/* =========================================================
   VOR SIMULATOR, page-only styles. Load AFTER style.css + kb.css.
   Uses the shared design tokens (--navy, --cyan, --amber, --ink ...).
   ========================================================= */

.vor-hero-blob{ width:380px; height:380px; top:-80px; left:8%; }
.vor-main{ padding-top:3rem; }

/* ---------- Quick start strip ---------- */
.vor-quickstart{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1rem; margin-bottom:1.75rem;
}
.vor-qs-step{
  display:flex; gap:.8rem; align-items:flex-start; padding:1rem 1.1rem;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-md);
  font-size:.86rem; color:var(--sub); line-height:1.5; box-shadow:var(--shadow-sm);
}
.vor-qs-step strong{ color:var(--ink); }
.vor-qs-num{
  flex:none; width:1.7rem; height:1.7rem; border-radius:50%; display:grid; place-items:center;
  font-family:'Space Mono',monospace; font-size:.75rem; font-weight:700;
  background:var(--navy); color:#fff;
}
@media (max-width:1100px){ .vor-quickstart{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .vor-quickstart{ grid-template-columns:1fr; } }

/* ---------- Main layout: chart + side column ---------- */
.vor-layout{ display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,1fr); gap:1.75rem; align-items:start; }
.vor-side{ display:flex; flex-direction:column; }
@media (max-width:1180px){ .vor-layout{ grid-template-columns:1fr; } }

.vor-layout .tool-panel{ padding:1.6rem; }

.vor-panel-head{ display:flex; align-items:center; gap:.8rem; margin-bottom:1.1rem; flex-wrap:wrap; }
.vor-panel-head h2{ margin:0 auto 0 0; }

/* ---------- Help popovers (plain <details>, works without JS) ---------- */
.vor-help{ position:relative; }
.vor-help > summary{
  list-style:none; cursor:pointer; width:1.9rem; height:1.9rem; border-radius:50%;
  display:grid; place-items:center; font-family:'Space Mono',monospace; font-weight:700; font-size:.85rem;
  color:var(--cyan-deep); background:var(--bg-alt); border:1.5px solid var(--line);
  transition:border-color .2s ease, color .2s ease;
}
.vor-help > summary::-webkit-details-marker{ display:none; }
.vor-help > summary:hover, .vor-help[open] > summary{ border-color:var(--cyan); color:var(--navy); }
.vor-help > summary:focus-visible{ outline:2px solid var(--cyan); outline-offset:2px; }
.vor-help-body{
  position:absolute; right:0; top:calc(100% + .6rem); z-index:30; width:min(360px, 80vw);
  background:var(--surface); border:1px solid var(--line); border-left:4px solid var(--cyan);
  border-radius:var(--radius-sm); padding:1rem 1.1rem; box-shadow:var(--shadow-md);
  font-size:.85rem; color:var(--sub); line-height:1.6;
}
.vor-help-body p + p{ margin-top:.6rem; }
.vor-help-body strong{ color:var(--navy); }

/* ---------- Chart canvas ---------- */
.vor-canvas-wrap{ position:relative; }
canvas.vor-map{
  display:block; width:100%; aspect-ratio:1/1; height:auto; margin:0;
  background:#f4f8fb; border:1.5px solid var(--line); border-radius:var(--radius-md);
  touch-action:none; cursor:default;
}
canvas.vor-map:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; }
canvas.vor-map.is-grab{ cursor:grab; }
canvas.vor-map.is-grabbing{ cursor:grabbing; }
canvas.vor-map.is-pick{ cursor:crosshair; }

.vor-map-banner{
  position:absolute; left:50%; top:1rem; transform:translateX(-50%); max-width:90%;
  background:rgba(11,20,32,.9); color:#e8f7fb; font-family:'Space Mono',monospace;
  font-size:.75rem; padding:.55rem .9rem; border-radius:var(--radius-sm); text-align:center;
  border:1px solid rgba(32,196,227,.4); pointer-events:none;
}

