/*
 * BRQ Dashboard — общий стиль.
 *
 * Палитра — валидированный набор из скилла dataviz (references/palette.md),
 * проверен `scripts/validate_palette.js` (CVD-разделение, контраст, светлота).
 * Онлайн/офлайн — два стабильных цвета, одинаковые во всех графиках и в KPI.
 */

:root {
  color-scheme: light dark;

  --surface-1: #fcfcfb;
  --page-plane: #f9f9f7;
  --card-border: rgba(11, 11, 11, 0.10);
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid-line: #e1e0d9;
  --baseline: #c3c2b7;

  --color-online: #2a78d6;
  --color-offline: #1baf7a;
  --color-refund: #d03b3b;
  --color-good: #006300;
  --color-bad: #d03b3b;

  /* Способы оплаты — категориальные цвета, не пересекаются с online/offline/refund. */
  --pm-1: #eda100;
  --pm-2: #008300;
  --pm-3: #4a3aa7;
  --pm-4: #e87ba4;
  --pm-5: #eb6834;
  --pm-6: #52514e;

  --focus-ring: #2a78d6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-1: #1a1a19;
    --page-plane: #0d0d0d;
    --card-border: rgba(255, 255, 255, 0.10);
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid-line: #2c2c2a;
    --baseline: #383835;

    --color-online: #3987e5;
    --color-offline: #199e70;
    --color-refund: #e66767;
    --color-good: #0ca30c;
    --color-bad: #e66767;

    --pm-1: #c98500;
    --pm-2: #008300;
    --pm-3: #9085e9;
    --pm-4: #d55181;
    --pm-5: #d95926;
    --pm-6: #c3c2b7;
  }
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--page-plane);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  min-height: 100%;
}

a { color: var(--color-online); }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.5rem;
  background: var(--surface-1);
  border-bottom: 1px solid var(--card-border);
}

.brand {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.main-nav {
  display: flex;
  gap: 0.4rem;
}

.nav-link {
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
}

.nav-link:hover {
  background: var(--card-border);
}

.nav-link.is-active {
  background: var(--color-online);
  color: #fff;
}

/* --- Buttons ------------------------------------------------------------ */

button {
  font-family: inherit;
  font-size: 0.95rem;
}

.btn {
  cursor: pointer;
  padding: 0.55rem 1rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--color-online);
  color: #fff;
  font-weight: 600;
  line-height: 1.2;
}

.btn:hover { filter: brightness(0.92); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--card-border);
}

.btn-ghost:hover {
  background: var(--card-border);
  filter: none;
}

.btn-secondary {
  background: var(--surface-1);
  color: var(--text-primary);
  border-color: var(--card-border);
}

.btn-secondary:hover { filter: none; background: var(--card-border); }

/* Toggle groups (пресеты периода, гранулярность). */
.toggle-group {
  display: inline-flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.toggle-btn {
  cursor: pointer;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--surface-1);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.88rem;
}

.toggle-btn:hover { background: var(--card-border); }

.toggle-btn[aria-pressed="true"] {
  background: var(--color-online);
  border-color: var(--color-online);
  color: #fff;
}

/* --- Cards / panels ------------------------------------------------------ */

.card {
  background: var(--surface-1);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
}

.card h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-subtitle {
  margin: -0.5rem 0 0.85rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Filters -------------------------------------------------------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin: 1.1rem 0 1.35rem;
}

.filters-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
}

.date-range {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.date-range input[type="date"] {
  font-family: inherit;
  font-size: 0.88rem;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  background: var(--surface-1);
  color: var(--text-primary);
}

.filter-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 0.15rem;
}

/* --- KPI tiles ------------------------------------------------------------ */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}

.kpi-tile .kpi-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.kpi-tile .kpi-value {
  margin-top: 0.3rem;
  font-size: 1.65rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.kpi-tile .kpi-delta {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.kpi-delta.is-up { color: var(--color-good); }
.kpi-delta.is-down { color: var(--color-bad); }
.kpi-delta.is-flat { color: var(--text-muted); }

.kpi-tile .kpi-caption {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.kpi-tile .kpi-caption .dot-online::before,
.kpi-tile .kpi-caption .dot-offline::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.3rem;
}

.kpi-caption .dot-online::before { background: var(--color-online); }
.kpi-caption .dot-offline::before { background: var(--color-offline); }

/* --- Charts grid ------------------------------------------------------------ */

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.chart-card { grid-column: span 1; }
.chart-card.span-2 { grid-column: span 2; }

.chart-wrap {
  position: relative;
  height: 260px;
}

.chart-wrap.chart-wrap-tall { height: 320px; }

/* Легенда online/offline, общая для графиков раздела. */
.legend-inline {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.legend-inline .legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}

/* --- Table ------------------------------------------------------------------ */

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--grid-line);
}

.data-table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.data-table td.num,
.data-table th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --- States: loading / empty / error ---------------------------------------- */

.state-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2.5rem 1rem;
  text-align: center;
  color: var(--text-secondary);
}

.spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--card-border);
  border-top-color: var(--color-online);
  animation: brq-spin 0.8s linear infinite;
}

