:root {
  --page-bg: #f4f5f7;
  --card-bg: #eef0f4;
  --surface: #ffffff;
  --ink-primary: #14162b;
  --ink-secondary: #565973;
  --ink-muted: #8b8ea3;
  --accent: #363b8c;
  --accent-dark: #262a66;
  --badge-bg: #363b8c;
  --gridline: #e3e4ea;
  --series-1: #2a78d6;
  --series-2: #1baf7a;
  --series-3: #eda100;
  --series-4: #4a3aa7;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page-bg);
  color: var(--ink-primary);
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 0 0 24px;
}

/* --- Filters --- */

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.filters select,
.filters input[type="text"],
.filters input[type="date"] {
  border: none;
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 9px 12px;
  font-size: 14px;
  color: var(--ink-primary);
  min-width: 160px;
}

.filters select:focus,
.filters input:focus {
  outline: 2px solid var(--accent);
}

.btn-refresh {
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent-dark);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 18px;
  cursor: pointer;
}

.btn-refresh:disabled {
  opacity: 0.6;
  cursor: default;
}

.btn-refresh:hover:not(:disabled) {
  background: var(--accent);
}

.btn-secondary {
  border: none;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 14px;
  padding: 9px 14px;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #e6e8f0;
}

.sync-indicator {
  font-size: 13px;
  color: var(--ink-muted);
  margin-left: auto;
}

/* --- Modal --- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 22, 43, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal {
  background: var(--page-bg);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  width: 440px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}

.modal-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-primary);
}

.modal-hint {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--ink-secondary);
}

.modal-label {
  display: block;
  font-size: 13px;
  color: var(--ink-secondary);
  margin: 12px 0 6px;
}

.modal input[type="text"],
.modal input[type="password"] {
  width: 100%;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--ink-primary);
}

.modal input:focus {
  outline: 2px solid var(--accent);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.btn-plain {
  border: none;
  background: transparent;
  color: var(--ink-secondary);
  font-size: 14px;
  padding: 10px 14px;
  cursor: pointer;
}

.modal-error {
  color: #c0392b;
  font-size: 13px;
  margin-top: 8px;
  min-height: 16px;
}

.modal select {
  border: none;
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 6px 8px;
  font-size: 13px;
  color: var(--ink-primary);
}

#mappingTable td {
  vertical-align: middle;
}

/* --- Speaker header --- */

.speaker-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.speaker-photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--badge-bg);
  flex-shrink: 0;
}

.speaker-name {
  font-weight: 700;
  font-size: 17px;
  color: var(--ink-primary);
}

.speaker-title {
  font-size: 14px;
  color: var(--ink-secondary);
}

/* --- Cards grid --- */

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 800px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 0 0 14px;
}

.chart-wrap {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 12px;
  height: 260px;
}

/* --- Tables --- */

.table-card {
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  color: var(--ink-muted);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1px solid var(--gridline);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 1;
  user-select: none;
}

thead th[data-sort] {
  cursor: pointer;
  white-space: nowrap;
}

thead th[data-sort]:hover {
  color: var(--ink-secondary);
}

.sort-arrow {
  font-size: 10px;
  margin-left: 4px;
  color: var(--accent);
}

tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--gridline);
  font-variant-numeric: tabular-nums;
  color: var(--ink-primary);
}

tbody tr:last-child td {
  border-bottom: none;
}

tfoot td {
  padding: 8px 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink-primary);
  background: var(--surface);
  position: sticky;
  bottom: 0;
  border-top: 1px solid var(--gridline);
}

.table-scroll {
  overflow-x: auto;
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 4px 8px;
}

/* Показываем ~7 строк данных, остальное — вертикальный скролл;
   заголовок и строка "Итого" остаются на месте (sticky). */
.table-scroll-v {
  max-height: 322px;
  overflow-y: auto;
}

.empty-state {
  color: var(--ink-muted);
  font-size: 14px;
  padding: 24px;
  text-align: center;
}