/* ---------- Toolbar ---------- */
.vor-toolbar{ display:flex; align-items:center; gap:.6rem; flex-wrap:wrap; margin-top:1rem; }
.vor-toolbar-group{ display:flex; align-items:center; gap:.35rem; }
.vor-toolbar-value{ font-family:'Space Mono',monospace; font-size:.75rem; color:var(--navy); min-width:4.2rem; text-align:center; }
.vor-inline-select{ display:flex; align-items:center; gap:.5rem; margin:0 0 0 auto; font-size:.78rem; font-weight:600; color:var(--sub); }
.vor-inline-select select{ width:auto; padding:.45rem .7rem; font-size:.8rem; }

.vor-btn{
  padding:.55rem .9rem; background:var(--bg-alt); border:1.5px solid var(--line); border-radius:var(--radius-sm);
  color:var(--sub); font-family:'Inter',sans-serif; font-weight:700; font-size:.8rem; cursor:pointer;
  transition:border-color .2s ease, color .2s ease, background .2s ease; line-height:1.2;
}
.vor-btn:hover{ border-color:var(--navy); color:var(--navy); }
.vor-btn:focus-visible, .vor-seg-btn:focus-visible, .vor-tab:focus-visible, .vor-mission:focus-visible{ outline:2px solid var(--cyan); outline-offset:2px; }
.vor-btn:disabled{ opacity:.45; cursor:not-allowed; }
.vor-btn:disabled:hover{ border-color:var(--line); color:var(--sub); }
.vor-btn-icon{ width:2.2rem; padding:.5rem 0; font-size:1rem; }
.vor-btn-strong{ background:var(--navy); border-color:var(--navy); color:#fff; }
.vor-btn-strong:hover{ background:var(--navy-dark); color:#fff; }
.vor-btn-strong.is-active{ background:var(--amber); border-color:var(--amber); color:#fff; }
.vor-btn-strong.is-active:hover{ background:var(--amber); color:#fff; }
.vor-btn-soft{ font-weight:600; color:var(--cyan-deep); background:#fff; }

.vor-btn-play{ display:inline-flex; align-items:center; gap:.5rem; background:var(--navy); border-color:var(--navy); color:#fff; min-width:6.2rem; justify-content:center; }
.vor-btn-play:hover{ background:var(--navy-dark); color:#fff; }
.vor-play-icon{ width:0; height:0; border-left:9px solid currentColor; border-top:6px solid transparent; border-bottom:6px solid transparent; }
.vor-btn-play.is-running{ background:var(--amber); border-color:var(--amber); }
.vor-btn-play.is-running .vor-play-icon{ width:9px; height:11px; border:none; border-left:3px solid currentColor; border-right:3px solid currentColor; }

/* ---------- Overlay toggles ---------- */
.vor-overlays{ border:none; margin-top:1.1rem; display:flex; flex-wrap:wrap; gap:.45rem .5rem; }
.vor-overlays legend{ font-family:'Space Mono',monospace; font-size:.63rem; letter-spacing:.12em; text-transform:uppercase; color:var(--sub-soft); margin-bottom:.55rem; }
.vor-overlays label{
  display:inline-flex; align-items:center; gap:.45rem; margin:0; padding:.35rem .7rem;
  font-size:.78rem; font-weight:600; color:var(--sub); background:var(--bg-alt);
  border:1px solid var(--line); border-radius:var(--radius-pill); cursor:pointer;
}
.vor-overlays input{ accent-color:var(--navy); width:14px; height:14px; }
.vor-overlays input:disabled + span{ opacity:.45; }

/* ---------- Instruments ---------- */
.vor-seg{ display:inline-flex; background:var(--bg-alt); border:1px solid var(--line); border-radius:var(--radius-pill); padding:3px; }
.vor-seg-btn{
  border:none; background:none; padding:.35rem .8rem; border-radius:var(--radius-pill);
  font-family:'Space Mono',monospace; font-size:.7rem; font-weight:700; color:var(--sub); cursor:pointer;
}
.vor-seg-btn.active{ background:var(--navy); color:#fff; }

