/* Coral Reef Recovery Lab — field-station interface.
   Aqua-and-coral palette; specimen trays, transect strips and a lab console. */
:root {
  --deep: #05222b;
  --deep-2: #072f3a;
  --aqua-900: #0a4a57;
  --aqua-700: #0d6474;
  --aqua-500: #1595a8;
  --aqua-300: #5fd3e0;
  --aqua-100: #bdeef2;
  --coral-700: #c9502f;
  --coral-500: #ff7a59;
  --coral-300: #ff9e7d;
  --coral-100: #ffd9cb;
  --sand: #f2e6c9;
  --sand-2: #e3d3ab;
  --ink: #0c1b20;
  --paper: #fbf7ec;
  --paper-2: #f3ecda;
  --line: rgba(10, 74, 87, 0.16);
  --shadow: 0 10px 30px rgba(3, 25, 31, 0.22);
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--deep);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(21, 149, 168, 0.35), transparent 60%),
    radial-gradient(900px 400px at -10% 110%, rgba(255, 122, 89, 0.18), transparent 60%),
    var(--deep);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--coral-500);
  color: #2b0d05;
  padding: 10px 16px;
  z-index: 100;
  border-radius: 0 0 8px 0;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- header ---------- */
.station-header {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  gap: 18px;
  align-items: center;
  padding: 14px clamp(14px, 3vw, 34px);
  background: linear-gradient(180deg, rgba(5, 34, 43, 0.96), rgba(7, 47, 58, 0.86));
  border-bottom: 1px solid rgba(95, 211, 224, 0.22);
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(8px);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.mark { width: 42px; height: 42px; color: var(--coral-300); flex: none; }
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.station-name {
  font-size: clamp(1.02rem, 2.4vw, 1.35rem);
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--paper);
}
.station-sub {
  font-size: 0.76rem;
  color: var(--aqua-100);
  opacity: 0.82;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-readouts {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.readout {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 74px;
  padding: 6px 12px;
  border-radius: 10px;
  background: rgba(9, 62, 74, 0.7);
  border: 1px solid rgba(95, 211, 224, 0.2);
}
.readout .k { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.8px; color: var(--aqua-100); opacity: 0.8; }
.readout .v { font-family: var(--mono); font-size: 1.02rem; font-weight: 700; color: var(--paper); }
.readout.alert-warning { border-color: rgba(255, 158, 125, 0.7); background: rgba(120, 55, 35, 0.55); }
.readout.alert-severe { border-color: var(--coral-500); background: rgba(160, 45, 25, 0.62); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 3px rgba(255, 122, 89, 0.25); } }

.time-console { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.clock { display: flex; flex-direction: column; align-items: flex-end; }
.clock-date { font-family: var(--mono); font-size: 1rem; font-weight: 700; color: var(--aqua-100); }
.clock-week { font-size: 0.68rem; color: var(--aqua-300); opacity: 0.85; }
.time-buttons { display: flex; gap: 6px; flex-wrap: wrap; }

.btn {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 12px;
  min-height: 36px;
  border-radius: 9px;
  border: 1px solid rgba(95, 211, 224, 0.3);
  background: rgba(13, 100, 116, 0.6);
  color: var(--aqua-100);
  cursor: pointer;
  transition: background 0.15s, transform 0.08s, border-color 0.15s;
}
.btn:hover { background: rgba(21, 149, 168, 0.7); border-color: var(--aqua-300); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--coral-300); outline-offset: 2px; }
.btn-play[aria-pressed="true"] { background: var(--coral-500); color: #2b0d05; border-color: var(--coral-300); }
.btn-ghost { background: transparent; }
.btn-primary { background: var(--coral-500); color: #2b0d05; border-color: var(--coral-300); }
.btn-primary:hover { background: var(--coral-300); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-sm { padding: 6px 10px; min-height: 32px; font-size: 0.74rem; }

/* ---------- layout ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 16px;
  padding: 16px clamp(12px, 3vw, 30px) 26px;
  align-items: start;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.panel-head h2 { margin: 0; font-size: 0.95rem; letter-spacing: 0.3px; color: var(--aqua-100); }

.viewport-panel, .console-panel {
  background: linear-gradient(180deg, rgba(8, 52, 62, 0.86), rgba(6, 40, 48, 0.9));
  border: 1px solid rgba(95, 211, 224, 0.18);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}
.viewport-panel { position: sticky; top: calc(var(--header-h, 96px) + 10px); }

.canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-height: 280px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(95, 211, 224, 0.22);
  background: var(--aqua-900);
}
#reefCanvas { width: 100%; height: 100%; display: block; }

.legend { display: flex; gap: 10px; flex-wrap: wrap; font-size: 0.68rem; color: var(--aqua-100); }
.legend .sw { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; }

.selection-readout {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--aqua-100);
  min-height: 44px;
}
.selection-readout strong { color: var(--paper); }
.selection-readout .muted { color: var(--aqua-300); }

