* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f172a;
  --card: rgba(30, 41, 59, 0.9);
  --border: #334155;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --text: #e2e8f0;
  --muted: #94a3b8;
}
html, body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
body { display: flex; flex-direction: column; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 40px !important;
  height: 40px !important;
  max-width: 40px;
  max-height: 40px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: #0f172a;
  display: block;
}
.logo-copy { display: flex; flex-direction: column; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: var(--green); }
.logo-sub { font-size: 0.75rem; color: var(--muted); }
.header-right { display: flex; align-items: center; gap: 12px; }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: 0.5 } }

.alerts-header-btn { position: relative; }
.alerts-badge {
  display: inline-block;
  min-width: 18px;
  padding: 0 5px;
  margin-left: 4px;
  border-radius: 9px;
  background: var(--red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  vertical-align: middle;
}
.alerts-badge.hidden { display: none; }

.btn-outline {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
}
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn { padding: 8px 16px; border: none; border-radius: 6px; cursor: pointer; font-size: 0.875rem; font-weight: 500; text-decoration: none; display: inline-block; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: #16a34a; }
.btn-danger { border-color: var(--red) !important; color: var(--red) !important; }
.btn-danger:hover { background: rgba(239, 68, 68, 0.15) !important; }

main {
  flex: 1;
  padding: 16px;
  max-width: 640px;
  margin: 0 auto 24px auto;
  width: 100%;
}

.summary-banner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}
.summary-site { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.summary-stats { display: flex; flex-direction: column; gap: 8px; }
.summary-stat { font-size: 0.95rem; display: flex; align-items: center; gap: 8px; }
.summary-stat.ok::before { content: "✓"; color: var(--green); font-weight: 700; }
.summary-stat.warn::before { content: "⚠"; color: var(--amber); font-weight: 700; }
.summary-stat.muted { color: var(--muted); }
.summary-stat.muted::before { content: "✓"; color: var(--muted); }

.section-block { margin-bottom: 24px; }
.section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 12px;
}
.section-title.alert-title { color: var(--amber); }

.overview-alert-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.overview-alert-item {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.95rem;
  cursor: pointer;
}
.overview-alert-item.warn {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.35);
}
.overview-alert-item::before { content: "⚠ "; color: var(--amber); }

.fridge-list { display: flex; flex-direction: column; gap: 16px; }
.fridge-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
  text-align: left;
  width: 100%;
  color: inherit;
  font: inherit;
}
.fridge-card:hover { border-color: #475569; transform: translateY(-1px); }
.fridge-location {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 2px;
}
.fridge-name { font-size: 1.05rem; font-weight: 600; margin-bottom: 12px; }
.temp-block { margin-bottom: 10px; }
.temp-value {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.temp-value.ok { color: var(--green); }
.temp-value.warn { color: var(--amber); }
.temp-value.alert { color: var(--red); }
.temp-trend { font-size: 1.25rem; opacity: 0.85; }
.temp-target { font-size: 0.85rem; color: var(--muted); margin-top: 4px; }
.temp-status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 6px;
  padding: 3px 8px;
  border-radius: 4px;
}
.temp-status.ok { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.temp-status.alert { background: rgba(239, 68, 68, 0.15); color: var(--red); }

.card-meta { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 12px; font-size: 0.85rem; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-dot.green { background: var(--green); }
.status-dot.red { background: var(--red); }

.card-footer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted);
}
.view-details { color: var(--green); font-weight: 500; }
.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.empty-state a { color: var(--green); }

.detail-panel { max-width: 520px; }
.detail-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.detail-location { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 4px; }
.detail-name { font-size: 1.25rem; font-weight: 600; }
.detail-status-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; font-size: 0.9rem; }
.detail-actions { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.detail-action { width: 100%; text-align: center; }
.advanced-details { border-top: 1px solid var(--border); padding-top: 16px; font-size: 0.85rem; color: var(--muted); }
.advanced-details summary { cursor: pointer; color: var(--text); font-weight: 500; margin-bottom: 8px; }
.advanced-details div { font-family: monospace; font-size: 0.8rem; line-height: 1.6; }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}
.overlay.open { opacity: 1; visibility: visible; }
.overlay-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); cursor: pointer; }
.overlay-panel {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  max-width: 900px;
  width: 100%;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.charts-panel { display: flex; flex-direction: column; min-height: 0; }
.charts-panel .charts-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.charts-panel h2 { font-size: 1rem; color: var(--muted); margin: 0; }
.charts-hint { font-size: 0.75rem; font-weight: 400; }
.range-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.range-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
}
.range-btn:hover { border-color: var(--green); color: var(--text); }
.range-btn.active { background: var(--green); border-color: var(--green); color: #fff; }
.overlay-close { margin-left: auto; }
.chart-wrap { position: relative; height: 200px; margin-bottom: 24px; flex-shrink: 0; }
#doorHistoryList { flex-shrink: 0; }