.vor-instruments{
  display:grid; grid-template-columns:1fr 1fr; gap:1rem;
  background:linear-gradient(160deg,#0f1b2a,#071019); border-radius:var(--radius-md);
  padding:1.1rem; border:1px solid #1d2c3d;
}
.vor-instr{ margin:0; text-align:center; }
canvas.vor-gauge{ display:block; width:100%; aspect-ratio:1/1; height:auto; margin:0; background:transparent; border:none; border-radius:0; }
canvas.vor-gauge-obs{ cursor:ew-resize; touch-action:none; }
.vor-instr figcaption{ font-family:'Space Mono',monospace; font-size:.66rem; letter-spacing:.12em; text-transform:uppercase; color:#7fa3bd; margin-top:.5rem; }

.vor-readouts{ display:grid; grid-template-columns:repeat(4,1fr); gap:.5rem; margin-top:1rem; }
.vor-ro{ background:var(--bg-alt); border:1px solid var(--line); border-radius:var(--radius-sm); padding:.55rem .6rem; min-width:0; }
.vor-ro-l{ display:block; font-family:'Space Mono',monospace; font-size:.58rem; text-transform:uppercase; letter-spacing:.06em; color:var(--sub-soft); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.vor-ro-v{ display:block; font-family:'Space Mono',monospace; font-size:.92rem; font-weight:700; color:var(--navy); white-space:nowrap; }
.vor-ro-v.is-to{ color:var(--amber); }
.vor-ro-v.is-from{ color:var(--cyan-deep); }
.vor-ro-v.is-off{ color:var(--danger); }
@media (max-width:520px){ .vor-readouts{ grid-template-columns:repeat(2,1fr); } }
.vor-hidden-note{ font-size:.78rem; color:var(--sub-soft); margin-top:.6rem; }

/* ---------- Controls ---------- */
.vor-controls .control-group{ margin-bottom:1.3rem; }
.vor-stepper{ display:grid; grid-template-columns:repeat(4,1fr); gap:.4rem; margin-top:.7rem; }
.vor-center-row{ grid-template-columns:1fr 1fr; }
.vor-more{ border-top:1px solid var(--line-soft); padding-top:1rem; margin-bottom:1rem; }
.vor-more > summary{ cursor:pointer; font-size:.85rem; font-weight:700; color:var(--navy); margin-bottom:1rem; }
.vor-ident{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  background:#0b1420; border-radius:var(--radius-sm); padding:.8rem 1rem; border:1px solid rgba(32,196,227,.3);
}
.vor-ident-id{ font-family:'Space Mono',monospace; font-weight:700; color:#fff; letter-spacing:.08em; }
.vor-ident-id span{ color:var(--cyan); margin-left:.4rem; font-weight:400; }
.vor-ident-morse{ font-family:'Space Mono',monospace; color:#8ee9f7; font-size:.9rem; letter-spacing:.12em; }
.vor-ident-morse.is-playing{ color:var(--amber); }

/* ---------- Course strip: the four VOR tools in order ---------- */
/* Reset the bare `nav{}` rule in style.css (position:fixed, top:0,
   z-index:1000, meant for the page header): without this, this <nav>
   inherits the same fixed top-left placement and, being later in the
   DOM, paints over the header's language toggle, logo and menu button. */
.vor-course{ position:static; z-index:auto; display:grid; grid-template-columns:repeat(4,1fr); gap:.5rem; margin-bottom:1.6rem; }
@media (max-width:620px){ .vor-course{ grid-template-columns:1fr 1fr; } }
.vor-course-step{
  display:flex; flex-direction:column; gap:.15rem; padding:.6rem .8rem;
  background:var(--bg-alt); border:1.5px solid var(--line); border-radius:var(--radius-sm);
  text-decoration:none; font-size:.82rem; font-weight:700; color:var(--sub);
  transition:border-color .2s ease, color .2s ease, background .2s ease;
}
.vor-course-step:hover{ border-color:var(--navy); color:var(--navy); }
.vor-course-step.is-current{ background:var(--navy); border-color:var(--navy); color:#fff; }
.vor-course-n{ font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.1em; opacity:.7; }

