/* ==========================================================================
   Arctic Shadow Tracker — Dashboard Styles
   ========================================================================== */
@import url('tokens.css');

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100vh;
  background: var(--bg-gradient), var(--bg-base);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: var(--fw-light);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  animation: asr-fade-in var(--t-slow) var(--ease-out);
}

/* Reserve space for fixed nav once at the body level so downstream flow
   (stale banner, then .app) doesn't need to know the nav height. */
body {
  padding-top: var(--nav-h);
}

@keyframes asr-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

a {
  color: var(--text-soft);
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* Accessibility helpers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--r-sm);
}

/* ==========================================================================
   Layout shell — sidebar grid
   ========================================================================== */
.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: 1fr auto;
  grid-template-areas:
    "sidebar map"
    "feed    feed";
  min-height: calc(100vh - var(--nav-h));
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--s-3) var(--s-4) 0;
  gap: var(--s-3);
}

.sidebar {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  overflow-y: auto;
  min-width: 0;
  padding-bottom: var(--s-3);
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-soft);
  border-radius: var(--r-pill);
}

/* ==========================================================================
   Top navigation
   ========================================================================== */
.nav {
  grid-area: nav;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--s-6);
  background: var(--surface-nav);
  -webkit-backdrop-filter: blur(var(--blur-nav));
  backdrop-filter: blur(var(--blur-nav));
  border-bottom: 1px solid var(--border-soft);
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: 0.95rem;
  letter-spacing: var(--ls-display);
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.nav__brand-mark {
  width: 10px;
  height: 10px;
  border-radius: var(--r-pill);
  background: var(--text-soft);
  box-shadow: 0 0 12px rgba(223, 239, 255, 0.6);
  animation: asr-pulse 2.6s var(--ease-out) infinite;
}

@keyframes asr-pulse {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.15); }
}

.nav__primary {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: 0 var(--s-5);
  min-width: 0;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.nav__status {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav__status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--country-norway-mil);
  margin-right: var(--s-2);
  vertical-align: middle;
  transition: background var(--t-med) var(--ease-out);
}

.nav__status--stale {
  color: var(--sev-critical);
}

.nav__status--stale::before {
  background: var(--sev-critical);
  box-shadow: 0 0 8px var(--sev-critical);
}

/* ==========================================================================
   Stale data banner — flows in document order between nav and main,
   wraps naturally on narrow viewports.
   ========================================================================== */
.stale-banner {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-3) var(--s-5);
  background: linear-gradient(
    90deg,
    rgba(255, 92, 107, 0.18),
    rgba(255, 92, 107, 0.08)
  );
  border-bottom: 1px solid rgba(255, 92, 107, 0.35);
  color: var(--text-primary);
  font-size: 0.82rem;
  -webkit-backdrop-filter: blur(var(--blur-nav));
  backdrop-filter: blur(var(--blur-nav));
  animation: asr-slide-down var(--t-med) var(--ease-out);
}

.stale-banner[hidden] { display: none; }

@keyframes asr-slide-down {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

.stale-banner__icon {
  font-size: 1.1rem;
  color: var(--sev-critical);
  flex-shrink: 0;
}

.stale-banner__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.stale-banner__title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sev-critical);
}

.stale-banner__detail {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.stale-banner__link {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-soft);
  padding: 6px 12px;
  border: 1px solid var(--border-muted);
  border-radius: var(--r-pill);
  transition: all var(--t-fast) var(--ease-out);
}

.stale-banner__link:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.05);
}

/* (banner is now in the document flow, so no push rule needed) */

/* ==========================================================================
   Satellite viewer — nav button, slide-in panel, thumbnail grid
   ========================================================================== */

/* Primary nav buttons (Satellite + Analysis) — headline feature access */
.nav-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--border-muted);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out);
}

.nav-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  background: rgba(142, 205, 255, 0.06);
}

.nav-btn--sat[aria-expanded="true"] {
  color: var(--text-primary);
  border-color: rgba(142, 205, 255, 0.55);
  background: rgba(142, 205, 255, 0.1);
}