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 4px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px; margin-bottom: 12px;
  position: sticky;
  top: var(--header-h, 96px);
  z-index: 8;
  background: rgba(7, 45, 54, 0.97);
  backdrop-filter: blur(6px);
}
.tab {
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 11px;
  min-height: 36px;
  border-radius: 8px 8px 0 0;
  border: 1px solid transparent;
  background: transparent;
  color: var(--aqua-100);
  cursor: pointer;
}
.tab:hover { background: rgba(21, 149, 168, 0.22); }
.tab.is-active { background: rgba(255, 122, 89, 0.16); color: var(--coral-100); border-color: rgba(255, 158, 125, 0.4); }
.tab:focus-visible { outline: 3px solid var(--coral-300); outline-offset: 1px; }

.tab-panels { min-height: 320px; }
.panel-section h3 { margin: 0 0 6px; font-size: 0.86rem; color: var(--coral-100); letter-spacing: 0.3px; }
.panel-section p { margin: 0 0 10px; font-size: 0.8rem; color: var(--aqua-100); opacity: 0.92; }
.hint { font-size: 0.72rem; color: var(--aqua-300); }
.spacer { height: 12px; }

/* ---------- transect strip ---------- */
.transect-strip { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.quad-btn {
  font: inherit;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 10px 12px;
  min-height: 44px;
  min-width: 52px;
  border-radius: 9px;
  border: 1px solid rgba(95, 211, 224, 0.3);
  background: rgba(9, 62, 74, 0.7);
  color: var(--aqua-100);
  cursor: pointer;
}
.quad-btn.is-active { background: var(--aqua-500); color: #04222b; border-color: var(--aqua-300); }
.quad-btn:focus-visible { outline: 3px solid var(--coral-300); outline-offset: 2px; }

/* ---------- cards & lists ---------- */
.card {
  border: 1px solid rgba(95, 211, 224, 0.2);
  background: rgba(6, 42, 51, 0.72);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
}
.card h4 { margin: 0 0 4px; font-size: 0.85rem; color: var(--paper); }
.card .sub { font-size: 0.72rem; color: var(--aqua-300); font-style: italic; }
.card .row { display: flex; justify-content: space-between; gap: 8px; font-size: 0.76rem; margin-top: 4px; }
.card .row .k { color: var(--aqua-100); opacity: 0.85; }
.card .row .v { font-family: var(--mono); color: var(--paper); }
.row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.78rem; margin-top: 4px; }
.row .k { color: var(--aqua-100); opacity: 0.85; flex: none; }
.row .v { color: var(--paper); text-align: right; }

.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; margin: 10px 0; }
.metric {
  background: rgba(9, 62, 74, 0.6);
  border: 1px solid rgba(95, 211, 224, 0.16);
  border-radius: 10px;
  padding: 8px 10px;
}
.metric .k { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.7px; color: var(--aqua-300); }
.metric .v { font-family: var(--mono); font-size: 1.1rem; font-weight: 700; color: var(--paper); }
.metric .u { font-size: 0.66rem; color: var(--aqua-100); opacity: 0.7; }

.composition-bar { display: flex; height: 22px; border-radius: 6px; overflow: hidden; border: 1px solid rgba(95, 211, 224, 0.25); margin: 8px 0; }
.composition-bar span { display: block; height: 100%; }

.bleach-scale { display: flex; gap: 4px; margin: 6px 0; }
.bleach-scale .sw { flex: 1; height: 20px; border-radius: 4px; border: 1px solid rgba(255, 255, 255, 0.15); }
.bleach-scale .sw.is-on { outline: 2px solid var(--coral-300); outline-offset: 1px; }

.specimen-tray { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.specimen {
  text-align: left;
  font: inherit;
  border: 1px solid rgba(95, 211, 224, 0.22);
  background: linear-gradient(180deg, rgba(9, 62, 74, 0.85), rgba(6, 42, 51, 0.85));
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
  color: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
}
.specimen:hover { border-color: var(--aqua-300); }
.specimen:focus-visible { outline: 3px solid var(--coral-300); outline-offset: 2px; }
.specimen.is-active { border-color: var(--coral-500); background: rgba(255, 122, 89, 0.14); }
.specimen svg { width: 100%; height: 58px; display: block; }
.specimen .name { font-size: 0.78rem; font-weight: 700; }
.specimen .sci { font-size: 0.68rem; font-style: italic; color: var(--aqua-300); }