/* ---------- Next step link at the foot of each tool ---------- */
.vor-next{
  display:flex; flex-direction:column; gap:.2rem; margin-top:1.5rem; padding:1.1rem 1.3rem;
  background:linear-gradient(120deg,var(--navy),var(--cyan-deep));
  border-radius:var(--radius-md); text-decoration:none; color:#fff;
  transition:transform .2s var(--ease), box-shadow .2s ease;
}
.vor-next:hover{ transform:translateY(-2px); box-shadow:var(--shadow-md); }
.vor-next-k{ font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.14em; text-transform:uppercase; opacity:.8; }
.vor-next-t{ font-size:1rem; font-weight:700; }

/* ---------- Training tabs ---------- */
.vor-train{ margin-top:.25rem; }
.vor-tabs{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:.6rem; margin-bottom:1.4rem; }
@media (max-width:760px){ .vor-tabs{ grid-template-columns:1fr 1fr; } }
.vor-tab{
  display:flex; flex-direction:column; align-items:flex-start; gap:.2rem; text-align:left;
  padding:.8rem 1rem; background:var(--bg-alt); border:1.5px solid var(--line); border-radius:var(--radius-sm);
  font-family:'Inter',sans-serif; font-size:.88rem; font-weight:700; color:var(--sub); cursor:pointer;
  transition:border-color .2s ease, background .2s ease, color .2s ease;
}
.vor-tab:hover{ border-color:var(--navy); color:var(--navy); }
.vor-tab.active{ background:var(--navy); border-color:var(--navy); color:#fff; }
.vor-tab-num{ font-family:'Space Mono',monospace; font-size:.65rem; letter-spacing:.1em; opacity:.7; }

.vor-mode-intro{ color:var(--sub); font-size:.92rem; margin-bottom:1.1rem; max-width:760px; }
.vor-mode-intro strong{ color:var(--ink); }

.vor-coach{ display:grid; gap:.6rem; }
.vor-coach-line{
  display:flex; gap:.8rem; align-items:flex-start; padding:.75rem 1rem;
  background:var(--bg-alt); border-radius:var(--radius-sm); border-left:4px solid var(--cyan);
  font-size:.9rem; color:var(--sub); line-height:1.55;
}
.vor-coach-line.is-warn{ border-left-color:var(--amber); background:#fff7ed; }
.vor-coach-line.is-off{ border-left-color:var(--danger); background:var(--danger-bg); }
.vor-coach-line.is-good{ border-left-color:var(--success); background:#ecfdf5; }
.vor-coach-tag{ flex:none; font-family:'Space Mono',monospace; font-size:.66rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--navy); min-width:4.6rem; padding-top:.15rem; }

.vor-quiz-bar{ display:flex; align-items:center; gap:.75rem; flex-wrap:wrap; margin-bottom:1rem; }
.vor-cta{ padding:.8rem 1.4rem; font-size:.85rem; }
.vor-score{ margin-left:auto; font-family:'Space Mono',monospace; font-size:.8rem; color:var(--sub); }
.vor-score strong{ color:var(--navy); font-size:1rem; margin-left:.35rem; }

.vor-question{
  font-family:'Sora',sans-serif; font-size:1.1rem; font-weight:700; color:var(--ink);
  margin-bottom:1rem; min-height:1.5em;
}
.vor-feedback:empty{ display:none; }
.vor-feedback{ padding:1rem 1.2rem; border-radius:var(--radius-sm); border-left:4px solid var(--cyan); background:var(--bg-alt); font-size:.9rem; color:var(--sub); line-height:1.6; }
.vor-feedback p + p{ margin-top:.45rem; }
.vor-feedback .vor-fb-title{ font-weight:800; color:var(--ink); }
.vor-feedback.is-good{ border-left-color:var(--success); background:#ecfdf5; }
.vor-feedback.is-good .vor-fb-title{ color:var(--success); }
.vor-feedback.is-bad{ border-left-color:var(--danger); background:var(--danger-bg); }
.vor-feedback.is-bad .vor-fb-title{ color:var(--danger); }

