:root {
  color-scheme: dark;
  --bg: #07111f;
  --surface: #0d1b2d;
  --surface-2: #12243a;
  --surface-3: #17304b;
  --border: #27435f;
  --text: #ecf4fb;
  --muted: #9eb1c4;
  --primary: #3aa8ff;
  --primary-dark: #1d78be;
  --good: #3ed598;
  --warning: #f4b740;
  --danger: #ff647c;
  --shadow: 0 18px 45px rgb(0 0 0 / 24%);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-rows: 64px 1fr;
  height: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  background: rgb(13 27 45 / 96%);
  box-shadow: var(--shadow);
  z-index: 1001;
}

.brand,
.topbar-actions,
.user-block {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 19px;
  letter-spacing: .2px;
}

.brand strong {
  color: var(--primary);
}

.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

.login-brand .brand-logo {
  height: 44px;
}

.topbar-actions {
  gap: 10px;
}

.user-block {
  align-items: flex-end;
  flex-direction: column;
  line-height: 1.15;
}

.user-block small {
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: 390px 1fr;
  min-height: 0;
}

.sidebar {
  display: flex;
  min-height: 0;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 14px;
}

.metric {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
}

.metric span {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metric strong {
  display: block;
  margin-top: 5px;
  font-size: 23px;
}

.metric.good strong {
  color: var(--good);
}

.metric.warning strong {
  color: var(--warning);
}

.metric.danger strong {
  color: var(--danger);
}

.tabs {
  display: flex;
  border-block: 1px solid var(--border);
}

.tab {
  flex: 1;
  padding: 12px 8px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
}

.tab.active {
  border-bottom-color: var(--primary);
  color: var(--text);
  background: rgb(58 168 255 / 7%);
}

.panel {
  display: none;
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  padding: 14px;
}

.panel.active {
  display: block;
}

.field,
.stack-form label,
.login-form label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

input,
select {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  background: var(--bg);
  color: var(--text);
}

input:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgb(58 168 255 / 12%);
}

.boat-list {
  display: grid;
  gap: 8px;
}

.boat-card {
  display: grid;
  grid-template-columns: 12px 1fr auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 11px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  text-align: left;
}

.boat-card:hover,
.boat-card.active {
  border-color: var(--primary);
  background: var(--surface-3);
}

.boat-card .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
}

.boat-card .status-dot.active {
  background: var(--good);
  box-shadow: 0 0 8px var(--good);
}

.boat-card .status-dot.lost_contact {
  background: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}

.boat-card .status-dot.never_seen {
  background: var(--warning);
}

.boat-card strong,
.boat-card small {
  display: block;
}

.boat-card small {
  margin-top: 3px;
  color: var(--muted);
}

.boat-card time {
  color: var(--muted);
  font-size: 11px;
}

.alert-summary {
  display: none;
  margin-bottom: 12px;
  padding: 10px;
  border: 1px solid rgb(255 100 124 / 45%);
  border-radius: 9px;
  background: rgb(255 100 124 / 10%);
  color: #ffb2be;
  font-size: 13px;
}

.alert-summary.visible {
  display: block;
}

.selected-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.selected-heading small {
  color: var(--muted);
}

.selected-heading h2 {
  margin: 3px 0 0;
  font-size: 21px;
}

.status-chip,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.status-chip.active,
.badge.good {
  border-color: rgb(62 213 152 / 45%);
  color: var(--good);
}

.status-chip.lost_contact,
.badge.danger {
  border-color: rgb(255 100 124 / 45%);
  color: var(--danger);
}

.status-chip.never_seen,
.badge.warning {
  border-color: rgb(244 183 64 / 45%);
  color: var(--warning);
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
}

.details-grid div {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}

.details-grid dt {
  color: var(--muted);
  font-size: 11px;
}

.details-grid dd {
  overflow: hidden;
  margin: 5px 0 0;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
}

.period-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}

.period-button {
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--muted);
}

.period-button.active {
  border-color: var(--primary);
  background: var(--primary-dark);
  color: white;
}

.report-box {
  display: grid;
  gap: 9px;
  margin-top: 18px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
}

.report-box h3 {
  margin: 0;
  font-size: 14px;
}

.button {
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 700;
}

.button.primary {
  border-color: var(--primary);
  background: var(--primary-dark);
  color: white;
}

.button.subtle:hover,
.button.primary:hover {
  filter: brightness(1.12);
}

.button:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.muted {
  color: var(--muted);
  font-size: 12px;
}

.admin-panel details {
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-2);
}

.admin-panel summary {
  padding: 11px;
  cursor: pointer;
  font-weight: 700;
}

.stack-form {
  display: grid;
  gap: 8px;
  padding: 0 11px 12px;
}

.stack-form input,
.stack-form select {
  min-height: 37px;
}

.admin-key-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
}

.admin-key-row .button {
  flex: 0 0 auto;
}

.admin-result {
  display: none;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--warning);
  border-radius: 9px;
  background: #1e1a10;
  color: #ffe3a1;
  font-size: 11px;
  white-space: pre-wrap;
}

.admin-result.visible {
  display: block;
}

.map-area {
  position: relative;
  min-width: 0;
  min-height: 0;
  background: #06101c;
}

#map {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(rgb(52 82 108 / 18%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(52 82 108 / 18%) 1px, transparent 1px),
    #071523;
  background-size: 42px 42px;
}

.map-overlay {
  position: absolute;
  z-index: 700;
  right: 14px;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgb(13 27 45 / 90%);
  box-shadow: var(--shadow);
  font-size: 12px;
}

.boat-marker {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 2px solid white;
  border-radius: 50% 50% 50% 12%;
  transform: rotate(-45deg);
  background: var(--good);
  box-shadow: 0 0 12px rgb(62 213 152 / 70%);
}

.boat-marker::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
}

.boat-marker.lost_contact {
  background: var(--danger);
  box-shadow: 0 0 12px rgb(255 100 124 / 70%);
}

.boat-marker.selected {
  width: 38px;
  height: 38px;
  border-width: 3px;
  background: var(--primary);
  box-shadow: 0 0 18px rgb(58 168 255 / 90%);
}

.leaflet-control-layers,
.leaflet-bar a {
  border-color: var(--border) !important;
  background: var(--surface) !important;
  color: var(--text) !important;
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: var(--surface);
  color: var(--text);
}

.login-page {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 0%, rgb(58 168 255 / 22%), transparent 38%),
    var(--bg);
}

.login-card {
  width: min(430px, 100%);
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgb(13 27 45 / 96%);
  box-shadow: var(--shadow);
}

.login-brand {
  margin-bottom: 26px;
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 27px;
}

.login-form {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.login-form label {
  margin: 0;
}

.form-error {
  margin-top: 16px;
  padding: 10px;
  border: 1px solid rgb(255 100 124 / 45%);
  border-radius: 8px;
  background: rgb(255 100 124 / 10%);
  color: #ffb2be;
  font-size: 13px;
}

.language-links {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 18px;
}

.language-links a {
  color: var(--primary);
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 340px 1fr;
  }

  .user-block {
    display: none;
  }
}

@media (max-width: 700px) {
  .app-shell {
    grid-template-rows: auto 1fr;
  }

  .topbar {
    min-height: 64px;
    padding: 10px;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(380px, 50vh) minmax(380px, 1fr);
    overflow-y: auto;
  }

  .sidebar {
    grid-row: 2;
  }

  .map-area {
    grid-row: 1;
  }

  .summary-grid {
    padding: 8px;
  }
}