/* Alerts panel (full alert management) */
.alerts-panel { max-width: 560px; }
.alerts-panel-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.alerts-panel-header h2 { margin: 0; font-size: 1.1rem; flex: 1; min-width: 120px; }
.alerts-tabs { display: flex; gap: 6px; width: 100%; order: 3; }
.alerts-tab-btn {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
}
.alerts-tab-btn.active { background: var(--green); border-color: var(--green); color: #fff; }
.alerts-panel-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.alerts-panel-body { flex: 1; overflow-y: auto; min-height: 200px; }
.alerts-back { order: -1; }
.alerts-delivery-bar {
  flex-shrink: 0;
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(22, 163, 74, 0.06);
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text);
}
.alerts-delivery-bar.hidden { display: none !important; }
.alerts-delivery-bar strong { color: var(--green); font-weight: 600; }
.alerts-delivery-meta { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }
.alerts-delivery-actions { margin-top: 8px; }
.alert-settings-form label { display: block; margin: 12px 0 4px; font-size: 0.8rem; color: var(--muted); }
.alert-settings-form input[type="email"],
.alert-settings-form input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  box-sizing: border-box;
}
.alert-settings-emails { list-style: none; margin: 8px 0 0; padding: 0; }
.alert-settings-emails li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.alert-settings-emails li:last-child { border-bottom: none; }
.alert-settings-emails .email-text { flex: 1; word-break: break-all; }
.alert-settings-emails button {
  border: none;
  background: transparent;
  color: var(--red);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px 6px;
}
.alert-settings-add {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.alert-settings-add input { flex: 1; }
.alert-settings-toggles { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.alert-settings-toggles label.alert-checkbox { margin: 0; color: var(--text); }
.alert-settings-status {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 12px;
  line-height: 1.4;
}
.alert-settings-status.warn { color: var(--amber); }
.hidden { display: none !important; }
.alert-card {
  display: block;
  width: 100%;
  text-align: left;
  margin-bottom: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
  color: var(--text);
}
.alert-card:hover { border-color: var(--green); }
.alert-sev-critical { color: var(--red); }
.alert-sev-warning { color: var(--amber); }
.muted { color: var(--muted); }

@media (max-width: 600px) {
  main { padding: 12px; }
  .overlay-panel { padding: 16px; }
}

/* ——— Reports page ——— */
.reports-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 20px 32px;
  width: 100%;
}
.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--green);
  text-decoration: none;
}
.back-link:hover { text-decoration: underline; }
.reports-panel {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}
.reports-panel h2 {
  margin: 0;
  color: var(--green);
  font-size: 1.25rem;
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.reports-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.btn-small {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  background: var(--green);
  color: #fff;
}
.btn-small:hover { background: #16a34a; }
.setup-hint {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.45;
  margin-bottom: 16px;
}
.reports-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 12px;
}
.reports-controls label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--muted);
}
.report-type-select,
.site-filter-select {
  min-width: 160px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.875rem;
}
.report-meta {
  margin: 0 0 12px;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}
.report-kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.report-kpi {
  flex: 1 1 120px;
  min-width: 100px;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}
.report-kpi-value {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}
.report-kpi-label {
  display: block;
  margin-top: 4px;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.reports-charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (min-width: 900px) {
  .reports-charts:has(#reportSideChartWrap:not([hidden])) {
    grid-template-columns: 1fr 1fr;
  }
}
.report-chart-wrap {
  position: relative;
  height: 280px;
  min-height: 220px;
  padding: 12px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.report-chart-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.report-table-wrap {
  max-height: 320px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.tags-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.tags-table th,
.tags-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.tags-table th {
  background: rgba(15, 23, 42, 0.8);
  color: var(--muted);
  position: sticky;
  top: 0;
}
.empty-cell {
  text-align: center;
  color: var(--muted);
  padding: 24px !important;
}
@media print {
  header, .back-link, .reports-actions, .reports-controls { display: none !important; }
  body { background: #fff; color: #000; }
  .reports-panel { border: none; }
  .report-chart-wrap { break-inside: avoid; }
}