/* ---------- Missions ---------- */
.vor-mission-list{ display:grid; grid-template-columns:repeat(5,1fr); gap:.6rem; margin-bottom:1.2rem; }
@media (max-width:1100px){ .vor-mission-list{ grid-template-columns:1fr 1fr; } }
.vor-mission{
  display:flex; flex-direction:column; align-items:flex-start; gap:.25rem; text-align:left;
  padding:.8rem .95rem; background:#fff; border:1.5px solid var(--line); border-radius:var(--radius-sm);
  font-family:'Inter',sans-serif; font-size:.84rem; font-weight:600; color:var(--sub); cursor:pointer;
  transition:border-color .2s ease;
}
.vor-mission:hover{ border-color:var(--cyan); }
.vor-mission.active{ border-color:var(--navy); background:var(--bg-alt); color:var(--ink); }
.vor-mission.done .vor-mission-n::after{ content:" ✓"; color:var(--success); }
.vor-mission-n{ font-family:'Space Mono',monospace; font-size:.7rem; font-weight:700; color:var(--navy); }

.vor-mission-box{ border:1px solid var(--line); border-radius:var(--radius-md); padding:1.2rem 1.3rem; background:var(--bg); }
.vor-mission-brief{
  background:#0b1420; color:#8ee9f7; font-family:'Space Mono',monospace; font-size:.82rem; line-height:1.8;
  padding:1rem 1.2rem; border-radius:var(--radius-sm); border:1px solid rgba(32,196,227,.3); margin-bottom:1rem;
}
.vor-mission-brief .vor-brief-tag{ color:var(--cyan); font-weight:700; }
.vor-mission-brief div{ white-space:pre-wrap; }
.vor-progress{ height:10px; background:var(--bg-alt); border:1px solid var(--line); border-radius:6px; overflow:hidden; margin-bottom:.7rem; }
.vor-progress-fill{ height:100%; width:0%; background:linear-gradient(90deg,var(--cyan),var(--navy)); transition:width .25s linear; }
.vor-progress-fill.is-done{ background:var(--success); }
.vor-mission-status{ font-family:'Space Mono',monospace; font-size:.78rem; color:var(--sub); margin-bottom:1rem; min-height:1.2em; }

/* ---------- Learning guide ---------- */
.vor-guide h2{ font-size:1.5rem; margin-bottom:1.5rem; }
.vor-steps{ list-style:none; display:grid; grid-template-columns:repeat(5,1fr); gap:1rem; margin:0 0 1rem; }
@media (max-width:1100px){ .vor-steps{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .vor-steps{ grid-template-columns:1fr; } }
.vor-steps li{ display:flex; flex-direction:column; gap:.5rem; padding:1.1rem; background:var(--bg-alt); border-radius:var(--radius-md); border:1px solid var(--line); }
.vor-step-k{ font-family:'Space Mono',monospace; font-size:.72rem; font-weight:700; color:var(--cyan-deep); }
.vor-steps strong{ font-family:'Sora',sans-serif; font-size:1.05rem; color:var(--navy); }
.vor-steps p{ font-size:.85rem; color:var(--sub); margin-top:.3rem; line-height:1.55; }

.vor-guide-grid{ display:grid; grid-template-columns:1fr 1fr; gap:.8rem; }
@media (max-width:800px){ .vor-guide-grid{ grid-template-columns:1fr; } }
.vor-acc{ border:1px solid var(--line); border-radius:var(--radius-sm); background:#fff; }
.vor-acc > summary{
  cursor:pointer; padding:.9rem 1.1rem; font-weight:700; color:var(--navy); font-size:.95rem;
  list-style:none; display:flex; justify-content:space-between; align-items:center; gap:1rem;
}
.vor-acc > summary::-webkit-details-marker{ display:none; }
.vor-acc > summary::after{ content:"+"; font-family:'Space Mono',monospace; color:var(--cyan-deep); font-size:1.1rem; }
.vor-acc[open] > summary::after{ content:"−"; }
.vor-acc > summary:focus-visible{ outline:2px solid var(--cyan); outline-offset:2px; }
.vor-acc-body{ padding:0 1.1rem 1rem; font-size:.88rem; color:var(--sub); line-height:1.65; }
.vor-acc-body p + p{ margin-top:.55rem; }
.vor-acc-body strong{ color:var(--ink); }

