 13px; color: var(--text-dim); padding: 20px 0; text-align: center; }
.ri-and { font-size: 10px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }

.rule-form { margin-top: 14px; }
.rf-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
.rf-label { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }
.rule-form select, .rule-form input[type="number"] {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: var(--font);
  outline: none;
}
.rule-form select:focus, .rule-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.rule-toggle { margin-top: 12px; text-align: center; }

/* ─── WeChat ─── */
.wechat-row {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.wechat-row input {
  flex: 1; min-width: 220px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
}
.wechat-row input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.wechat-row input::placeholder { color: var(--text-muted); }
.wx-status { font-size: 12px; font-weight: 500; color: var(--success); white-space: nowrap; }

/* ─── Footer ─── */
.footer {
  text-align: center;
  padding: 24px 20px;
  color: var(--text-dim);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .container { padding: 14px 16px; }
  .header-inner { padding: 12px 16px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi-card { padding: 14px 12px; }
  .kpi-value { font-size: 20px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-group { justify-content: flex-start; }
  .filter-actions { justify-content: flex-start; }
  .card { padding: 16px; }
}