:root {
  --bg: #e9edf3;
  --sidebar-bg: #11151c;
  --card-bg: #ffffff;
  --border: #dde2ea;
  --text: #1c2430;
  --text-muted: #6b7686;
  --accent: #d0392b;
  --accent-soft: #fdeceb;
  --ok: #1f9254;
  --ok-soft: #e6f6ec;
  --warn: #c9941c;
  --warn-soft: #fcf3dd;
  --info: #2457c5;
  --info-soft: #e8eefb;
  --gray-soft: #eef0f3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 190px;
  flex: none;
  background: var(--sidebar-bg);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #aab2c0;
  text-decoration: none;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
}

.nav-item:hover { color: #fff; }

.nav-item.active {
  color: #fff;
  background: #1d2330;
  border-left: 3px solid var(--accent);
}

.nav-icon { opacity: .8; }

.content {
  flex: 1;
  padding: 18px 24px;
  position: relative;
}

.simulated-banner {
  position: absolute;
  top: 16px;
  right: 24px;
  background: var(--warn-soft);
  color: #8a6314;
  border: 1px solid #f0dca0;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
}

.view { display: none; }
.view.active { display: block; }

.page-title {
  font-size: 20px;
  font-weight: 700;
  margin: 2px 0 16px;
}

/* --- Stat cards --- */

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text-muted);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  margin-top: 4px;
}

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-green { background: var(--ok); }
.dot-red { background: var(--accent); }
.dot-gray { background: #9aa3b2; }

/* --- Generic layout columns --- */

.columns {
  display: grid;
  gap: 16px;
}

.columns.incidents-layout { grid-template-columns: 260px 1fr 260px; align-items: start; }
.columns.escalations-layout { grid-template-columns: 300px 1fr; align-items: start; }
.columns.machines-layout { grid-template-columns: 1fr 300px; align-items: start; }
.columns.technicians-layout { grid-template-columns: 1fr 300px; align-items: start; }

.panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.panel-header {
  padding: 12px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}

.panel-body { padding: 14px; }

/* --- Incident list (left column) --- */

.incident-card {
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 10px;
  cursor: pointer;
  background: #fff;
}

.incident-card:hover { border-color: #c7cedb; }

.incident-card.selected {
  border-left-color: var(--accent);
  box-shadow: 0 0 0 1px #f3c9c4 inset;
}

.incident-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.incident-id { font-weight: 700; font-size: 13px; }
.incident-title { font-size: 13px; font-weight: 600; margin: 2px 0; }
.incident-sub { font-size: 12px; color: var(--text-muted); }

/* --- Badges --- */

.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .03em;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-critical, .badge-high { background: var(--accent); color: #fff; }
.badge-medium { background: var(--warn); color: #fff; }
.badge-low { background: #c7cedb; color: #1c2430; }

.badge-resolved { background: var(--ok); color: #fff; }
.badge-in_progress { background: #2457c5; color: #fff; }
.badge-escalated { background: var(--warn); color: #fff; }

.badge-normal { background: var(--ok); color: #fff; }
.badge-incident { background: var(--accent); color: #fff; }

.badge-available { background: var(--ok); color: #fff; }
.badge-busy { background: var(--accent); color: #fff; }
.badge-off_shift { background: #c7cedb; color: #1c2430; }

.channel-pill {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  color: #fff;
  text-transform: uppercase;
}

.channel-whatsapp { background: #1c2430; }
.channel-rcs { background: #c0392b; }
.channel-email { background: #1f9254; }

.delivery-sent { background: #6b7a90; }
.delivery-delivered { background: #1f9254; }
.delivery-delayed { background: #d68910; }
.delivery-failed,
.delivery-bounced,
.delivery-rejected,
.delivery-complained { background: #c0392b; }

/* --- Incident detail (center column) --- */

.detail-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-title { font-size: 16px; font-weight: 700; }

.timeline-heading {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .04em;
  margin: 16px 0 10px;
}

.timeline-row {
  display: grid;
  grid-template-columns: 60px max-content 1fr;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 12.5px;
}

.timeline-badges {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 4px;
  min-width: 90px;
}

.timeline-time { color: var(--text-muted); }
.timeline-content { color: var(--text); }

.evidence-photos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.evidence-photo-link {
  display: block;
  line-height: 0;
}

.evidence-photo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #c7cedb;
}

.photo-indicator {
  font-size: 12px;
}

/* --- Side info cards (right column) --- */

.kv-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 12.5px;
  border-bottom: 1px solid #f1f3f6;
}

.kv-row:last-child { border-bottom: none; }
.kv-label { color: var(--text-muted); }
.kv-value { font-weight: 600; text-align: right; }

.tool-chip {
  display: inline-block;
  background: var(--gray-soft);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 4px 8px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 11.5px;
  margin: 3px 4px 0 0;
}