.nav-btn__icon {
  width: 14px;
  height: 14px;
  display: inline-block;
  flex-shrink: 0;
  opacity: 0.85;
}

.nav-btn:hover .nav-btn__icon,
.nav-btn--sat[aria-expanded="true"] .nav-btn__icon {
  opacity: 1;
}

.nav-btn__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  color: var(--bg-base);
  background: var(--text-soft);
  border-radius: var(--r-pill);
  line-height: 1;
  letter-spacing: 0;
}

.nav-btn__badge[hidden] { display: none; }

/* Slide-in panel + backdrop */
.sat-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  z-index: 1800;
  animation: asr-fade-in var(--t-fast) var(--ease-out);
}
.sat-backdrop[hidden] { display: none; }

.sat-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(460px, 100vw);
  z-index: 1900;
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
  border-left: 1px solid var(--border-muted);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
  animation: sat-panel-slide-in var(--t-med) var(--ease-out);
}
.sat-panel[hidden] { display: none; }

@keyframes sat-panel-slide-in {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

.sat-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-5) var(--s-5) var(--s-3);
  border-bottom: 1px solid var(--border-soft);
}

.sat-panel__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin: 0;
}

.sat-panel__subtitle {
  margin-top: 4px;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.sat-panel__close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out);
}

.sat-panel__close:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

/* -------- Full-screen SAR Analysis overlay (iframe host) -------- */
.analysis-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: #000;
}
.analysis-overlay[hidden] {
  display: none;
}
.analysis-overlay iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.sat-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--s-4) var(--s-5);
}

.sat-panel__empty {
  text-align: center;
  padding: var(--s-7) var(--s-5);
  color: var(--text-faint);
  font-size: 0.82rem;
  line-height: 1.5;
}

/* Thumbnail grid */
.sat-tile-grid {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.sat-tile {
  background: var(--surface-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-fast) var(--ease-out);
}

.sat-tile:hover {
  border-color: var(--border-muted);
}

.sat-tile__img {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
  image-rendering: auto;
}

.sat-tile__img--missing {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: 0.8rem;
}

.sat-tile__meta {
  padding: var(--s-3) var(--s-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sat-tile__time {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.sat-tile__bbox {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.sat-tile__mode {
  font-size: 0.66rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Mobile: full-width panel, slide up from bottom */
@media (max-width: 640px) {
  .sat-panel {
    top: auto;
    width: 100%;
    max-height: 85vh;
    border-left: 0;
    border-top: 1px solid var(--border-muted);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    animation: sat-panel-slide-up var(--t-med) var(--ease-out);
  }
  @keyframes sat-panel-slide-up {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
  }
  .nav-btn__label { display: none; }
  .nav-btn { padding: 7px 10px; }
  .nav__primary { padding: 0 var(--s-2); gap: var(--s-2); }
  .nav { padding: 0 var(--s-3); }
}

.refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--border-muted);
  border-radius: var(--r-pill);
  transition: color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out);
}

.refresh-btn:hover:not(:disabled) {
  color: var(--text-primary);
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.04);
}

.refresh-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==========================================================================
   KPI Strip
   ========================================================================== */
/* Legacy KPI strip class kept as alias for the sidebar layout */
.kpi-strip {
  display: contents;
}

.kpi-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  -webkit-backdrop-filter: blur(var(--blur-glass));
  backdrop-filter: blur(var(--blur-glass));
  box-shadow: var(--shadow-glass);
  transition: border-color var(--t-med) var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  min-width: 0;
}

.kpi-card:hover {
  border-color: var(--border-muted);
}

.kpi-card__label {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-muted);
}

.kpi-card__sublabel {
  font-size: 0.64rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  margin-top: -4px;
}

.kpi-card__value {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2vw, 2rem);
  font-weight: var(--fw-light);
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: 0.02em;
}

.kpi-card__caption {
  font-size: 0.64rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.kpi-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 2px;
  padding-top: var(--s-2);
  border-top: 1px solid var(--border-soft);
}

.kpi-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  font-size: 0.74rem;
  line-height: 1.35;
  color: var(--text-muted);
}

