/* RuReef Note — светлая тема */
:root {
  --primary: #4a90c2;
  --primary-light: #6eb5e0;
  --accent: #8ecae6;
  --aqua: #5bb5c9;
  --bg: #f0f6fb;
  --bg-soft: #e8f2fa;
  --card: #ffffff;
  --text: #2c3e50;
  --text-light: #64748b;
  --border: #dce8f2;
  --success: #2e9e6a;
  --warning: #c27803;
  --danger: #d64545;
  --bubble: rgba(74, 144, 194, 0.08);
  --shadow: 0 2px 16px rgba(74, 144, 194, 0.08);
  --shadow-lg: 0 8px 32px rgba(74, 144, 194, 0.12);
  --radius: 14px;
  --transition: all 0.25s ease;
}

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

html {
  width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: linear-gradient(165deg, #f8fbfe 0%, var(--bg) 45%, var(--bg-soft) 100%);
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); text-decoration: underline; }

.app-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 16px 32px;
  padding-top: calc(12px + env(safe-area-inset-top, 0));
}

.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

.app-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-light), var(--aqua));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(74, 144, 194, 0.25);
}

.app-title h1 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.app-title p {
  font-size: 0.82rem;
  color: var(--text-light);
}

.header-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

.system-select {
  min-width: 160px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.85rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.nav-tab {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}

.nav-tab:hover {
  border-color: var(--primary-light);
  background: #f8fcff;
}

.nav-tab[aria-selected="true"] {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(74, 144, 194, 0.3);
}

.panel { display: none; }
.panel[data-active="true"] { display: block; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.card h2 {
  font-size: 1rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.card h2 i { color: var(--primary); }

.card h3 {
  font-size: 0.9rem;
  margin: 12px 0 8px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px;
}

.field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 4px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(110, 181, 224, 0.2);
}

.field textarea { min-height: 72px; resize: vertical; }

.btn {
  appearance: none;
  border: none;
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 12px rgba(74, 144, 194, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 16px rgba(74, 144, 194, 0.35);
}

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

.btn-secondary:hover {
  background: #f8fcff;
  border-color: var(--primary-light);
}

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

.btn-sm {
  padding: 5px 10px;
  font-size: 0.75rem;
}

.btn-icon {
  padding: 6px 8px;
  min-width: 32px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(74, 144, 194, 0.06);
}

.stat .val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
}

.stat .lbl {
  font-size: 0.72rem;
  color: var(--text-light);
}

.reminder-list,
.task-list,
.event-list,
.inventory-list {
  list-style: none;
}

.reminder-list li,
.task-list li,
.event-list li,
.inventory-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.task-item {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.task-item.is-open {
  background: var(--bg-soft);
  margin: 0 -12px;
  padding: 12px;
  border-radius: 10px;
  border-bottom-color: transparent;
}

.event-list li.event-item,
.inventory-list li.inventory-item {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.event-list li.event-item.is-open,
.inventory-list li.inventory-item.is-open {
  background: var(--bg-soft);
  margin: 0 -12px;
  padding: 12px;
  border-radius: 10px;
  border-bottom-color: transparent;
}

.event-list li.event-item .record-summary,
.inventory-list li.inventory-item .inv-record-summary {
  width: 100%;
}

.task-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.task-title-btn {
  background: none;
  border: none;
  font: inherit;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.task-title-btn:hover {
  text-decoration: underline;
}

.task-detail {
  width: 100%;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.task-detail-section {
  margin-bottom: 12px;
}

.task-detail-section h4 {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 600;
}

.task-detail .toolbar {
  margin-top: 12px;
  flex-wrap: wrap;
}

.reminder-list li:last-child,
.task-list li:last-child,
.event-list li:last-child,
.inventory-list li:last-child {
  border-bottom: none;
}

.badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bubble);
  color: var(--primary);
}

.badge-warn { background: rgba(194, 120, 3, 0.12); color: var(--warning); }
.badge-danger { background: rgba(214, 69, 69, 0.1); color: var(--danger); }
.badge-ok { background: rgba(46, 158, 106, 0.12); color: var(--success); }

.chart-wrap {
  position: relative;
  height: 260px;
  margin: 8px 0 12px;
  background: #fafcff;
  border-radius: 10px;
  padding: 8px;
  border: 1px solid var(--border);
}

.chart-current-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 14px 16px;
  margin-bottom: 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(91, 163, 176, 0.18) 0%, rgba(46, 125, 138, 0.08) 100%);
  border: 2px solid var(--aqua);
  box-shadow: 0 2px 12px rgba(46, 125, 138, 0.12);
}

.chart-current-label {
  font-size: 0.78rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.chart-current-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.chart-current-value .unit {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
  margin-left: 4px;
}

