/* ============================================================
   NATO Mil-Avn English — Field Glossary
   Dossier aesthetic. Manila cards on a dark olive desk.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --serif: "Source Serif 4", Iowan Old Style, "Apple Garamond", Baskerville, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --typewriter: "Special Elite", "Courier Prime", "Courier New", Courier, monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.18);
  --shadow-md: 0 6px 18px rgba(0,0,0,.32);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.45);
  --shadow-paper: 0 1px 0 rgba(0,0,0,.05) inset, 0 18px 36px -8px rgba(0,0,0,.55), 0 4px 14px rgba(0,0,0,.4);

  --transition-fast: 120ms cubic-bezier(.4,0,.2,1);
  --transition-med: 240ms cubic-bezier(.4,0,.2,1);
  --transition-slow: 600ms cubic-bezier(.4,0,.2,1);

  /* Category codes — NATO map symbology inspired */
  --cat-aviation: #4ec3e0;          /* sky cyan */
  --cat-aviation-dark: #1a6b87;
  --cat-aviation-soft: #4ec3e022;
  --cat-military: #d8a55a;          /* ochre / olive drab */
  --cat-military-dark: #8a5a1a;
  --cat-military-soft: #d8a55a22;
  --cat-joint: #d97a6c;              /* brick red */
  --cat-joint-dark: #a04030;
  --cat-joint-soft: #d97a6c22;

  /* Stamp inks — faded-document register, not fire-engine red */
  --ink-classified: #8a3a30;         /* CLASSIFIED — faded brick */
  --ink-approved:   #4f6b3a;         /* APPROVED olive */
  --ink-hold:       #b48232;         /* HOLD — softer amber */
  --ink-noted:      #36608a;         /* NOTED navy */
  --ink-rejected:   #793127;
}

/* Default theme: dossier (desk view) */
[data-theme="dossier"] {
  --bg: #1d1f1a;                /* slightly warmer, slightly lighter desk surface */
  --bg-soft: #24261f;
  --bg-elev: #2d2f27;
  --bg-elev-2: #3a3c33;
  --bg-paper: #e1d5b3;          /* parchment — less yellow, more cream */
  --bg-paper-aged: #d3c598;     /* slightly aged */
  --bg-paper-light: #ece2c2;    /* light parchment */
  --bg-paper-edge: #ad9c6f;     /* paper edge / shadow */

  --fg: #e8e2cf;                /* desk-side off-white */
  --fg-muted: #9d9a87;
  --fg-faint: #6e6c5d;
  --fg-paper: #2a2516;          /* dark ink on paper */
  --fg-paper-muted: #5d5440;
  --fg-paper-faint: #8a7d5f;

  --border: #3d4234;
  --border-soft: #2a2e23;
  --border-paper: #ac9966;      /* slightly muted paper edge */

  --accent: #d8c592;             /* manila highlight */
  --accent-strong: #f0d8a0;
  --link: #d8c592;
  --kbd-bg: #2c3127;
  --kbd-fg: #d8c592;
  --selection: rgba(216, 197, 146, .25);

  --grade-again: var(--ink-rejected);
  --grade-hard: var(--ink-hold);
  --grade-good: var(--ink-approved);
  --grade-easy: var(--ink-noted);
}

/* Field manual theme (paper everywhere) — softer ivory parchment register */
[data-theme="field"] {
  --bg: #c2b485;                 /* warm parchment desk */
  --bg-soft: #ccbf91;
  --bg-elev: #e1d5b3;            /* paper card */
  --bg-elev-2: #ece2c2;
  --bg-paper: #ece2c2;
  --bg-paper-aged: #ddd0a8;
  --bg-paper-light: #f4ecd1;
  --bg-paper-edge: #978764;

  --fg: #2e2a1f;
  --fg-muted: #5d5440;
  --fg-faint: #8a7e60;
  --fg-paper: #2e2a1f;
  --fg-paper-muted: #5d5440;
  --fg-paper-faint: #8a7e60;

  --border: #98885c;
  --border-soft: #b8a87a;
  --border-paper: #75663f;

  --accent: #5d5440;
  --accent-strong: #2a2516;
  --link: #6e3424;
  --kbd-bg: #e1d5b3;
  --kbd-fg: #2a2516;
  --selection: rgba(93, 84, 64, .3);

  --grade-again: var(--ink-rejected);
  --grade-hard: var(--ink-hold);
  --grade-good: var(--ink-approved);
  --grade-easy: var(--ink-noted);
}

/* ---------- Reset / base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11", "kern";
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Subtle dotted overlay — texture for the desk */
  background-image:
    radial-gradient(rgba(216, 197, 146, 0.018) 1px, transparent 1px),
    radial-gradient(rgba(216, 197, 146, 0.012) 1px, transparent 1px);
  background-size: 4px 4px, 7px 7px;
  background-position: 0 0, 2px 2px;
}

::selection { background: var(--selection); }

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

kbd {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78em;
  background: var(--kbd-bg);
  color: var(--kbd-fg);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
  box-shadow: 0 1px 0 var(--border-soft);
  vertical-align: 1px;
  letter-spacing: .03em;
}

a { color: var(--link); text-decoration: underline; text-decoration-color: rgba(216,197,146,.3); text-underline-offset: 2px; }
a:hover { text-decoration-color: currentColor; }

input, select, textarea {
  font: inherit;
  color: inherit;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  outline: none;
  transition: border-color var(--transition-fast);
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }

[hidden] { display: none !important; }

/* ============================================================
   CLASSIFICATION BANNERS (top + bottom)
   ============================================================ */
.classification-banner {
  background: linear-gradient(180deg, var(--bg-soft), var(--bg) 110%);
  color: color-mix(in srgb, var(--ink-classified) 70%, #d8c5a8);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .2em;
  padding: 6px 16px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  position: sticky;
  z-index: 60;
}
.classification-banner-top {
  top: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink-classified) 55%, transparent);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--ink-classified) 22%, transparent);
}
.classification-banner-bottom {
  bottom: 0;
  border-top: 1px solid color-mix(in srgb, var(--ink-classified) 55%, transparent);
  box-shadow: 0 -1px 0 color-mix(in srgb, var(--ink-classified) 22%, transparent);
  margin-top: 40px;
}
.cb-stamp {
  font-family: var(--typewriter);
  font-size: 12.5px;
  letter-spacing: .18em;
  color: color-mix(in srgb, var(--ink-classified) 85%, #f0d8b8);
}
.cb-divider { opacity: .35; }
.cb-text { opacity: .82; }

/* ============================================================
   APP HEADER — the metadata strip
   ============================================================ */
.app-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px 28px 16px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 28px; /* below classification banner */
  z-index: 50;
  backdrop-filter: saturate(140%) blur(6px);
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  color: var(--accent);
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
}
.brand-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.brand-eyebrow {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--fg-faint);
  letter-spacing: .25em;
  font-weight: 500;
  white-space: nowrap;
}
.brand-text h1 {
  font-family: var(--typewriter);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--fg);
  line-height: 1;
  margin-top: 2px;
  white-space: nowrap;
}
.brand-sub {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-muted);
  letter-spacing: .12em;
  margin-top: 2px;
  white-space: nowrap;
}

