:root {
  --navy: #0b3550;
  --navy-dark: #082638;
  --accent: #1b7fb0;
  --accent-light: #e8f4fb;
  --yellow: #fff6cc;
  --yellow-border: #e8d27a;
  --ok: #1a7a3c;
  --ok-bg: #e6f6ea;
  --watch: #a5680a;
  --watch-bg: #fdf1de;
  --danger: #b3261e;
  --danger-bg: #fbe9e7;
  --border: #d8dee3;
  --text: #1c2b33;
  --text-dim: #5b6b74;
  --bg: #f4f7f9;
  --card-bg: #ffffff;
  --radius: 10px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

#app { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }

.topbar {
  background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  color: #fff;
  padding: 10px 14px;
  padding-top: max(10px, env(safe-area-inset-top));
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 auto;
}
.ship-name { font-weight: 700; font-size: 14px; letter-spacing: 0.03em; }
.app-name { font-size: 11.5px; opacity: 0.8; margin-top: 1px; }
.icon-btn {
  background: rgba(255,255,255,0.12);
  border: none;
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
}
.icon-btn:active { background: rgba(255,255,255,0.25); }

.tab-strip {
  display: flex;
  overflow-x: auto;
  background: var(--navy-dark);
  flex: 0 0 auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tab-strip::-webkit-scrollbar { display: none; }
.tab-btn {
  flex: 0 0 auto;
  padding: 10px 14px;
  color: rgba(255,255,255,0.65);
  font-size: 13px;
  font-weight: 600;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.tab-btn.active { color: #fff; border-bottom-color: var(--accent); }

.content { flex: 1 1 auto; overflow-y: auto; padding: 12px 12px calc(24px + var(--safe-bottom)); }
/* On a wide desktop/Windows browser window the app would otherwise stretch
   edge-to-edge; center it in a readable column instead. On narrow/mobile
   viewports max-width simply never kicks in, so this is a no-op there. */
.content-inner { max-width: 900px; margin: 0 auto; width: 100%; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.card h2 { margin: 0 0 10px; font-size: 15px; color: var(--navy); }
.card h3 { margin: 0 0 8px; font-size: 13.5px; color: var(--navy); }
.muted { color: var(--text-dim); font-size: 12.5px; line-height: 1.5; }
.section-title {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-dim); margin: 18px 2px 8px; font-weight: 700;
}
.section-title:first-child { margin-top: 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 10px 14px; font-size: 13.5px; font-weight: 600; cursor: pointer;
}
.btn:active { filter: brightness(0.92); }
.btn.secondary { background: var(--accent-light); color: var(--navy); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.danger { background: var(--danger-bg); color: var(--danger); }
.btn.full { width: 100%; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

label { display: block; font-size: 12px; font-weight: 600; color: var(--text-dim); margin: 10px 0 4px; }
label:first-child { margin-top: 0; }
input, select, textarea {
  width: 100%; padding: 9px 10px; font-size: 14.5px; border: 1px solid var(--border);
  border-radius: 8px; background: #fff; color: var(--text); font-family: inherit;
}
input.yellow, select.yellow, textarea.yellow { background: var(--yellow); border-color: var(--yellow-border); }
textarea { resize: vertical; min-height: 56px; }
.field-hint { font-size: 11px; color: var(--text-dim); margin-top: 3px; }
.field-row { display: flex; gap: 10px; }
.field-row > div { flex: 1; min-width: 0; }

table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--text-dim); font-weight: 700; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.03em; }
.table-scroll { overflow-x: auto; margin: 0 -14px; padding: 0 14px; }
.table-scroll table { min-width: 640px; }
tr.clickable { cursor: pointer; }
tr.clickable:active { background: var(--accent-light); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 10.5px; font-weight: 700; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.watch { background: var(--watch-bg); color: var(--watch); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.neutral { background: #eef1f3; color: var(--text-dim); }

.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 520px) { .stat-grid { grid-template-columns: repeat(3, 1fr); } }
.stat-tile { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.stat-tile .num { font-size: 22px; font-weight: 700; color: var(--navy); }
.stat-tile .lbl { font-size: 11px; color: var(--text-dim); margin-top: 2px; }

.tank-bar-track { height: 10px; border-radius: 6px; background: #eef1f3; overflow: hidden; margin-top: 6px; }
.tank-bar-fill { height: 100%; border-radius: 6px; background: var(--accent); }
.tank-bar-fill.watch { background: #d99a1f; }
.tank-bar-fill.danger { background: var(--danger); }

.narrative-box {
  background: #fbf9ef; border: 1px solid var(--yellow-border); border-radius: 8px;
  padding: 10px 12px; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px;
  white-space: pre-wrap; line-height: 1.5; color: #3a3220;
}
.narrative-box mark { background: #ffd3d3; color: #7a1414; padding: 0 2px; border-radius: 3px; }

