/* ===========================================================
   MarineNav — chartplotter-style UI
   Design language: dark bridge-instrument panel. High-contrast
   monospace readouts (SOG/COG/wind), teal "radar sweep" accent,
   amber for alerts, optional red night-mode for helm use.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #060e14;
  --panel: #0d1b24;
  --panel-2: #12222c;
  --hairline: #1c3542;
  --text: #e8f1f2;
  --text-dim: #7f97a1;
  --teal: #00d9ff;
  --teal-dim: #0a5f70;
  --amber: #ffb020;
  --danger: #ff5a5a;
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-data: 'JetBrains Mono', ui-monospace, monospace;
  --radius: 3px;
}

[data-theme="night"] {
  --bg: #0a0000;
  --panel: #1a0303;
  --panel-2: #220505;
  --hairline: #3a0a0a;
  --text: #ff8b8b;
  --text-dim: #8a3a3a;
  --teal: #ff5a5a;
  --teal-dim: #5a1a1a;
  --amber: #ff8b3a;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font-family: var(--font-ui);
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: manipulation;
}

button, .tbtn, .btn, .panel-close, .wp-del {
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}
/* Apple HIG minimum comfortable tap target */
.tbtn, .panel-close { min-height: 40px; min-width: 40px; }
.wp-del { min-height: 28px; min-width: 28px; }

button {
  font-family: var(--font-ui);
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

/* Respect the iPad's rounded corners / home indicator / any notch in standalone mode */
#app {
  display: grid;
  grid-template-rows: calc(44px + env(safe-area-inset-top)) 1fr;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* ---------- Top bar ---------- */
#topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: env(safe-area-inset-top) 12px 0 12px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border-bottom: 1px solid var(--hairline);
  z-index: 500;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; letter-spacing: 0.04em; font-size: 14px;
  color: var(--teal);
}
.brand .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 8px var(--teal);
}
.topbar-tools {
  display: flex; gap: 6px; margin-left: auto;
}
.tbtn {
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--text-dim);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 12px;
  display: flex; align-items: center; gap: 6px;
  transition: border-color .15s, color .15s;
}
.tbtn:hover { border-color: var(--teal); color: var(--text); }
.tbtn.active { border-color: var(--teal); color: var(--teal); background: rgba(0,217,255,0.08); }
.status-pill {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--text-dim);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 4px 8px;
}
.status-pill.online { color: var(--teal); border-color: var(--teal-dim); }
.status-pill.offline { color: var(--amber); border-color: var(--amber); }

/* ---------- Main layout ---------- */
#main {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}
#map { position: absolute; inset: 0; background: #04262c; }

.weather-canvas {
  position: absolute; top: 0; left: 0;
  pointer-events: none;
  z-index: 450;
}

/* ---------- Instrument dock (bottom) ---------- */
#instrument-dock {
  position: absolute;
  left: 50%; bottom: calc(14px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  display: flex; gap: 1px;
  background: var(--hairline);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  z-index: 600;
}
.instrument {
  background: var(--panel);
  padding: 8px 16px;
  min-width: 76px;
  text-align: center;
}
.instrument .label {
  font-size: 9px; letter-spacing: 0.08em; color: var(--text-dim);
  text-transform: uppercase; margin-bottom: 2px;
}
.instrument .value {
  font-family: var(--font-data); font-weight: 700; font-size: 18px;
  color: var(--teal);
}
.instrument .value .unit {
  font-size: 10px; color: var(--text-dim); margin-left: 2px; font-weight: 400;
}

/* ---------- Side panels ---------- */
.panel {
  position: absolute;
  top: 8px; right: 8px;
  width: 320px;
  max-height: calc(100vh - 100px);
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.45);
  z-index: 700;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.panel.open { display: flex; }
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--hairline);
  background: var(--panel-2);
}
.panel-header h2 {
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  margin: 0; color: var(--text);
}
.panel-close {
  background: none; border: none; color: var(--text-dim); font-size: 16px; line-height: 1;
}
.panel-close:hover { color: var(--danger); }
.panel-body {
  padding: 12px;
  overflow-y: auto;
  font-size: 13px;
}
.panel-body p { color: var(--text-dim); line-height: 1.5; margin: 0 0 10px; }
.panel-body .field { margin-bottom: 10px; }
.panel-body label {
  display: block; font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-dim); margin-bottom: 4px;
}
.panel-body input[type="text"],
.panel-body input[type="number"],
.panel-body select {
  width: 100%; background: var(--bg); border: 1px solid var(--hairline);
  color: var(--text); border-radius: var(--radius); padding: 8px 8px;
  font-family: var(--font-data); font-size: 16px;
}
@media (hover: hover) and (pointer: fine) {
  .panel-body input[type="text"],
  .panel-body input[type="number"],
  .panel-body select { font-size: 12px; padding: 6px 8px; }
}
.panel-body input[type="file"] { color: var(--text-dim); font-size: 11px; width: 100%; }