/* Folder-tab navigation */
.mode-tabs {
  display: flex;
  gap: 0;
  justify-self: center;
  align-self: end;
  position: relative;
}
.mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px 8px;
  font-size: 12.5px;
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: .12em;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  color: var(--fg-muted);
  background: var(--bg-elev);
  margin-right: -1px;
  position: relative;
  bottom: -1px;
  transition: all var(--transition-fast);
}
.mode-tab:hover { color: var(--fg); background: var(--bg-elev-2); }
.mode-tab[aria-selected="true"] {
  color: var(--accent);
  background: var(--bg-paper);
  border-color: var(--border-paper);
  z-index: 2;
  box-shadow: 0 -2px 6px rgba(0,0,0,.15);
}
.mode-tab[aria-selected="true"] .tab-key,
.mode-tab[aria-selected="true"] .tab-label {
  color: var(--fg-paper);
}
.tab-key {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  font-size: 10px;
  font-family: var(--mono);
  background: rgba(0,0,0,.2);
  border: 1px solid currentColor;
  border-radius: 3px;
  opacity: .6;
}
.mode-tab[aria-selected="true"] .tab-key {
  background: var(--bg-paper-aged);
  border-color: var(--fg-paper);
  opacity: 1;
}

.header-tools { display: flex; gap: 6px; }
.icon-btn {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  transition: all var(--transition-fast);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--mono);
}
.icon-btn:hover { background: var(--bg-elev-2); color: var(--accent); border-color: var(--accent); }

/* ============================================================
   FILTER BAR — log strip below header
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-wrap: wrap;
  font-family: var(--mono);
}
.chip-group { display: flex; align-items: center; gap: 6px; border: none; }
.chip-group legend {
  font-size: 9.5px;
  color: var(--fg-faint);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-right: 6px;
}
.chip { position: relative; display: inline-flex; align-items: center; cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block;
  padding: 4px 11px;
  font-size: 11px;
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--fg-muted);
  background: var(--bg-elev);
  transition: all var(--transition-fast);
}
.chip input:checked + span {
  background: var(--bg-elev-2);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.chip:hover span { color: var(--fg); }
.filter-spacer { flex: 1; }
.card-count {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-faint);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ============================================================
   APP MAIN
   ============================================================ */
.app-main {
  flex: 1;
  padding: 36px 28px 60px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}
.view { animation: fadeIn 240ms ease-out; }
.view[hidden] { display: none; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   FLASHCARDS — the dossier files
   ============================================================ */
.card-stage {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.card-progress > span:first-child {
  min-width: 80px;
  font-weight: 600;
  color: var(--accent);
}
.progress-track {
  flex: 1;
  height: 3px;
  background: var(--bg-elev);
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.progress-fill {
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    var(--accent) 0 8px,
    var(--accent-strong) 8px 16px
  );
  transition: width var(--transition-med);
  width: 0;
}
.streak {
  background: var(--bg-elev);
  padding: 3px 10px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  font-family: var(--mono);
}
.mastery-pills {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.mp {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  color: var(--fg-muted);
  font-family: var(--mono);
  font-weight: 600;
}
.mp-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--fg-faint); }
.mp-due .mp-dot      { background: var(--ink-rejected); }
.mp-learning .mp-dot { background: var(--ink-hold); }
.mp-known .mp-dot    { background: var(--ink-approved); }

/* The card shell */
.flashcard-shell {
  perspective: 1800px;
  position: relative;
}

/* Stamp overlay for grading feedback */
.stamp-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 30;
  display: grid;
  place-items: center;
}
.stamp-overlay::after {
  content: attr(data-stamp);
  display: none;
  font-family: var(--typewriter);
  font-size: 96px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ink-classified);
  text-transform: uppercase;
  border: 5px solid currentColor;
  padding: 18px 36px;
  transform: rotate(-12deg);
  opacity: 0;
  text-shadow: 0 0 1px rgba(255,255,255,.2);
  box-shadow: 0 0 1px currentColor inset;
}
.stamp-overlay[data-stamp] { display: grid; }
.stamp-overlay[data-stamp]::after { display: inline-block; animation: stampPress 700ms ease-out forwards; }
.stamp-overlay[data-grade="again"]::after { color: var(--ink-rejected); }
.stamp-overlay[data-grade="hard"]::after  { color: var(--ink-hold); }
.stamp-overlay[data-grade="good"]::after  { color: var(--ink-approved); }
.stamp-overlay[data-grade="easy"]::after  { color: var(--ink-noted); }

@keyframes stampPress {
  0%   { opacity: 0; transform: rotate(-12deg) scale(2.2); }
  18%  { opacity: 0.95; transform: rotate(-12deg) scale(1); }
  85%  { opacity: 0.95; transform: rotate(-12deg) scale(1); }
  100% { opacity: 0; transform: rotate(-12deg) scale(1); }
}

.flashcard {
  position: relative;
  width: 100%;
  min-height: 480px;
  transform-style: preserve-3d;
  transition: transform 580ms cubic-bezier(.55,0,.25,1);
  cursor: pointer;
  outline: none;
}
.flashcard.flipped { transform: rotateY(180deg); }
.flashcard:focus-visible .card-face {
  box-shadow: 0 0 0 3px var(--accent), var(--shadow-paper);
}
.flashcard:hover:not(.flipped) .card-face-front,
.flashcard:hover.flipped .card-face-back {
  transform: translateY(-2px);
}

/* The two faces — manila paper */
.card-face {
  position: absolute;
  inset: 0;
  background: var(--bg-paper);
  /* Subtle paper texture: layered noise via gradients */
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0 80px,
      rgba(0,0,0,.018) 80px 81px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0 80px,
      rgba(0,0,0,.014) 80px 81px
    ),
    radial-gradient(at 20% 20%, rgba(255,235,180,.4) 0%, transparent 35%),
    radial-gradient(at 80% 70%, rgba(120,90,40,.12) 0%, transparent 50%);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  padding: 28px 36px 24px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-paper);
  transition: transform var(--transition-med);
}
.card-face::before {
  /* punched holes (left margin) */
  content: "";
  position: absolute;
  left: 12px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  border-left: 1px dashed rgba(0,0,0,.18);
}
.card-face-back {
  transform: rotateY(180deg);
  overflow-y: auto;
  gap: 14px;
}

/* Watermark — large diagonal text */
.card-watermark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  font-family: var(--typewriter);
  font-size: 82px;
  font-weight: 400;
  letter-spacing: .12em;
  color: rgba(0,0,0,.04);
  transform: rotate(-22deg);
  white-space: nowrap;
  z-index: 0;
  user-select: none;
  border-top: none;
}
.card-watermark-declass { color: rgba(40,80,40,.06); }

/* Strips — top and bottom of card */
.card-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-paper-muted);
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}
.card-strip-top {
  border-bottom: 1px dashed var(--fg-paper-faint);
  padding-bottom: 10px;
  margin-bottom: 8px;
}
.card-strip-bottom {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--fg-paper-faint);
  justify-content: center;
  font-size: 9.5px;
}
.dossier-id {
  font-weight: 700;
  color: var(--fg-paper);
  font-size: 10.5px;
}
.dtg {
  margin-left: auto;
  color: var(--fg-paper-muted);
}
.strip-text { color: var(--fg-paper-faint); }
.strip-text kbd {
  background: rgba(0,0,0,.12);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
}

