:root {
  --bg: #f4f6fa;
  --panel: #fff;
  --text: #1a1f2e;
  --muted: #6b7280;
  --line: #e8ebf0;
  --primary: #e60012;
  --primary-dark: #c40010;
  --primary-soft: #fff1f2;
  --sidebar: #141824;
  --sidebar-2: #1c2233;
  --sidebar-text: #b8c0d0;
  --success: #059669;
  --error: #dc2626;
  --shadow: 0 12px 40px rgba(20, 24, 36, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.login-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 15%, rgba(99, 102, 241, 0.08), transparent 40%),
    radial-gradient(circle at 80% 85%, rgba(59, 130, 246, 0.06), transparent 38%),
    linear-gradient(160deg, #0f1419 0%, #151b24 42%, #171c26 100%);
}

.login-card {
  position: relative;
  width: min(440px, 100%);
  background: rgba(255, 255, 255, 0.98);
  border-radius: 20px;
  padding: 32px 32px 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 4px;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(90deg, var(--primary), #ff6b6b);
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 20px rgba(230, 0, 18, 0.35);
}

.brand-logo.sm {
  width: 40px;
  height: 40px;
  font-size: 18px;
  border-radius: 11px;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.brand-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
}

.login-card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.field-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.login-actions { margin-top: 18px; }

.login-foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

/* Dashboard shell */
.dashboard {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, var(--sidebar) 0%, #0f121a 100%);
  color: var(--sidebar-text);
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 14px;
}

.sidebar-brand strong {
  display: block;
  color: #fff;
  font-size: 15px;
}

.sidebar-brand span {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: #8b95a8;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(230, 0, 18, 0.22), rgba(230, 0, 18, 0.08));
  color: #fff;
  box-shadow: inset 3px 0 0 var(--primary);
}

.sidebar-foot {
  margin-top: auto;
  padding: 12px 10px 4px;
  font-size: 11px;
  color: #6f788a;
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(230, 0, 18, 0.06);
}

.topbar h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.content {
  padding: 20px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-view { display: none; flex-direction: column; gap: 16px; }
.page-view.active { display: flex; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

label.toggle-row,
label.check-row {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 13px;
  margin: 0;
}

label.toggle-row input,
label.check-row input { width: auto; margin: 0; accent-color: var(--primary); }

.options-box {
  margin-top: 12px;
  padding: 14px 16px;
  background: #fafbfc;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 12px;
  font: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: rgba(230, 0, 18, 0.45);
  box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.1);
}

textarea { min-height: 120px; resize: vertical; }

.btn {
  border: 0;
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  line-height: 1.2;
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
}

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

.btn-sm { padding: 6px 10px; font-size: 12px; }

.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(230, 0, 18, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 8px 20px rgba(230, 0, 18, 0.34);
}

.btn-ghost {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-ghost:hover { background: #fafbfc; }

.btn-danger {
  background: #fee2e2;
  color: var(--error);
}

.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* Overview */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #ff8a8a);
}

.stat strong {
  display: block;
  font-size: 26px;
  margin-top: 8px;
  font-weight: 700;
  color: var(--text);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.status-list, .trend-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

.status-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: #f8fafc;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.status-item strong.ok { color: var(--success); }
.status-item strong.bad { color: var(--error); }

.failure-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.failure-row:last-child { border-bottom: 0; }

.failure-row .reason {
  flex: 1;
  color: #9f1239;
  word-break: break-word;
}

.trend-row {
  display: grid;
  grid-template-columns: 96px 1fr 72px;
  gap: 10px;
  align-items: center;
  font-size: 13px;
  padding: 6px 0;
}

.trend-bar-wrap {
  height: 10px;
  background: #eceff4;
  border-radius: 999px;
  overflow: hidden;
  display: flex;
}

.trend-bar-success { background: #34d399; }
.trend-bar-failed { background: #f87171; }

.cell-empty { color: var(--muted); }

/* Logs */
.log-box {
  background: linear-gradient(180deg, #0f172a, #111827);
  color: #e2e8f0;
  border-radius: 12px;
  padding: 14px;
  min-height: 260px;
  max-height: 420px;
  overflow: auto;
  font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
  border: 1px solid #1f2937;
}

.log-success { color: #34d399; }
.log-error { color: #f87171; }
.log-warn { color: #fbbf24; }
.log-info { color: #cbd5e1; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }

.orders-card { padding: 0; overflow: hidden; box-shadow: var(--shadow); }
.orders-card .table-wrap { overflow-x: auto; }
.orders-table { min-width: 980px; }

.orders-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafc;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.orders-table tbody td {
  padding: 11px 12px;
  vertical-align: middle;
  line-height: 1.45;
}

.orders-table tbody tr:hover { background: #fff8f8; }
.orders-table tbody tr:last-child td { border-bottom: 0; }

.orders-table .col-time { width: 118px; white-space: nowrap; font-size: 12px; color: var(--muted); }
.orders-table .col-source { width: 56px; }
.orders-table .col-status { width: 72px; }
.orders-table .col-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; word-break: break-all; }
.orders-table .col-name { width: 72px; white-space: nowrap; }
.orders-table .col-phone { width: 108px; white-space: nowrap; font-variant-numeric: tabular-nums; }

.orders-table .col-error {
  min-width: 220px;
  max-width: 320px;
  color: #9f1239;
  font-size: 12px;
}

.orders-table .col-error .error-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.orders-table .col-error.is-empty { color: var(--muted); }
.orders-table .col-actions { width: 112px; white-space: nowrap; }
.orders-table .cell-actions { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }

.table-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: #fafbfc;
}

.page-info { color: var(--muted); font-size: 13px; min-width: 120px; text-align: center; }
.save-hint { font-size: 12px; color: var(--success); align-self: center; }
.save-hint.error { color: var(--error); }

.source-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 600;
}

.source-tag.manual { background: #f5f3ff; color: #6d28d9; }

.orders-empty td {
  text-align: center;
  color: var(--muted);
  padding: 40px 12px !important;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
  font-weight: 600;
}

.tag-success { background: #dcfce7; color: var(--success); }
.tag-error { background: #fee2e2; color: var(--error); }

#autoPollStatus {
  background: #fafbfc !important;
  border: 1px dashed var(--line) !important;
  border-radius: 12px !important;
}

@media (max-width: 960px) {
  .dashboard { grid-template-columns: 1fr; }
  .sidebar {
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
  .sidebar-brand { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; flex: unset; }
  .sidebar-foot { display: none; }
  .nav-item { white-space: nowrap; width: auto; }
  .grid, .stats-grid { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
}