/* Total card gets minimal chrome — hero number, no list */
.kpi-card--total {
  padding: var(--s-3) var(--s-4) var(--s-4);
}
.kpi-card--total .kpi-card__value {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
}

.kpi-card__row--indent {
  padding-left: var(--s-4);
  font-size: 0.76rem;
}

.kpi-card__row--total {
  margin-top: var(--s-2);
  padding-top: var(--s-3);
  border-top: 1px solid var(--border-soft);
  font-weight: var(--fw-medium);
}

.kpi-card__row strong {
  color: var(--text-primary);
  font-weight: var(--fw-medium);
  font-variant-numeric: tabular-nums;
}

.kpi-card__row .swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--r-pill);
  margin-right: var(--s-2);
  vertical-align: middle;
  flex-shrink: 0;
}

.swatch--russia      { background: var(--country-russia); }
.swatch--shadow      { background: var(--country-shadow); }
.swatch--suspected   { background: var(--country-suspected); }
.swatch--china       { background: var(--country-china); }
.swatch--norway      { background: var(--country-norway); }
.swatch--norway-mil  { background: var(--country-norway-mil); }
.swatch--other       { background: var(--country-other); }
.swatch--buoy        { background: var(--country-buoy); }
.swatch--cables      { background: #b66ed1; }
.swatch--tier-rt     { background: #8ecdff; box-shadow: 0 0 8px rgba(142,205,255,0.6); }
.swatch--tier-tac    { background: #ffd24d; }
.swatch--tier-strat  { background: #a8b0bf; opacity: 0.7; }

.kpi-card--total .kpi-card__value { color: var(--text-soft); }

/* ==========================================================================
   Map
   ========================================================================== */
.map-wrapper {
  grid-area: map;
  position: relative;
  min-height: 420px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--surface-raised);
  box-shadow: var(--shadow-glass);
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.map-wrapper__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--s-3);
  background: var(--surface-raised);
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity var(--t-slow) var(--ease-out);
}

.map-wrapper__loading[hidden] {
  opacity: 0;
  display: flex;
}

.map-wrapper__loading::before {
  content: "";
  width: 38px;
  height: 38px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-muted);
  border-top-color: var(--text-soft);
  animation: asr-spin 1s linear infinite;
}

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

/* ==========================================================================
   Feed area (anomaly newsfeed + filter aside)
   ========================================================================== */
.feed {
  grid-area: feed;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--s-4);
  padding-bottom: var(--s-6);
  position: relative;
  min-height: 340px;
}

.resizer {
  grid-column: 1 / -1;
  height: 10px;
  margin: 0 auto var(--s-2);
  width: 80px;
  border-radius: var(--r-pill);
  background: var(--border-soft);
  cursor: ns-resize;
  transition: background var(--t-fast) var(--ease-out);
}

.resizer:hover,
.resizer:focus-visible {
  background: var(--border-muted);
}

.anomaly-feed {
  background: var(--surface-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  -webkit-backdrop-filter: blur(var(--blur-glass));
  backdrop-filter: blur(var(--blur-glass));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  box-shadow: var(--shadow-glass);
}

.anomaly-feed__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--border-soft);
}

.anomaly-feed__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-primary);
}

.anomaly-feed__count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.anomaly-feed__list {
  flex: 1;
  overflow-y: auto;
  padding: var(--s-3) var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.anomaly-feed__list::-webkit-scrollbar {
  width: 8px;
}
.anomaly-feed__list::-webkit-scrollbar-track { background: transparent; }
.anomaly-feed__list::-webkit-scrollbar-thumb {
  background: var(--border-muted);
  border-radius: var(--r-pill);
}

.anomaly-feed__empty {
  text-align: center;
  padding: var(--s-7) var(--s-5);
  color: var(--text-faint);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

/* Anomaly card */
.anomaly-card {
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  transition: border-color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out),
              transform var(--t-fast) var(--ease-out);
}

.anomaly-card.is-clickable { cursor: pointer; }

.anomaly-card.is-clickable:hover,
.anomaly-card.is-clickable:focus-visible {
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(2px);
}