/* Pills inside cards */
.cat-pill, .level-pill, .pos-pill, .back-stamp {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
  display: inline-block;
  line-height: 1.1;
}
.cat-pill[data-cat="aviation"]         { color: var(--cat-aviation-dark);  background: var(--cat-aviation-soft); }
.cat-pill[data-cat="military"]         { color: var(--cat-military-dark);  background: var(--cat-military-soft); }
.cat-pill[data-cat="military-aviation"]{ color: var(--cat-joint-dark);     background: var(--cat-joint-soft); }
.level-pill[data-level="C1"] { color: var(--fg-paper-muted); }
.level-pill[data-level="C2"] {
  color: var(--ink-classified);
  background: rgba(168,42,31,.08);
}
.pos-pill {
  color: var(--fg-paper-faint);
  border-style: dashed;
  border-color: var(--fg-paper-faint);
}
.back-stamp {
  margin-left: auto;
  color: var(--ink-classified);
  border: 2px solid currentColor;
  border-radius: 0;
  padding: 4px 10px;
  font-family: var(--typewriter);
  letter-spacing: .15em;
  transform: rotate(-2deg);
  font-size: 11px;
}

/* Term display */
.card-term-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 20px 0;
  z-index: 2;
}
.subject-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .25em;
  color: var(--fg-paper-faint);
  margin-bottom: 14px;
}
.card-term {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(36px, 6vw, 56px);
  letter-spacing: -0.015em;
  line-height: 1.05;
  color: var(--fg-paper);
}
.card-ipa {
  font-family: var(--mono);
  color: var(--fg-paper-muted);
  margin-top: 10px;
  font-size: 16px;
  letter-spacing: .03em;
}

.speak-btn {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 2px;
  background: rgba(0,0,0,.06);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
  transition: all var(--transition-fast);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .15em;
}
.speak-btn:hover {
  background: var(--fg-paper);
  color: var(--bg-paper);
  transform: translateY(-1px);
}
.speak-btn.speaking {
  background: var(--ink-approved);
  color: var(--bg-paper-light);
  border-color: var(--ink-approved);
  animation: pulseScale 800ms ease-in-out infinite;
}
.speak-label { font-weight: 600; letter-spacing: .15em; }
@keyframes pulseScale {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

/* Card back content */
.card-back-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  z-index: 2;
}
.back-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--fg-paper-faint);
  font-weight: 600;
  border-bottom: 1px dotted var(--fg-paper-faint);
  padding-bottom: 4px;
  margin-bottom: 4px;
}
.back-sublabel {
  font-family: var(--mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--fg-paper-faint);
  font-weight: 600;
  margin-top: 6px;
}
.back-label-row { display: flex; align-items: center; gap: 8px; }
.back-label-row .back-label {
  flex: 1;
  border-bottom: 1px dotted var(--fg-paper-faint);
}

#fc-definition,
.uk-text,
.uk-note,
.example-text,
.collocations,
.etym {
  color: var(--fg-paper);
}
.uk-text { font-size: 17px; color: var(--fg-paper); font-weight: 500; }
.uk-note { font-size: 13px; color: var(--fg-paper-muted); line-height: 1.55; }
.example-text {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--fg-paper);
  line-height: 1.6;
  border-left: 2px solid var(--ink-classified);
  padding-left: 14px;
  background: rgba(0,0,0,.025);
  padding-top: 4px;
  padding-bottom: 4px;
}
.collocations {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-paper-muted);
  line-height: 1.8;
}
.etym { font-size: 12.5px; color: var(--fg-paper-muted); font-style: italic; }
.readmore {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--mono);
  font-size: 12px;
}
.readmore li::before { content: "» "; color: var(--fg-paper-faint); }
.readmore a { color: var(--ink-noted); text-decoration-color: rgba(42,90,138,.4); }

.card-extras {
  border-top: 1px dashed var(--fg-paper-faint);
  padding-top: 10px;
  margin-top: 4px;
}
.card-extras summary {
  cursor: pointer;
  font-size: 10.5px;
  color: var(--fg-paper-muted);
  font-family: var(--mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  user-select: none;
  padding: 4px 0;
  font-weight: 600;
}
.card-extras summary:hover { color: var(--fg-paper); }
.card-extras[open] summary {
  color: var(--ink-classified);
  margin-bottom: 8px;
}

.speak-btn-mini {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 2px;
  color: var(--fg-paper-muted);
  border: 1px solid var(--fg-paper-faint);
  background: transparent;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.speak-btn-mini:hover { color: var(--ink-classified); border-color: var(--ink-classified); }
.speak-btn-mini.speaking { color: var(--ink-approved); border-color: var(--ink-approved); }

/* Empty state — "All caught up" */
.empty-deck {
  background: var(--bg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  padding: 60px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  min-height: 380px;
  justify-content: center;
  color: var(--fg-paper);
  box-shadow: var(--shadow-paper);
  position: relative;
}
.empty-mark {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  border: 3px solid var(--ink-approved);
  color: var(--ink-approved);
  display: grid;
  place-items: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 6px;
  background: rgba(79, 107, 58, .08);
}
.empty-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 30px;
  color: var(--fg-paper);
  letter-spacing: .03em;
}
.empty-body {
  font-size: 14px;
  color: var(--fg-paper-muted);
  max-width: 460px;
  line-height: 1.6;
}
.empty-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-paper-faint);
  margin-top: 6px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* Grade buttons */
.grade-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  opacity: 0.4;
  pointer-events: none;
  transition: opacity var(--transition-med);
}
.flashcard.flipped + .grade-row,
body[data-flipped="true"] .grade-row,
body[data-flipped="true"] .stamp-overlay + .grade-row { opacity: 1; pointer-events: auto; }
.grade-btn {
  padding: 12px 10px;
  border-radius: 3px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all var(--transition-fast);
  position: relative;
  font-family: var(--mono);
}
.grade-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.grade-key {
  position: absolute;
  top: 6px;
  right: 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-faint);
}
.grade-label { font-weight: 700; font-size: 13px; letter-spacing: .15em; text-transform: uppercase; }
.grade-sub { font-size: 9.5px; color: var(--fg-muted); letter-spacing: .1em; text-transform: uppercase; }
.grade-again { border-color: var(--ink-rejected); color: var(--ink-rejected); }
.grade-hard  { border-color: var(--ink-hold);     color: var(--ink-hold); }
.grade-good  { border-color: var(--ink-approved); color: var(--ink-approved); }
.grade-easy  { border-color: var(--ink-noted);    color: var(--ink-noted); }
.grade-again:hover { background: rgba(138,31,21,.12); }
.grade-hard:hover  { background: rgba(192,138,46,.12); }
.grade-good:hover  { background: rgba(79,107,58,.12); }
.grade-easy:hover  { background: rgba(42,90,138,.14); }

.flashcard.flipped + .grade-row .grade-again,
body[data-flipped="true"] .grade-row .grade-again {
  background: rgba(138,31,21,.05);
}