/* ORB Record: a CSS Grid (not a <table>) so the ITEM column's numbers stay genuinely aligned with
   the RECORD column's text, row for row, even when a line wraps — see the comment in app.js's
   renderOrb for why a plain table can't guarantee that. Date/Code/Audit cells span every row of
   their entry (grid-row: start / span N); Item/Record get one explicit row per physical line. */
.orb-grid { display: grid; align-items: start; min-width: 640px; }
.orb-grid-th {
  padding: 7px 8px; color: var(--text-dim); font-weight: 700; font-size: 10.5px;
  text-transform: uppercase; letter-spacing: 0.03em; border-bottom: 1px solid var(--border);
  grid-row: 1;
}
.orb-grid-td { padding: 4px 8px; font-size: 13px; }
.orb-grid-td.entry-start { padding-top: 7px; border-top: 1px solid var(--border); }
.orb-grid-td.clickable { cursor: pointer; }
.orb-grid-td.clickable:active { background: var(--accent-light); }
.orb-grid-item-no { font-weight: 700; color: var(--accent); font-size: 11.5px; }
.orb-grid-td.is-transcribed { opacity: 0.55; }
.orb-grid-sig { color: var(--text-dim); font-size: 12.5px; padding-top: 6px; }

.empty-state { text-align: center; padding: 30px 10px; color: var(--text-dim); }
.empty-state .big { font-size: 32px; margin-bottom: 8px; }

.fab {
  position: fixed; right: 18px; bottom: calc(18px + var(--safe-bottom));
  width: 54px; height: 54px; border-radius: 50%; background: var(--accent); color: #fff;
  border: none; font-size: 26px; box-shadow: 0 4px 14px rgba(0,0,0,0.25); cursor: pointer; z-index: 20;
}

.side-menu.hidden { display: none; }
.side-menu { position: fixed; inset: 0; z-index: 50; }
.side-menu-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
.side-menu-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 78%; max-width: 320px;
  background: #fff; box-shadow: -6px 0 20px rgba(0,0,0,0.2); overflow-y: auto;
  padding-top: max(0px, env(safe-area-inset-top));
}
.side-menu-header { padding: 16px 16px 8px; font-weight: 700; color: var(--navy); font-size: 15px; }
.side-menu-nav { display: flex; flex-direction: column; padding: 6px 0 20px; }
.side-menu-nav button {
  text-align: left; background: none; border: none; padding: 12px 18px; font-size: 14.5px;
  color: var(--text); border-bottom: 1px solid #f0f2f4; cursor: pointer;
}
.side-menu-nav button.active { color: var(--accent); font-weight: 700; }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + var(--safe-bottom)); transform: translateX(-50%);
  background: #1c2b33; color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 13px; z-index: 100;
}
.toast.hidden { display: none; }

.back-link { display: inline-flex; align-items: center; gap: 4px; color: var(--accent); font-size: 13px; font-weight: 600; margin-bottom: 10px; background: none; border: none; padding: 4px 0; cursor: pointer; }

.chip-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { background: var(--accent-light); color: var(--navy); font-size: 11.5px; padding: 4px 9px; border-radius: 999px; }

.collapsible-header { display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.collapsible-body { margin-top: 8px; }
.collapsible-body.collapsed { display: none; }

@media print {
  .topbar, .tab-strip, .fab, .side-menu, .btn-row, .no-print { display: none !important; }
  .content { overflow: visible; padding: 0; }
  body { background: #fff; }
  .card { border: none; padding: 0; margin-bottom: 18px; break-inside: avoid; }
}

/* Desktop/Windows: real mouse+pointer devices get hover feedback on clickable
   elements. Gated behind (hover: hover) and (pointer: fine) so touchscreens
   (where the existing :active states already handle feedback) don't get a
   "sticky hover" that stays highlighted after a tap. */
@media (hover: hover) and (pointer: fine) {
  .icon-btn:hover { background: rgba(255,255,255,0.18); }
  .tab-btn:hover { color: #fff; }
  .btn:hover { filter: brightness(0.95); }
  .btn.ghost:hover { background: var(--accent-light); }
  .btn.danger:hover { filter: brightness(0.95); background: var(--danger-bg); }
  tr.clickable:hover { background: var(--accent-light); }
  .orb-grid-td.clickable:hover { background: var(--accent-light); }
  .side-menu-nav button:hover { background: #f5f7f9; }
  .collapsible-header:hover { opacity: 0.85; }
  .back-link:hover { text-decoration: underline; }
  a:hover { text-decoration: underline; }
}

.kv-list { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 13px; }
.kv-list dt { color: var(--text-dim); }
.kv-list dd { margin: 0; font-weight: 600; }

hr.sep { border: none; border-top: 1px solid var(--border); margin: 14px 0; }

.license-gate {
  position: fixed; inset: 0; z-index: 500; display: flex; align-items: center; justify-content: center;
  background: var(--navy, #0b3550); padding: 20px;
}
.license-gate.hidden { display: none; }
.license-card {
  background: #fff; border-radius: var(--radius, 10px); padding: 22px; width: 100%; max-width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}
.license-title { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.license-sub { font-size: 12.5px; color: var(--text-dim); margin-bottom: 14px; line-height: 1.4; }
.license-error { font-size: 12px; color: var(--danger); margin-top: 8px; }
.license-error.hidden { display: none; }
.license-hint { font-size: 11px; color: var(--text-dim); margin-top: 12px; text-align: center; }