.anomaly-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-2);
}

.anomaly-card__meta {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-width: 0;
}

.anomaly-card__type {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.anomaly-card__time {
  font-size: 0.7rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.anomaly-card__body {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.anomaly-card__vessel {
  font-weight: var(--fw-medium);
  color: var(--text-primary);
}

.anomaly-card__country {
  color: var(--country-china);
  font-size: 0.72rem;
  margin-left: var(--s-2);
}

/* Satellite coverage chip — informational, shown in anomaly cards when a
   recent Sentinel-1 pass covered the vessel's last known position. Muted
   blue tint (not an alert). */
.sar-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: var(--s-2);
  padding: 3px 9px;
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  color: var(--text-soft);
  background: rgba(142, 205, 255, 0.08);
  border: 1px solid rgba(142, 205, 255, 0.22);
  border-radius: var(--r-pill);
  line-height: 1;
  cursor: default;
  white-space: nowrap;
}

/* Severity badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--r-pill);
  background: currentColor;
}

.badge--critical { color: var(--sev-critical); background: var(--sev-critical-bg); border-color: rgba(255, 92, 107, 0.35); }
.badge--high     { color: var(--sev-high);     background: var(--sev-high-bg);     border-color: rgba(255, 169, 77, 0.35); }
.badge--medium   { color: var(--sev-medium);   background: var(--sev-medium-bg);   border-color: rgba(255, 210, 77, 0.35); }
.badge--low      { color: var(--sev-low);      background: var(--sev-low-bg);      border-color: rgba(142, 205, 255, 0.35); }

/* Dark vessel anomaly cards get a purple left accent + purple type label to
   distinguish SAR-originated detections from AIS-based anomalies at a glance. */
.anomaly-card[data-type="dark_vessel"] {
  border-left: 3px solid #b86ff0;
  padding-left: calc(var(--s-4) - 3px);
}
.anomaly-card[data-type="dark_vessel"] .anomaly-card__type {
  color: #b86ff0;
  font-weight: var(--fw-medium);
}

/* ==========================================================================
   Filter panel
   ========================================================================== */
.filter-panel {
  background: var(--surface-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  -webkit-backdrop-filter: blur(var(--blur-glass));
  backdrop-filter: blur(var(--blur-glass));
  box-shadow: var(--shadow-glass);
  overflow-y: auto;
  min-width: 0;
}

.filter-panel__group {
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--border-soft);
}

.filter-panel__group:last-child { border-bottom: 0; }

.filter-panel__legend {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--s-3);
  padding: 0;
}

.filter-panel__fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: 8px 10px;
  margin: 0 -10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease-out);
}

.filter-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.filter-row__label {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-size: 0.82rem;
  color: var(--text-soft);
}

.filter-row input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-muted);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all var(--t-fast) var(--ease-out);
}

.filter-row input[type="checkbox"]:checked {
  background: var(--text-soft);
  border-color: var(--text-soft);
}

.filter-row input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 4px;
  width: 4px;
  height: 9px;
  border: solid var(--bg-base);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.filter-count {
  font-size: 0.7rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  padding: 2px 8px;
  background: var(--surface-glass-strong);
  border-radius: var(--r-pill);
  min-width: 28px;
  text-align: center;
}

.sort-row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 8px 10px;
  margin: 0 -10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: background var(--t-fast) var(--ease-out),
              color var(--t-fast) var(--ease-out);
}

.sort-row:hover { background: rgba(255, 255, 255, 0.03); color: var(--text-soft); }

.sort-row::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-muted);
  transition: all var(--t-fast) var(--ease-out);
}

.sort-row.is-active {
  color: var(--text-soft);
}

.sort-row.is-active::before {
  background: var(--text-soft);
  border-color: var(--text-soft);
  box-shadow: 0 0 0 3px rgba(223, 239, 255, 0.15);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1199px) {
  .app {
    grid-template-columns: 240px 1fr;
  }
}

@media (max-width: 899px) {
  .feed {
    grid-template-columns: 1fr;
  }
  .filter-panel {
    max-height: 280px;
  }
}