.nav-row {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  flex-wrap: wrap;
}
.footer-row {
  display: flex;
  justify-content: center;
  margin-top: 4px;
}
.ghost-btn {
  padding: 7px 14px;
  font-size: 11px;
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg-muted);
  transition: all var(--transition-fast);
}
.ghost-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--bg-elev-2); }
.ghost-btn-due[data-active="true"] {
  color: var(--ink-classified);
  border-color: var(--ink-classified);
  background: rgba(168,42,31,.08);
}
.link-btn {
  font-size: 10px;
  font-family: var(--mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-faint);
  padding: 6px 10px;
  border-radius: 3px;
  transition: color var(--transition-fast);
}
.link-btn:hover { color: var(--ink-rejected); }
.primary-btn {
  padding: 10px 18px;
  border-radius: 3px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  transition: all var(--transition-fast);
  border: 1px solid var(--accent);
}
.primary-btn:hover { background: var(--accent-strong); transform: translateY(-1px); }

/* ============================================================
   QUIZ — drill mode
   ============================================================ */
.quiz-stage {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.quiz-header { display: flex; flex-direction: column; gap: 12px; }
.quiz-types {
  display: flex;
  gap: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow-x: auto;
  flex-wrap: wrap;
}
.quiz-type-btn {
  padding: 9px 14px;
  font-size: 11px;
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-muted);
  white-space: nowrap;
  transition: all var(--transition-fast);
  border-right: 1px solid var(--border);
}
.quiz-type-btn:last-child { border-right: none; }
.quiz-type-btn:hover { color: var(--fg); }
.quiz-type-btn[aria-selected="true"] {
  background: var(--bg-paper);
  color: var(--fg-paper);
}
.quiz-stats {
  display: flex;
  gap: 18px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--fg-muted);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.quiz-stat strong {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--accent);
  font-size: 14px;
  margin-right: 2px;
}
.quiz-weak-stat strong { color: var(--ink-classified); }

.quiz-modifiers {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.chip-toggle {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.chip-toggle:hover:not(:disabled) {
  color: var(--fg);
  border-color: var(--ink-classified);
}
.chip-toggle[aria-pressed="true"] {
  background: var(--ink-classified);
  color: var(--bg);
  border-color: var(--ink-classified);
}
.chip-toggle:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.quiz-card {
  background: var(--bg-paper);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  box-shadow: var(--shadow-paper);
  position: relative;
}
.quiz-card::before {
  content: "EXAMINATION SHEET";
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .25em;
  color: var(--fg-paper-faint);
}
.quiz-prompt-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-paper-faint);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-weight: 600;
  border-bottom: 1px dashed var(--fg-paper-faint);
  padding-bottom: 6px;
}
.quiz-prompt {
  font-family: var(--serif);
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.4;
  color: var(--fg-paper);
  font-weight: 500;
}
.quiz-prompt .blank {
  display: inline-block;
  min-width: 60px;
  padding: 0 4px;
  border-bottom: 2px dashed var(--ink-classified);
  color: var(--ink-classified);
  font-style: italic;
  font-family: var(--typewriter);
  letter-spacing: .04em;
}
.quiz-prompt .blank-hint {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  font-family: var(--mono);
  font-size: 11px;
  vertical-align: 3px;
  color: var(--ink-classified);
  background: color-mix(in srgb, var(--ink-classified) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink-classified) 30%, transparent);
  border-radius: 2px;
  letter-spacing: .08em;
}
.quiz-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 600px) { .quiz-choices { grid-template-columns: 1fr; } }
.quiz-choice {
  text-align: left;
  padding: 12px 16px;
  background: var(--bg-paper-light);
  border: 1px solid var(--fg-paper-faint);
  border-radius: 2px;
  font-size: 14.5px;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg-paper);
  font-family: var(--sans);
}
.quiz-choice:hover {
  border-color: var(--ink-classified);
  background: var(--bg-paper-light);
  transform: translateX(2px);
}
.quiz-choice .choice-key {
  font-family: var(--mono);
  font-size: 11px;
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--fg-paper-faint);
  border-radius: 2px;
  color: var(--fg-paper-muted);
  flex-shrink: 0;
  font-weight: 600;
}
.quiz-choice.correct {
  border-color: var(--ink-approved);
  background: rgba(79, 107, 58, .14);
  color: var(--fg-paper);
}
.quiz-choice.correct::after {
  content: "✓ APPROVED";
  margin-left: auto;
  font-family: var(--typewriter);
  font-size: 11px;
  color: var(--ink-approved);
  letter-spacing: .15em;
  border: 1px solid currentColor;
  padding: 2px 6px;
  transform: rotate(-2deg);
}
.quiz-choice.wrong {
  border-color: var(--ink-rejected);
  background: rgba(138, 31, 21, .12);
}
.quiz-choice.wrong::after {
  content: "✗ REJECTED";
  margin-left: auto;
  font-family: var(--typewriter);
  font-size: 11px;
  color: var(--ink-rejected);
  letter-spacing: .15em;
  border: 1px solid currentColor;
  padding: 2px 6px;
  transform: rotate(2deg);
}
.quiz-choice[disabled] { cursor: default; pointer-events: none; }

.quiz-feedback {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px dashed var(--fg-paper-faint);
}
.quiz-feedback[hidden] { display: none; }
.quiz-feedback-line {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 16px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.quiz-feedback-line.right { color: var(--ink-approved); }
.quiz-feedback-line.wrong { color: var(--ink-rejected); }
.quiz-feedback-detail { font-size: 14px; color: var(--fg-paper-muted); line-height: 1.55; }
.quiz-feedback-detail .uk { color: var(--fg-paper); }
.quiz-feedback-detail strong {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--fg-paper);
}
.quiz-feedback-detail .ipa-mono {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--fg-paper-faint);
}
.quiz-fb-def { margin-top: 6px; }
.quiz-fb-example {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--ink-classified);
  font-family: var(--serif);
  font-style: italic;
  color: var(--fg-paper);
  font-size: 14.5px;
  line-height: 1.55;
}
.quiz-typeit {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.quiz-typeit input {
  font-family: var(--serif);
  font-size: 22px;
  padding: 12px 16px;
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
  border-radius: 2px;
  letter-spacing: -0.005em;
}
.quiz-typeit input:focus { border-color: var(--ink-classified); outline: 2px solid color-mix(in srgb, var(--ink-classified) 25%, transparent); outline-offset: -1px; }
.quiz-typeit input.right { border-color: var(--ink-approved); background: rgba(79,107,58,.12); }
.quiz-typeit input.wrong { border-color: var(--ink-rejected); background: rgba(138,31,21,.12); }
.quiz-typeit-actions { display: flex; gap: 10px; }
.quiz-typeit-actions .primary-btn { flex: 1; }

.quiz-weak-flag {
  margin-top: 10px;
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-classified);
  background: rgba(168,42,31,.1);
  border: 1px dashed var(--ink-classified);
  border-radius: 2px;
}

/* ============================================================
   BROWSE — registry / file index
   ============================================================ */
.browse-stage { max-width: 1100px; margin: 0 auto; }
.browse-toolbar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.browse-toolbar input { flex: 1; min-width: 220px; font-family: var(--mono); }