@keyframes brq-spin {
  to { transform: rotate(360deg); }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--card-border) 25%,
    var(--grid-line) 37%,
    var(--card-border) 63%
  );
  background-size: 400% 100%;
  animation: brq-shimmer 1.4s ease infinite;
  border-radius: 8px;
}

@keyframes brq-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.skeleton-kpi { height: 92px; }
.skeleton-chart { height: 260px; }

.error-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  background: #fdecea;
  color: #a01b1b;
  margin-bottom: 1rem;
}

@media (prefers-color-scheme: dark) {
  .error-banner {
    background: rgba(224, 90, 90, 0.14);
    color: #f0a3a3;
  }
}

.error-banner p { margin: 0; font-weight: 600; }

.hidden { display: none !important; }

/* --- Login page (лёгкая правка под общий стиль) ------------------------------ */

.login-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface-1);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 2rem;
}

.login-card h1 {
  margin: 0 0 1.25rem;
  font-size: 1.3rem;
}

.login-card label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.login-card input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.65rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--surface-1);
  color: var(--text-primary);
}

.login-card .btn { width: 100%; margin-top: 0.25rem; }

.login-error {
  margin: 0 0 1rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  background: #fdecea;
  color: #a01b1b;
  font-size: 0.92rem;
}

.login-info {
  margin: 0 0 1rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  background: var(--card-border);
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* --- Settings page -------------------------------------------------------- */

#settings-root h2 {
  margin: 0 0 0.25rem;
}

.settings-sections {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-top: 1rem;
}

.settings-sections .card h2 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.settings-sections .card h3 {
  margin: 0 0 0.7rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Success/error banners after redirects (?saved=1, ?cleared=..., смена пароля). */
.banner {
  padding: 0.8rem 1.1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.banner-success {
  background: rgba(27, 175, 122, 0.14);
  color: #0b6b43;
}

.banner-error {
  background: #fdecea;
  color: #a01b1b;
}

@media (prefers-color-scheme: dark) {
  .banner-success {
    background: rgba(27, 175, 122, 0.18);
    color: #7be6bd;
  }

  .banner-error {
    background: rgba(224, 90, 90, 0.14);
    color: #f0a3a3;
  }
}

/* Forms (ключи подключения, смена пароля). */
.settings-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 560px;
}

.field-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-row label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.field-control {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.settings-form input[type="text"],
.settings-form input[type="password"] {
  flex: 1;
  min-width: 220px;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: var(--surface-1);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
}

.field-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Бейджи происхождения значения («задано из БД» / «из .env» / «не задано»)
   и статуса синка. */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  background: var(--card-border);
  color: var(--text-secondary);
}

.badge-origin-db {
  background: rgba(27, 175, 122, 0.16);
  color: #0b6b43;
}

.badge-origin-env {
  background: rgba(42, 120, 214, 0.14);
  color: #1b5aa8;
}

.badge-origin-unset {
  background: var(--card-border);
  color: var(--text-muted);
}

@media (prefers-color-scheme: dark) {
  .badge-origin-db {
    background: rgba(27, 175, 122, 0.2);
    color: #7be6bd;
  }

  .badge-origin-env {
    background: rgba(57, 135, 229, 0.22);
    color: #9cc5f5;
  }
}

.conn-group {
  margin-bottom: 1.4rem;
}

.conn-group:last-of-type {
  margin-bottom: 0.9rem;
}

.conn-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.test-result {
  font-size: 0.87rem;
  font-weight: 600;
  min-height: 1.1em;
}

.test-result.is-ok { color: var(--color-good); }
.test-result.is-fail { color: var(--color-bad); }

.conn-clear-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}

/* Демо-переключатель/очистка/синк («Данные»). */
.data-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--grid-line);
  flex-wrap: wrap;
}

.data-row:last-of-type {
  border-bottom: none;
}

.data-row-title {
  margin: 0;
  font-weight: 600;
}

.data-row-hint {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 480px;
}

.action-result {
  margin: -0.4rem 0 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-height: 1.1em;
}

/* Тумблер демо-режима. */
.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--text-primary);
}

.toggle-switch:disabled {
  opacity: 0.6;
  cursor: default;
}

.toggle-switch-track {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--card-border);
  transition: background 0.15s ease;
  flex-shrink: 0;
}

.toggle-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--surface-1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease;
}

.toggle-switch[aria-checked="true"] .toggle-switch-track {
  background: var(--color-online);
}

.toggle-switch[aria-checked="true"] .toggle-switch-thumb {
  transform: translateX(18px);
}

.toggle-switch-label {
  font-weight: 600;
  font-size: 0.9rem;
}

#sync-running-badge[data-running="true"] {
  background: rgba(42, 120, 214, 0.14);
  color: #1b5aa8;
}

@media (prefers-color-scheme: dark) {
  #sync-running-badge[data-running="true"] {
    background: rgba(57, 135, 229, 0.22);
    color: #9cc5f5;
  }
}

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 860px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .chart-card.span-2 { grid-column: span 1; }

  .filters {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 520px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 1rem 1rem 2.5rem;
  }

  .topbar {
    padding: 0.85rem 1rem;
  }

  .data-row {
    flex-direction: column;
    align-items: flex-start;
  }
}