.vor-ref-title{ margin-top:2rem; }
.vor-ref-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:.6rem; }
@media (max-width:800px){ .vor-ref-grid{ grid-template-columns:1fr; } }
.vor-ref{ display:flex; flex-direction:column; gap:.2rem; padding:.8rem 1rem; background:var(--bg-alt); border:1px solid var(--line); border-radius:var(--radius-sm); }
.vor-ref-k{ font-family:'Space Mono',monospace; font-size:.62rem; letter-spacing:.08em; text-transform:uppercase; color:var(--sub-soft); }
.vor-ref-v{ font-family:'Space Mono',monospace; font-size:.85rem; font-weight:700; color:var(--navy); }

/* ---------- DME head ---------- */
.vor-dme{
  margin-top:1rem; padding:.8rem .9rem;
  background:#0b1420; border:1px solid #18263a; border-radius:var(--radius-sm);
}
.vor-dme-head{
  font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.14em;
  text-transform:uppercase; color:#7fa3bd; margin-bottom:.55rem;
}
.vor-dme-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:.5rem; }
.vor-dme-cell{ min-width:0; }
.vor-dme-l{
  display:block; font-family:'Space Mono',monospace; font-size:.55rem;
  letter-spacing:.06em; text-transform:uppercase; color:#5d7f99;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.vor-dme-v{
  display:block; font-family:'Space Mono',monospace; font-size:1rem; font-weight:700;
  color:#20c4e3; white-space:nowrap;
}
.vor-dme-note{ margin:.6rem 0 0; font-size:.68rem; line-height:1.5; color:#7fa3bd; }
.vor-readouts-nav2{ grid-template-columns:repeat(2,1fr); margin-top:.5rem; }
.vor-readouts-nav2 .vor-ro{ border-color:rgba(16,185,129,.4); }
.vor-readouts-nav2 .vor-ro-v{ color:#0f9b6c; }

/* ---------- Second receiver ---------- */
.vor-nav2-ctl{ border-top:1px solid var(--line); padding-top:1rem; }
.vor-switch{ display:flex; align-items:center; gap:.55rem; cursor:pointer; font-size:.84rem; font-weight:600; color:var(--ink); }
.vor-switch input{ width:1.05rem; height:1.05rem; accent-color:var(--success, #10b981); cursor:pointer; }
#vorObs2Row{ margin-top:.9rem; }

/* ---------- Holding answers ---------- */
.vor-hold-answers{ display:grid; grid-template-columns:repeat(3,1fr); gap:.6rem; margin:1rem 0; }
@media (max-width:520px){ .vor-hold-answers{ grid-template-columns:1fr; } }
.vor-hold-answer{ padding:.75rem 1rem; font-size:.9rem; }
.vor-hold-answer.is-right{ background:#10b981; border-color:#10b981; color:#fff; }
.vor-hold-answer.is-wrong{ background:var(--danger); border-color:var(--danger); color:#fff; }
.vor-hold-answer:disabled{ opacity:1; cursor:default; }

@media (max-width:700px){
  .vor-layout .tool-panel, .vor-train, .vor-guide{ padding:1.2rem; }
  .vor-inline-select{ margin-left:0; }
  .vor-dme-row{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion:reduce){
  .vor-progress-fill{ transition:none; }
}

@media print{
  .vor-toolbar, .vor-overlays, .vor-controls, .vor-train, .vor-quickstart{ display:none !important; }
  .vor-acc-body{ display:block !important; }
}