.browse-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--bg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  box-shadow: var(--shadow-paper);
  overflow: hidden;
}
.browse-row {
  display: grid;
  /* term/IPA | pills | definition (English) | Ukrainian translation
     Both text columns are fr-sized with minmax(0,...) so a long
     Ukrainian translation can't expand its column past its share.   */
  grid-template-columns: 200px auto minmax(0, 2fr) minmax(0, 1.5fr);
  gap: 14px 20px;
  align-items: start;
  padding: 14px 18px;
  background: var(--bg-paper);
  border-bottom: 1px dashed var(--fg-paper-faint);
  transition: all var(--transition-fast);
  cursor: pointer;
  color: var(--fg-paper);
}
.browse-row > * { min-width: 0; }  /* let grid items shrink to their track width */

/* Search-result highlighting in Registry rows */
.browse-row mark.search-hit {
  background: color-mix(in srgb, var(--ink-classified) 22%, transparent);
  color: var(--fg-paper);
  padding: 0 1px;
  border-radius: 1px;
  /* Keep underline-style decoration even on the IPA mono font */
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--ink-classified) 55%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  font-weight: inherit;
}
.browse-row:nth-child(even) { background: var(--bg-paper-aged); }
.browse-row:last-child { border-bottom: none; }
.browse-row:hover { background: var(--bg-paper-light); }
.browse-term {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--fg-paper);
}
.browse-ipa {
  font-family: var(--mono);
  color: var(--fg-paper-muted);
  font-size: 11.5px;
  margin-top: 2px;
  letter-spacing: .03em;
}
/* Reserve a fixed-width slot so MILITARY/AVIATION pills don't shift the
   definition column right of JOINT rows. Sized for the widest case + level pill. */
.browse-meta-col {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
  min-width: 108px;
}
.browse-meta-col .cat-pill,
.browse-meta-col .level-pill { font-size: 9px; padding: 2px 6px; }
.browse-meta-col .cat-pill {
  /* Visual consistency: each category pill claims the same width so they stack
     in a tidy column across rows. */
  min-width: 64px;
  text-align: center;
}
.browse-meta-col .level-pill {
  min-width: 24px;
  text-align: center;
}
.browse-defrow { color: var(--fg-paper); font-size: 13px; line-height: 1.45; }
.browse-uk-flag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-paper-muted);
  letter-spacing: .03em;
}

.browse-row.expanded {
  grid-template-columns: 1fr;
  background: var(--bg-paper-light);
}
.browse-detail { display: none; }
.browse-row.expanded .browse-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--fg-paper-faint);
  font-size: 13px;
  line-height: 1.55;
}
@media (max-width: 720px) { .browse-row.expanded .browse-detail { grid-template-columns: 1fr; } }
.browse-detail .col h4 {
  font-family: var(--mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--fg-paper-faint);
  margin-bottom: 6px;
  font-weight: 600;
  border-bottom: 1px dotted var(--fg-paper-faint);
  padding-bottom: 4px;
}
.browse-detail .col p { margin-bottom: 10px; color: var(--fg-paper); }
.browse-row.expanded .browse-defrow { display: none; }
.browse-detail-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px dashed var(--fg-paper-faint);
}
.browse-detail-actions .primary-btn {
  background: var(--ink-classified);
  border-color: var(--ink-classified);
  color: var(--bg-paper-light);
}
.browse-detail-actions .primary-btn:hover {
  background: color-mix(in srgb, var(--ink-classified) 80%, white);
}

/* Brief glow when card receives focus from another mode */
@keyframes cardJumpFlash {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ink-classified) 65%, transparent), var(--shadow-paper); }
  35%  { box-shadow: 0 0 0 8px color-mix(in srgb, var(--ink-classified) 35%, transparent), var(--shadow-paper); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ink-classified) 0%, transparent), var(--shadow-paper); }
}
.flashcard.just-jumped .card-face {
  animation: cardJumpFlash 1000ms ease-out;
}

/* ============================================================
   PRINT MODE — preview & sheets
   ============================================================ */
.print-stage { max-width: 1200px; margin: 0 auto; }
.print-controls {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 22px 26px;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
.print-controls::before {
  content: "REPRODUCTION ORDER";
  position: absolute;
  top: -10px;
  left: 22px;
  background: var(--bg);
  padding: 2px 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--accent);
  border: 1px solid var(--border);
}
.print-controls h2 {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--fg);
}
.print-help { font-size: 13px; color: var(--fg-muted); line-height: 1.6; }
.print-help strong, .print-help em { color: var(--accent); }
.print-help kbd {
  background: var(--bg);
  color: var(--accent);
}
.print-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 6px;
}
.print-options label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.print-options label.checkbox-line {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}
.print-options select { width: 100%; font-family: var(--mono); }
.print-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }

.print-preview-label {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-faint);
  text-transform: uppercase;
  letter-spacing: .2em;
  margin-bottom: 12px;
}

.print-sheets {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* The actual A4 sheet */
.sheet {
  background: white;
  color: #1a1a1a;
  width: 210mm;
  min-height: 297mm;
  padding: 12mm;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 8mm repeat(4, 1fr);
  gap: 0;
  box-shadow: var(--shadow-lg);
  border-radius: 2px;
  position: relative;
  font-family: var(--sans);
}
.sheet-banner {
  grid-column: 1 / -1;
  background: var(--ink-classified);
  color: white;
  font-family: var(--mono);
  font-size: 9pt;
  font-weight: 700;
  letter-spacing: .15em;
  text-align: center;
  padding: 2mm 0;
  margin: -12mm -12mm 4mm;
  border-bottom: 1px solid #6b1a10;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8mm;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
.sheet-label {
  position: absolute;
  bottom: 4mm;
  left: 12mm;
  font-family: var(--mono);
  font-size: 8pt;
  color: #888;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.sheet-page-id {
  position: absolute;
  bottom: 4mm;
  right: 12mm;
  font-family: var(--mono);
  font-size: 8pt;
  color: #888;
  letter-spacing: .1em;
}

.print-card {
  border: 1px dashed #b8b8b8;
  padding: 7mm 8mm;
  display: flex;
  flex-direction: column;
  gap: 3mm;
  position: relative;
  overflow: hidden;
  page-break-inside: avoid;
}
.sheet[data-cut-marks="false"] .print-card { border: none; }

.print-card-front {
  align-items: center;
  justify-content: center;
  text-align: center;
}
.print-card-front .pc-watermark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--typewriter);
  font-size: 28pt;
  color: rgba(0,0,0,.04);
  transform: rotate(-22deg);
  pointer-events: none;
}
.print-card-front .pc-term {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22pt;
  color: #1a1a1a;
  line-height: 1.1;
  letter-spacing: -0.01em;
  z-index: 2;
}
.print-card-front .pc-ipa {
  font-family: var(--mono);
  font-size: 10pt;
  color: #5a5a5a;
  margin-top: 1mm;
  z-index: 2;
}
.print-card-front .pc-cat {
  position: absolute;
  top: 4mm;
  right: 4mm;
  font-family: var(--mono);
  font-size: 7pt;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: 1mm 3mm;
  border-radius: 1px;
  border: 1px solid;
}
.print-card-front .pc-level {
  position: absolute;
  top: 4mm;
  left: 4mm;
  font-family: var(--mono);
  font-size: 7pt;
  color: #888;
  letter-spacing: .12em;
  font-weight: 600;
}
.print-card-front .pc-dossier {
  position: absolute;
  bottom: 3mm;
  left: 4mm;
  font-family: var(--mono);
  font-size: 6.5pt;
  color: #aaa;
  letter-spacing: .12em;
}