/* Below 768px, collapse the sidebar: stats become a horizontal scroll strip above the map */
@media (max-width: 767px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
      "sidebar"
      "map"
      "feed";
    padding: var(--s-3) var(--s-3) 0;
    gap: var(--s-3);
  }
  .sidebar {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: var(--s-2);
    gap: var(--s-2);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .sidebar::-webkit-scrollbar {
    height: 6px;
  }
  .kpi-card {
    min-width: 200px;
    flex-shrink: 0;
    scroll-snap-align: start;
  }
  .kpi-card--total {
    min-width: 150px;
  }
  .nav {
    padding: 0 var(--s-4);
  }
  .nav__status {
    display: none;
  }
  .map-wrapper {
    min-height: 360px;
  }

  /* Stale banner stacks vertically on mobile so the detail can wrap freely */
  .stale-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-2);
    padding: var(--s-3) var(--s-4);
  }
  .stale-banner__icon {
    display: none;  /* save space; title colour already signals urgency */
  }

  /* Feed becomes a single column — anomalies full width, filter aside hidden */
  .feed {
    grid-template-columns: 1fr;
  }
  .filter-panel {
    /* At mobile, filter panel is only shown via the bottom sheet mechanism */
    display: none;
  }
  .filter-panel.filter-panel--open {
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 72vh;
    z-index: 1100;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    background: var(--bg-base);
    border: 1px solid var(--border-muted);
    border-bottom: 0;
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.6);
    overflow-y: auto;
    animation: asr-sheet-up var(--t-med) var(--ease-out);
    padding-bottom: max(var(--s-5), env(safe-area-inset-bottom));
  }

  @keyframes asr-sheet-up {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
  }

  .filter-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    animation: asr-fade-in var(--t-fast) var(--ease-out);
  }
  .filter-backdrop[hidden] { display: none; }

  /* Filter toggle button in anomaly feed header (hidden on desktop) */
  .filter-toggle {
    display: inline-flex !important;
  }

  /* Nav brand shrink at narrow viewports */
  .nav__brand {
    font-size: 0.82rem;
    letter-spacing: 0.06em;
  }

  /* Larger tap targets */
  .refresh-btn {
    min-height: 40px;
    padding: 10px 16px;
  }
  .sort-row,
  .filter-row {
    min-height: 44px;
    padding: 10px 12px;
  }
  .resizer {
    height: 18px;
    width: 100px;
    background: var(--border-muted);
  }
  .anomaly-card {
    padding: var(--s-3) var(--s-4);
  }
}

/* Extra-narrow phones — hide the wordmark, keep only the pulsing brand dot */
@media (max-width: 360px) {
  .nav__brand {
    font-size: 0;  /* hides text node, pseudo-elements and img children stay visible */
    gap: 0;
  }
  .nav__brand-mark {
    width: 12px;
    height: 12px;
  }
}

/* Filter toggle button — hidden by default on desktop, shown on mobile */
.filter-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-soft);
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-muted);
  border-radius: var(--r-pill);
  padding: 8px 14px;
  min-height: 36px;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-out);
}

.filter-toggle:hover,
.filter-toggle:active {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.anomaly-feed__header-actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

/* Anomaly card tap affordance — replaces hover-only translateX */
.anomaly-card.is-clickable {
  position: relative;
}

.anomaly-card.is-clickable::after {
  content: "›";
  position: absolute;
  right: var(--s-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  font-size: 1.4rem;
  line-height: 1;
  pointer-events: none;
  transition: color var(--t-fast) var(--ease-out), right var(--t-fast) var(--ease-out);
}

.anomaly-card.is-clickable:hover::after,
.anomaly-card.is-clickable:focus-visible::after {
  color: var(--text-soft);
  right: calc(var(--s-3) - 2px);
}

.anomaly-card.is-clickable:active {
  background: rgba(223, 239, 255, 0.08);
  transition: background 80ms;
}

/* Give card body right-padding so text doesn't run under the chevron */
.anomaly-card__body {
  padding-right: var(--s-5);
}