.method-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.method-card {
  border: 1px solid rgba(95, 211, 224, 0.2);
  border-left: 3px solid var(--aqua-500);
  background: rgba(6, 42, 51, 0.72);
  border-radius: 10px;
  padding: 11px;
}
.method-card .mhead { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.method-card h4 { margin: 0; font-size: 0.85rem; }
.method-card .cost { font-family: var(--mono); font-weight: 700; color: var(--coral-300); }
.method-card p { margin: 6px 0; font-size: 0.76rem; color: var(--aqua-100); }
.method-card .row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.74rem; margin-top: 4px; }
.method-card .row .k { color: var(--aqua-300); flex: none; }
.method-card .row .v { color: var(--paper); text-align: right; }
.method-card .risk { font-size: 0.72rem; }
.risk-Low { color: #8fe0a0; }
.risk-Medium { color: #ffcf7a; }
.risk-High { color: var(--coral-300); }
.method-card .actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.method-card select { font: inherit; font-size: 0.76rem; padding: 7px; min-height: 36px; border-radius: 8px; background: rgba(9, 62, 74, 0.9); color: var(--paper); border: 1px solid rgba(95, 211, 224, 0.3); }

table.data { width: 100%; border-collapse: collapse; font-size: 0.74rem; }
table.data th, table.data td { text-align: left; padding: 6px 6px; border-bottom: 1px solid var(--line); }
table.data th { color: var(--aqua-300); font-weight: 600; text-transform: uppercase; font-size: 0.62rem; letter-spacing: 0.6px; }
table.data td { color: var(--paper); font-family: var(--mono); }

.logbook-list { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; }
.log-entry { border-left: 3px solid var(--aqua-500); padding: 8px 10px; margin-bottom: 8px; background: rgba(6, 42, 51, 0.6); border-radius: 0 8px 8px 0; }
.log-entry .when { font-family: var(--mono); font-size: 0.66rem; color: var(--aqua-300); }
.log-entry .what { font-size: 0.8rem; color: var(--paper); }
.log-entry.type-survey { border-left-color: var(--aqua-300); }
.log-entry.type-species { border-left-color: #b6a2ff; }
.log-entry.type-restoration { border-left-color: var(--coral-500); }
.log-entry.type-sample { border-left-color: #8fe0a0; }
.log-entry.type-event { border-left-color: #ffcf7a; }

.chart { width: 100%; height: 150px; display: block; background: rgba(4, 30, 37, 0.6); border-radius: 10px; border: 1px solid rgba(95, 211, 224, 0.16); }
.chart-tall { height: 190px; }

.reference-panel { border: 1px dashed rgba(95, 211, 224, 0.4); border-radius: 10px; padding: 10px; margin-top: 10px; }
.reference-panel .row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.78rem; margin-top: 4px; }
.reference-panel .row .k { color: var(--aqua-300); flex: none; }
.reference-panel .row .v { color: var(--paper); font-family: var(--mono); }
.badge { display: inline-block; font-size: 0.62rem; font-weight: 700; padding: 2px 7px; border-radius: 999px; letter-spacing: 0.5px; text-transform: uppercase; }
.badge.live { background: #1f7a4d; color: #d9ffe9; }
.badge.snapshot { background: #7a5a1f; color: #fff2d6; }
.badge.unavailable { background: #6b2b2b; color: #ffd9d9; }

.timeline { position: relative; padding-left: 16px; }
.timeline::before { content: ""; position: absolute; left: 4px; top: 4px; bottom: 4px; width: 2px; background: rgba(95, 211, 224, 0.3); }
.timeline-item { position: relative; margin-bottom: 12px; }
.timeline-item::before { content: ""; position: absolute; left: -16px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--coral-500); border: 2px solid var(--deep); }
.timeline-item .t { font-family: var(--mono); font-size: 0.68rem; color: var(--aqua-300); }
.timeline-item .d { font-size: 0.78rem; color: var(--paper); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%) translateY(20px);
  background: var(--coral-500);
  color: #2b0d05;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 10px 18px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 60;
  max-width: 90vw;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.station-footer { padding: 14px clamp(14px, 3vw, 34px) 26px; font-size: 0.7rem; color: var(--aqua-300); opacity: 0.75; }

/* ---------- responsive ---------- */
@media (max-width: 1400px) {
  /* Keep the header to a single row so the sticky panels/tabs always clear it. */
  .station-header { grid-template-columns: minmax(220px, 1fr) auto auto; gap: 12px; }
  .readout { min-width: 50px; padding: 5px 7px; }
  .time-console { gap: 8px; }
  .time-buttons { gap: 5px; }
  .time-buttons .btn { padding: 8px 7px; }
}
@media (max-width: 980px) {
  .station-header { grid-template-columns: 1fr; }
  .header-readouts { justify-content: flex-start; }
  .time-console { justify-content: space-between; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .layout > * { min-width: 0; }
  .viewport-panel { position: static; }
  .tabs { position: static; top: auto; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .station-header { padding: 10px 12px; gap: 10px; }
  .brand-text .station-sub { white-space: normal; }
  .time-buttons { width: 100%; }
  .time-buttons .btn { flex: 1 1 auto; }
  .canvas-wrap { aspect-ratio: 1 / 1; min-height: 300px; }
  .tabs { overflow-x: auto; flex-wrap: nowrap; }
  .tab { flex: none; }
  .specimen-tray { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .layout { padding: 10px 10px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}