.pc-cat[data-cat="aviation"]         { color: var(--cat-aviation-dark); border-color: var(--cat-aviation-dark); -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.pc-cat[data-cat="military"]         { color: var(--cat-military-dark); border-color: var(--cat-military-dark); -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.pc-cat[data-cat="military-aviation"]{ color: var(--cat-joint-dark);    border-color: var(--cat-joint-dark);    -webkit-print-color-adjust: exact; print-color-adjust: exact; }

.print-card-back .pc-section {
  font-size: 8.5pt;
  line-height: 1.45;
  color: #1a1a1a;
}
.print-card-back .pc-section h5 {
  font-family: var(--mono);
  font-size: 6.5pt;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: #888;
  font-weight: 600;
  margin-bottom: 1mm;
  border-bottom: 0.5px solid #ddd;
  padding-bottom: 0.5mm;
}
.print-card-back .pc-uk { color: #1a1a1a; font-weight: 500; }
.print-card-back .pc-example {
  font-family: var(--serif);
  font-style: italic;
  font-size: 8pt;
  color: #333;
  margin-top: 1mm;
  border-left: 1px solid var(--ink-classified);
  padding-left: 2mm;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
.print-card-back .pc-extras {
  font-size: 7pt;
  color: #555;
  border-top: 0.5px dotted #c0c0c0;
  padding-top: 1mm;
  margin-top: auto;
}
.print-card-back .pc-back-meta {
  position: absolute;
  bottom: 3mm;
  right: 4mm;
  font-family: var(--mono);
  font-size: 6pt;
  color: #999;
  letter-spacing: .08em;
}

/* Study sheet layout (one column list) */
.sheet[data-layout="study-sheet"] {
  display: block;
  padding: 0;
}
.sheet[data-layout="study-sheet"] .sheet-banner {
  margin: 0 0 6mm;
}
.sheet[data-layout="study-sheet"] .study-rows {
  padding: 0 14mm 18mm;
}
.sheet[data-layout="study-sheet"] .study-row {
  display: grid;
  grid-template-columns: 36mm 1fr;
  gap: 6mm;
  padding: 3mm 0;
  border-bottom: 0.5px solid #ddd;
  font-size: 9pt;
  page-break-inside: avoid;
}
.sheet[data-layout="study-sheet"] .study-row:last-child { border-bottom: none; }
.sheet[data-layout="study-sheet"] .sr-term {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 11.5pt;
  color: #1a1a1a;
}
.sheet[data-layout="study-sheet"] .sr-ipa {
  font-family: var(--mono);
  font-size: 8pt;
  color: #888;
  margin-top: 0.5mm;
}
.sheet[data-layout="study-sheet"] .sr-uk {
  font-weight: 600;
  margin-bottom: 1mm;
}
.sheet[data-layout="study-sheet"] .sr-def {
  font-size: 8.5pt;
  color: #333;
  line-height: 1.5;
}
.sheet[data-layout="study-sheet"] .sr-example {
  font-family: var(--serif);
  font-style: italic;
  font-size: 8pt;
  color: #555;
  margin-top: 0.5mm;
}
/* Reading sheet layout — passage text + glossary */
.sheet[data-layout="reading-sheet"] {
  display: block;
  padding: 0;
}
.sheet[data-layout="reading-sheet"] .sheet-banner {
  margin: 0 0 4mm;
}
.sheet[data-layout="reading-sheet"] .rs-body {
  padding: 4mm 16mm 14mm;
  color: #1a1a1a;
}
.sheet[data-layout="reading-sheet"] .rs-meta {
  font-family: var(--mono);
  font-size: 8.5pt;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 1mm;
}
.sheet[data-layout="reading-sheet"] .rs-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 16pt;
  letter-spacing: .02em;
  margin-bottom: 1mm;
  border-bottom: 0.5pt solid #1a1a1a;
  padding-bottom: 1mm;
}
.sheet[data-layout="reading-sheet"] .rs-summary {
  font-family: var(--serif);
  font-style: italic;
  font-size: 9pt;
  color: #555;
  margin-bottom: 4mm;
}
.sheet[data-layout="reading-sheet"] .rs-text {
  font-family: var(--serif);
  font-size: 10.5pt;
  line-height: 1.55;
  color: #1a1a1a;
}
.sheet[data-layout="reading-sheet"] .rs-text p {
  margin-bottom: 2.5mm;
}
.sheet[data-layout="reading-sheet"] .rs-text u {
  text-decoration: underline;
  text-decoration-color: var(--ink-classified);
  text-decoration-thickness: 0.6pt;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
.sheet[data-layout="reading-sheet"] .rs-glossary {
  margin-top: 6mm;
  padding-top: 3mm;
  border-top: 0.5pt solid #1a1a1a;
}
.sheet[data-layout="reading-sheet"] .rs-gloss-title {
  font-family: var(--mono);
  font-size: 9.5pt;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-classified);
  font-weight: 700;
  margin-bottom: 2mm;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
.sheet[data-layout="reading-sheet"] .rs-gloss-list {
  display: grid;
  grid-template-columns: 38mm 1fr;
  gap: 1mm 4mm;
  font-size: 8.5pt;
  line-height: 1.4;
}
.sheet[data-layout="reading-sheet"] .rs-gloss-list dt {
  font-family: var(--serif);
  page-break-inside: avoid;
}
.sheet[data-layout="reading-sheet"] .rs-gloss-list dt strong { font-size: 9.5pt; }
.sheet[data-layout="reading-sheet"] .rs-ipa {
  font-family: var(--mono);
  font-size: 7.5pt;
  color: #888;
  display: block;
}
.sheet[data-layout="reading-sheet"] .rs-gloss-list dd {
  font-family: var(--serif);
  margin-left: 0;
  page-break-inside: avoid;
}
.sheet[data-layout="reading-sheet"] .rs-gloss-list dd .rs-uk {
  display: block;
  font-family: var(--mono);
  font-size: 7.5pt;
  color: var(--ink-classified);
  letter-spacing: .04em;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
.sheet[data-layout="reading-sheet"] .rs-gloss-list dd .rs-def {
  display: block;
  margin-top: 0.5mm;
}

.sheet[data-layout="study-sheet"] .sheet-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 14pt;
  margin: 0 14mm 4mm;
  padding-bottom: 2mm;
  border-bottom: 1px solid #1a1a1a;
}

/* ============================================================
   OPS MODE — interactive quests
   ============================================================ */
.ops-stage { max-width: 880px; margin: 0 auto; }