.chart-current-meta {
  font-size: 0.8rem;
  color: var(--text);
}

.chart-current-status {
  margin-left: auto;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.chart-current-status.ok {
  background: rgba(46, 158, 106, 0.15);
  color: var(--success);
}

.chart-current-status.warn {
  background: rgba(194, 120, 3, 0.12);
  color: var(--warning);
}

.chart-current-status.bad {
  background: rgba(214, 69, 69, 0.1);
  color: var(--danger);
}

.chart-legend-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  padding: 8px 10px;
  background: var(--bg-soft);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.chart-legend-hint {
  font-size: 0.72rem;
  color: var(--text-light);
  margin-right: 4px;
}

.chart-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 8px;
  border: 2px solid var(--border);
  background: #fff;
  cursor: pointer;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.chart-toggle:hover {
  border-color: var(--aqua);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.chart-toggle.active {
  border-color: var(--aqua);
  background: rgba(91, 163, 176, 0.12);
  box-shadow: inset 0 0 0 1px rgba(91, 163, 176, 0.25);
}

.chart-toggle .swatch {
  width: 14px;
  height: 4px;
  border-radius: 2px;
}

.chart-toggle .swatch.min { background: rgba(76, 175, 80, 0.85); }
.chart-toggle .swatch.max { background: rgba(220, 38, 38, 0.75); }
.chart-toggle .swatch.line { background: #5ba3b0; height: 3px; }

.chart-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
  padding: 4px;
  background: var(--bg-soft);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.chart-tab {
  padding: 8px 12px;
  font-size: 0.78rem;
  border-radius: 9px;
  border: 2px solid transparent;
  background: #fff;
  cursor: pointer;
  color: var(--text);
  transition: all 0.15s;
  text-align: left;
  min-width: 72px;
}

.chart-tab:hover {
  border-color: var(--aqua);
}

.chart-tab[aria-selected="true"] {
  background: var(--accent);
  border-color: var(--aqua);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(46, 125, 138, 0.2);
}

.chart-tab-val {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary);
  margin-top: 2px;
}

.chart-tab[aria-selected="true"] .chart-tab-val {
  color: var(--primary);
}

.record-item {
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.record-item.is-open {
  background: var(--bg-soft);
  margin: 0 -12px;
  padding: 12px;
  border-radius: 10px;
  border-bottom-color: transparent;
}

.record-summary {
  cursor: pointer;
}

.record-title-btn {
  background: none;
  border: none;
  font: inherit;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.record-title-btn:hover {
  text-decoration: underline;
}

.record-detail {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.record-detail .toolbar {
  margin-top: 10px;
  flex-wrap: wrap;
  gap: 6px;
}

#param-history .record-item:last-child {
  border-bottom: none;
}

.empty-state {
  text-align: center;
  padding: 24px 12px;
  color: var(--text-light);
  font-size: 0.9rem;
}

.empty-state i {
  font-size: 2rem;
  margin-bottom: 8px;
  opacity: 0.4;
  color: var(--primary-light);
}

.photo-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.photo-pair img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.thumb {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.flex-grow { flex: 1; min-width: 0; }

.meta {
  font-size: 0.75rem;
  color: var(--text-light);
}

.toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 0.85rem;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  box-shadow: var(--shadow-lg);
}

.toast.show { opacity: 1; }

/* Auth pages */
.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  background: linear-gradient(160deg, #ffffff 0%, #eef6fc 50%, #e3f0fa 100%);
}

.auth-box {
  width: 100%;
  max-width: 400px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 24px;
  box-shadow: var(--shadow-lg);
}

.auth-box h1 {
  font-size: 1.3rem;
  margin-bottom: 4px;
  color: var(--text);
}

.auth-box .sub {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.auth-box .field { margin-bottom: 12px; }

.auth-box .btn { width: 100%; margin-top: 8px; }

.auth-link {
  text-align: center;
  margin-top: 14px;
  font-size: 0.85rem;
}

.error-msg {
  background: rgba(214, 69, 69, 0.08);
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 12px;
  border: 1px solid rgba(214, 69, 69, 0.15);
}

.success-msg {
  background: rgba(46, 158, 106, 0.08);
  color: var(--success);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 12px;
  border: 1px solid rgba(46, 158, 106, 0.15);
}

.system-profile-photo {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
}

.task-note {
  font-size: 0.8rem;
  color: var(--text);
  margin-top: 4px;
  padding: 6px 8px;
  background: var(--bg-soft);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
}

.task-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px;
}

@media (max-width: 600px) {
  .photo-pair { grid-template-columns: 1fr; }
  .header-actions { width: 100%; margin-left: 0; }
  .system-select { flex: 1; }
}