.muted { color: var(--text-muted); font-size: 12px; }
.empty-state { color: var(--text-muted); font-size: 13px; padding: 24px 0; text-align: center; }

/* --- Toolbar (machines view) --- */

.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.search-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}

.filter-group {
  display: flex;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.filter-btn {
  border: none;
  background: #fff;
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
}

.filter-btn + .filter-btn { border-left: 1px solid var(--border); }
.filter-btn.active { background: #1c2430; color: #fff; }

.date-filter {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
}

.date-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
}

.date-input {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 8px;
  font-size: 12.5px;
  color: var(--text);
  background: #fff;
}

.clear-btn {
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* --- Tables --- */

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.data-table th {
  text-align: left;
  font-size: 10.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 10px;
  border-bottom: 1px solid #f1f3f6;
  vertical-align: middle;
}

.data-table tbody tr { cursor: pointer; }
.data-table tbody tr:hover { background: #f7f9fb; }
.data-table tbody tr.selected { background: #fdeceb; }

.row-id { font-weight: 700; color: var(--info); }

/* --- Right-side detail panels --- */

.detail-name { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.detail-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }

.alert-box {
  background: var(--accent-soft);
  border: 1px solid #f0c3bd;
  color: #8a2a20;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin: 14px 0 8px;
}

.chain-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 12.5px;
}

.chain-dot { width: 8px; height: 8px; border-radius: 50%; background: #c7cedb; }
.chain-row.self .chain-dot { background: var(--accent); }
.chain-order { color: var(--text-muted); width: 16px; }

.activity-row {
  padding: 6px 0;
  font-size: 12px;
  border-bottom: 1px solid #f1f3f6;
}
.activity-row:last-child { border-bottom: none; }
.activity-time { color: var(--text-muted); float: right; }

/* --- Escalations view --- */

.nav-item { position: relative; }

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  border-radius: 10px;
  padding: 1px 7px;
  display: none;
}

.stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.waiting-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
}

.incident-sub-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.escalation-chain {
  display: flex;
  align-items: flex-start;
  margin: 12px 0 20px;
  overflow-x: auto;
}

.chain-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 140px;
  flex: none;
}

.chain-node-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  border: 2px solid var(--border);
  margin-bottom: 6px;
}

.chain-node-icon.outcome-no_reply { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.chain-node-icon.outcome-pending { border-color: var(--warn); color: #fff; background: var(--warn); }
.chain-node-icon.outcome-assigned,
.chain-node-icon.outcome-resolved { border-color: var(--ok); color: #fff; background: var(--ok); }

.chain-node-name { font-size: 12.5px; font-weight: 700; }
.chain-node-sub { font-size: 11px; color: var(--text-muted); }

.chain-connector {
  flex: 1 1 24px;
  height: 2px;
  margin-top: 17px;
  min-width: 24px;
  background: var(--border);
}

.chain-connector.outcome-no_reply { background: var(--accent); }
.chain-connector.outcome-pending { background: var(--warn); }
.chain-connector.outcome-assigned,
.chain-connector.outcome-resolved { background: var(--ok); }

@media (max-width: 1000px) {
  .columns.incidents-layout,
  .columns.escalations-layout,
  .columns.machines-layout,
  .columns.technicians-layout {
    grid-template-columns: 1fr;
  }
}

/* --- Technician incident actions --- */

.action-row { display: flex; gap: 8px; margin: 10px 0; }
.btn {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn-primary { background: #1c2430; color: #fff; border-color: #1c2430; }
.btn-danger { background: #c0392b; color: #fff; border-color: #c0392b; }
.btn-secondary { background: #fff; color: #1c2430; }
.action-error { color: #c0392b; font-size: 12px; min-height: 0; }

dialog#close-dialog {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  width: min(480px, 90vw);
}
dialog#close-dialog::backdrop { background: rgba(28, 36, 48, 0.45); }
.dialog-form { display: flex; flex-direction: column; gap: 8px; }
.dialog-form textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  font: inherit;
  resize: vertical;
}
.dialog-form .action-row { justify-content: flex-end; }

.panel-spaced { margin-bottom: 16px; }

/* --- Auth / status --- */

[hidden] { display: none !important; }

.login-screen { min-height: 100vh; display: grid; place-items: center; }
.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.login-card h1 { font-size: 18px; margin: 0 0 8px; }
.login-card input { padding: 8px; border: 1px solid var(--border); border-radius: 6px; }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 24px;
  background: var(--warn-soft);
  border-bottom: 1px solid #f0dca0;
}
.topbar .demo-notice { flex: 1; }
.demo-notice { color: #8a6314; font-size: 12px; font-weight: 700; }
.user-info { font-size: 13px; }

.loading { color: var(--text-muted); margin-bottom: 8px; }
.error-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 12px;
}