.quest-selector { display: flex; flex-direction: column; gap: 12px; }
.quest-card {
  background: var(--bg-paper);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  border-left: 4px solid var(--ink-classified);
  border-radius: 2px;
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  box-shadow: var(--shadow-paper);
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.quest-card:hover { transform: translateY(-2px); }
.quest-card-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-classified);
  margin-bottom: 4px;
  font-weight: 700;
}
.quest-card-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--fg-paper);
  margin-bottom: 4px;
}
.quest-card-summary {
  font-size: 13px;
  color: var(--fg-paper-muted);
  font-style: italic;
  line-height: 1.5;
  max-width: 56ch;
}
.quest-card-cta {
  align-self: center;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}
.quest-card-cta .badge-line {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
}
.quest-card-cta .quest-status {
  font-family: var(--typewriter);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
}
.quest-card-cta .quest-status[data-score="pass"]    { color: var(--ink-approved); }
.quest-card-cta .quest-status[data-score="partial"] { color: var(--ink-hold); }
.quest-card-cta .quest-status[data-score="fail"]    { color: var(--ink-rejected); }
.quest-card-cta .quest-status[data-score="open"]    { color: var(--accent); }

.quest-player {
  background: var(--bg-paper);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  box-shadow: var(--shadow-paper);
  overflow: hidden;
}
.quest-player[hidden] { display: none; }
.quest-player-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 24px 12px;
  border-bottom: 1px dashed var(--fg-paper-faint);
}
.quest-player-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-classified);
  margin-bottom: 2px;
  font-weight: 700;
}
.quest-player-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--fg-paper);
}
.quest-player-header .ghost-btn {
  background: transparent;
  color: var(--fg-paper-muted);
  border-color: var(--fg-paper-faint);
}
.quest-player-header .ghost-btn:hover { color: var(--ink-classified); border-color: var(--ink-classified); }

.quest-progress-bar {
  height: 3px;
  background: var(--bg-paper-aged);
  border-bottom: 1px solid var(--border-paper);
}
.quest-progress-fill {
  height: 100%;
  background: var(--ink-classified);
  transition: width var(--transition-med);
  width: 0;
}

.quest-step { padding: 22px 24px; }
.quest-step.active {
  animation: quest-step-fade-in .35s ease-out;
}
@keyframes quest-step-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.quest-step + .quest-step {
  border-top: 1px dashed var(--border-paper);
}

/* Locked transcript entry — past steps remain visible above the active one */
.quest-step.locked {
  padding: 12px 24px;
  background: color-mix(in srgb, var(--bg-paper) 88%, black);
  opacity: .9;
}
.quest-step.locked .quest-locked-head {
  font-family: var(--typewriter);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--fg-paper) 60%, transparent);
  margin-bottom: 4px;
}
.quest-step.locked .quest-locked-type {
  background: color-mix(in srgb, var(--ink-classified) 12%, transparent);
  color: var(--ink-classified);
  padding: 1px 6px;
  border-radius: 2px;
  font-weight: 600;
}
.quest-step.locked .quest-locked-title { font-weight: 600; color: var(--fg-paper); }
.quest-step.locked .quest-locked-prompt,
.quest-step.locked .quest-locked-body {
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.45;
  color: color-mix(in srgb, var(--fg-paper) 75%, transparent);
  margin-bottom: 6px;
}
.quest-step.locked .quest-locked-answer,
.quest-step.locked .quest-locked-correct,
.quest-step.locked .quest-locked-action {
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--fg-paper);
  margin-bottom: 4px;
}
.quest-step.locked .quest-locked-answer.right { color: var(--ink-approved); }
.quest-step.locked .quest-locked-answer.wrong { color: var(--ink-rejected); }
.quest-step.locked .quest-locked-tag {
  font-family: var(--typewriter);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--fg-paper) 55%, transparent);
  margin-right: 4px;
}
.quest-step.locked .quest-narrator-line {
  font-family: var(--serif);
  font-size: 13.5px;
  font-style: italic;
  color: color-mix(in srgb, var(--fg-paper) 80%, transparent);
  margin-top: 4px;
  margin-bottom: 0;
}
.quest-step.locked .quest-narrator-name {
  font-style: normal;
  font-weight: 700;
  color: var(--ink-classified);
  margin-right: 4px;
  letter-spacing: 0.03em;
}

.quest-step-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--fg-paper);
}
.quest-step-byline {
  font-family: var(--typewriter);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, var(--fg-paper) 60%, transparent);
  margin: -4px 0 12px;
  text-transform: uppercase;
}
.quest-step-body {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg-paper);
  white-space: pre-wrap;
}
.quest-step-body p { margin-bottom: 12px; }
.quest-step-body .passage-term { /* reuse passage term styling */
  cursor: default;
  border-bottom-style: solid;
}

/* Narrator line in live (non-locked) feedback */
.quest-choice-feedback .quest-narrator-line {
  font-family: var(--serif);
  font-style: italic;
  margin: 0;
}
.quest-choice-feedback .quest-narrator-name {
  font-style: normal;
  font-weight: 700;
  color: var(--ink-classified);
  margin-right: 6px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 12px;
}
.quest-choice-feedback .quest-narrator-text { color: var(--fg-paper); }

.quest-choice-prompt {
  font-family: var(--serif);
  font-size: 17px;
  margin-bottom: 14px;
  color: var(--fg-paper);
}
.quest-choices { display: flex; flex-direction: column; gap: 10px; }
.quest-choice-btn {
  text-align: left;
  padding: 14px 18px;
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
  border-left: 3px solid transparent;
  border-radius: 2px;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.45;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.quest-choice-btn:hover {
  border-left-color: var(--ink-classified);
  transform: translateX(2px);
}
.quest-choice-btn[disabled] { cursor: default; opacity: .55; }
.quest-choice-btn.picked {
  border-color: var(--ink-classified);
  border-left-color: var(--ink-classified);
  background: color-mix(in srgb, var(--ink-classified) 8%, var(--bg-paper-light));
  opacity: 1;
}
.quest-choice-btn.picked-correct {
  border-color: var(--ink-approved);
  border-left-color: var(--ink-approved);
  background: color-mix(in srgb, var(--ink-approved) 12%, var(--bg-paper-light));
  opacity: 1;
}
.quest-choice-btn.picked-wrong {
  border-color: var(--ink-rejected);
  border-left-color: var(--ink-rejected);
  background: color-mix(in srgb, var(--ink-rejected) 12%, var(--bg-paper-light));
  opacity: 1;
}
.quest-choice-btn.mark-correct:not(.picked-correct) {
  border-left-color: var(--ink-approved);
  opacity: .85;
}
.quest-choice-btn.mark-correct:not(.picked-correct)::after {
  content: " · correct answer";
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-approved);
  margin-left: 6px;
}

.quest-type-form { display: flex; flex-direction: column; gap: 12px; }
.quest-type-input {
  font-family: var(--serif);
  font-size: 20px;
  padding: 10px 14px;
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
  border-radius: 2px;
}
.quest-type-input:focus { border-color: var(--ink-classified); outline: 2px solid color-mix(in srgb, var(--ink-classified) 25%, transparent); outline-offset: -1px; }
.quest-type-input.right { border-color: var(--ink-approved); background: color-mix(in srgb, var(--ink-approved) 10%, var(--bg-paper-light)); }
.quest-type-input.wrong { border-color: var(--ink-rejected); background: color-mix(in srgb, var(--ink-rejected) 10%, var(--bg-paper-light)); }