.btn {
  background: var(--teal-dim);
  border: 1px solid var(--teal);
  color: var(--text);
  border-radius: var(--radius);
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
  width: 100%;
}
.btn:hover { background: var(--teal); color: #04141a; }
.btn.secondary { background: transparent; border-color: var(--hairline); color: var(--text-dim); }
.btn.secondary:hover { border-color: var(--text-dim); color: var(--text); }
.btn.danger { border-color: var(--danger); color: var(--danger); background: transparent; }
.btn.danger:hover { background: var(--danger); color: #200; }
.btn-row { display: flex; gap: 6px; }
.btn-row .btn { flex: 1; }

/* Route table */
#route-table { width: 100%; border-collapse: collapse; font-family: var(--font-data); font-size: 11px; margin-top: 8px; }
#route-table th { text-align: left; color: var(--text-dim); font-weight: 500; padding: 4px 6px; border-bottom: 1px solid var(--hairline); text-transform: uppercase; font-size: 9px; }
#route-table td { padding: 5px 6px; border-bottom: 1px solid var(--hairline); }
#route-table tr:last-child td { border-bottom: none; }
#route-table td.wpname { color: var(--teal); }
.wp-del { background: none; border: none; color: var(--text-dim); cursor: pointer; }
.wp-del:hover { color: var(--danger); }
#route-summary { margin-top: 10px; padding: 8px; background: var(--panel-2); border-radius: var(--radius); font-family: var(--font-data); font-size: 11px; }
#route-summary div { display: flex; justify-content: space-between; margin-bottom: 3px; }
#route-summary .k { color: var(--text-dim); }

.grib-info { background: var(--panel-2); border-radius: var(--radius); padding: 8px; font-family: var(--font-data); font-size: 11px; margin-top: 8px; }
.grib-info div { display: flex; justify-content: space-between; padding: 2px 0; }
.grib-info .k { color: var(--text-dim); }
.legend-row { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-dim); margin-top: 6px; }

.hint { font-size: 11px; color: var(--text-dim); border-left: 2px solid var(--teal-dim); padding-left: 8px; margin: 8px 0; line-height: 1.5; }
.hint.warn { border-color: var(--amber); }
.hint a { color: var(--teal); }

/* Install banner (iOS Safari — no native install prompt exists, so guide manually) */
#install-banner {
  position: absolute; left: 8px; right: 8px; bottom: calc(78px + env(safe-area-inset-bottom));
  z-index: 950;
}
.install-banner-inner {
  background: var(--panel-2); border: 1px solid var(--teal-dim);
  border-radius: 8px; padding: 10px 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 12px; color: var(--text); box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
#install-banner-close {
  background: none; border: none; color: var(--text-dim); font-size: 14px; flex-shrink: 0;
  min-width: 32px; min-height: 32px;
}
#install-banner-close:hover { color: var(--danger); }

/* Toast */
#toast {
  position: absolute; left: 50%; top: 56px; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--teal-dim); color: var(--text);
  padding: 8px 14px; border-radius: 4px; font-size: 12px; z-index: 900;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
#toast.show { opacity: 1; }

/* Leaflet overrides for dark theme */
.leaflet-control-attribution {
  background: rgba(6,14,20,0.75) !important;
  color: var(--text-dim) !important;
  font-size: 10px !important;
}
.leaflet-control-attribution a { color: var(--teal) !important; }
.leaflet-bar a {
  background: var(--panel) !important;
  color: var(--text) !important;
  border-color: var(--hairline) !important;
}
.leaflet-bar a:hover { background: var(--panel-2) !important; }

.boat-marker {
  filter: drop-shadow(0 0 4px rgba(0,217,255,0.8));
}

/* crosshair cursor for waypoint placement */
.map-placing { cursor: crosshair !important; }

/* iPad (portrait, split-view, and Slide Over widths) */
@media (min-width: 641px) and (max-width: 1024px) {
  .panel { width: 360px; }
  .instrument { padding: 10px 18px; }
  .instrument .value { font-size: 20px; }
}

.panel-body { -webkit-overflow-scrolling: touch; }

/* Mobile */
@media (max-width: 640px) {
  .panel { width: calc(100vw - 16px); right: 8px; left: 8px; }
  #instrument-dock { flex-wrap: wrap; justify-content: center; width: calc(100vw - 24px); }
  .instrument { min-width: 60px; padding: 6px 10px; }
  .brand span.full { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}