.quest-cloze-prompt {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-paper);
}
.quest-cloze-input {
  display: inline-block;
  font-family: var(--serif);
  font-size: 17px;
  padding: 2px 8px;
  margin: 0 2px;
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: none;
  border-bottom: 2px dashed var(--ink-classified);
  outline: none;
  vertical-align: baseline;
  min-width: 60px;
}
.quest-cloze-input:focus {
  border-bottom-color: var(--ink-classified);
  background: color-mix(in srgb, var(--ink-classified) 6%, var(--bg-paper-light));
}
.quest-cloze-input.right { border-bottom-color: var(--ink-approved); background: color-mix(in srgb, var(--ink-approved) 10%, transparent); }
.quest-cloze-input.wrong { border-bottom-color: var(--ink-rejected); background: color-mix(in srgb, var(--ink-rejected) 10%, transparent); }
.quest-cloze-hint {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--fg-paper-muted);
  margin-top: 8px;
  font-style: italic;
}

.quest-choice-feedback {
  margin-top: 12px;
  padding: 10px 12px;
  border-left: 2px solid var(--ink-classified);
  font-style: italic;
  color: var(--fg-paper);
  background: color-mix(in srgb, var(--ink-classified) 5%, transparent);
  font-family: var(--serif);
  font-size: 14px;
}
.quest-step-actions {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.quest-step-actions .primary-btn {
  background: var(--ink-classified);
  border-color: var(--ink-classified);
  color: var(--bg-paper-light);
}
.quest-step-actions .primary-btn:hover { background: color-mix(in srgb, var(--ink-classified) 80%, white); }

/* Debrief outcome */
.quest-debrief {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.quest-debrief-stamp {
  font-family: var(--typewriter);
  font-size: 14px;
  letter-spacing: .2em;
  text-transform: uppercase;
  border: 2px solid currentColor;
  padding: 6px 14px;
  align-self: flex-start;
  transform: rotate(-1.5deg);
}
.quest-debrief-stamp[data-score="pass"]    { color: var(--ink-approved); }
.quest-debrief-stamp[data-score="partial"] { color: var(--ink-hold); }
.quest-debrief-stamp[data-score="fail"]    { color: var(--ink-rejected); }
.quest-debrief-gloss {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--fg-paper-faint);
}
.quest-debrief-gloss h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-classified);
  margin-bottom: 6px;
  font-weight: 700;
}
.quest-debrief-gloss ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 6px 14px;
  font-size: 13px;
}
.quest-debrief-gloss li {
  padding: 4px 0;
  border-bottom: 1px dotted var(--fg-paper-faint);
}
.quest-debrief-gloss li b {
  font-family: var(--serif);
  font-weight: 600;
}
.quest-debrief-gloss li span {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-paper-muted);
  letter-spacing: .03em;
  margin-left: 4px;
}

@media (max-width: 720px) {
  .quest-card { grid-template-columns: 1fr; }
  .quest-card-cta { flex-direction: row; align-items: center; justify-content: flex-start; }
}

/* ============================================================
   READ MODE — passages
   ============================================================ */
.read-stage {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.passage-list {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 6px;
  height: fit-content;
  position: sticky;
  top: 90px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}
.passage-list-row {
  padding: 10px 12px;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid transparent;
}
.passage-list-row:hover { background: var(--bg-elev-2); }
.passage-list-row.active {
  background: var(--bg-paper);
  color: var(--fg-paper);
  border-color: var(--ink-classified);
}
.passage-list-row.active .pl-title,
.passage-list-row.active .pl-meta { color: var(--fg-paper); }
.passage-list-row .pl-meta {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
.passage-list-row .pl-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 14px;
  color: var(--fg);
  line-height: 1.25;
}

.passage {
  background: var(--bg-paper);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  padding: 28px 36px 24px;
  box-shadow: var(--shadow-paper);
  position: relative;
  min-height: 480px;
}
.passage-header {
  border-bottom: 1px dashed var(--fg-paper-faint);
  padding-bottom: 12px;
  margin-bottom: 18px;
}
.passage-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-classified);
  margin-bottom: 4px;
  font-weight: 700;
}
.passage-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--fg-paper);
  margin-bottom: 4px;
}
.passage-summary {
  font-size: 13px;
  color: var(--fg-paper-muted);
  font-style: italic;
}
.passage-body {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg-paper);
  white-space: pre-wrap;
}
.passage-body p { margin-bottom: 12px; }
.passage-term {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink-classified);
  border-bottom: 1px dotted color-mix(in srgb, var(--ink-classified) 55%, transparent);
  cursor: help;
  padding: 0 1px;
  border-radius: 2px;
  transition: background var(--transition-fast);
}
.passage-term:hover {
  background: color-mix(in srgb, var(--ink-classified) 12%, transparent);
}
.passage-term.active {
  background: color-mix(in srgb, var(--ink-classified) 18%, transparent);
}
.passage-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}
.passage-actions .primary-btn {
  background: var(--ink-classified);
  color: var(--bg-paper-light);
  border-color: var(--ink-classified);
}
.passage-actions .primary-btn:hover {
  background: color-mix(in srgb, var(--ink-classified) 80%, white);
}
.passage-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--fg-paper-faint);
}

.quiz-subset-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: color-mix(in srgb, var(--ink-classified) 10%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--ink-classified) 60%, var(--border));
  border-left-width: 3px;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg);
}
.qsb-label { color: var(--ink-classified); font-weight: 700; }
.qsb-title { color: var(--fg); }
.qsb-clear {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 2px;
  cursor: pointer;
}
.qsb-clear:hover { color: var(--ink-classified); border-color: var(--ink-classified); }
.passage-progress {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
}

/* Floating term tooltip */
.term-tooltip {
  position: fixed;
  z-index: 220;
  max-width: 360px;
  background: var(--bg-elev-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink-classified);
  border-radius: 2px;
  box-shadow: var(--shadow-md);
  padding: 12px 14px;
  pointer-events: auto;
  animation: fadeIn 160ms ease-out;
}
.term-tooltip[hidden] { display: none; }
.term-tooltip-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
  font-family: var(--serif);
}
.term-tooltip-term {
  font-weight: 600;
  font-size: 17px;
  color: var(--fg);
}
.term-tooltip-ipa {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: .03em;
}
.term-tooltip-uk {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 4px;
}
.term-tooltip-def {
  font-size: 13px;
  color: var(--fg);
  line-height: 1.5;
}
.term-tooltip-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-soft);
}
.term-tooltip-actions button {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
}
.term-tooltip-actions button:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 880px) {
  .read-stage { grid-template-columns: 1fr; }
  .passage-list {
    position: static;
    max-height: 240px;
    margin-bottom: 12px;
  }
  .passage { padding: 22px 18px; }
}

/* ============================================================
   OVERLAYS (help, sync, etc.)
   ============================================================ */
.overlay,
.help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.62);
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 20px;
  animation: fadeIn 200ms ease-out;
}
.overlay[hidden],
.help-overlay[hidden] { display: none; }

/* ============================================================
   BADGE UNLOCK TOAST
   ============================================================ */
.badge-toast-stack {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 240;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: calc(100vw - 48px);
}
.badge-toast {
  pointer-events: auto;
  background: var(--bg-paper);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  box-shadow: var(--shadow-paper);
  border-radius: 2px;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
  width: 360px;
  max-width: 100%;
  position: relative;
  overflow: hidden;
  animation: badgeToastIn 480ms cubic-bezier(.4,1.4,.4,1) both;
  transform-origin: top right;
}
.badge-toast::before {
  content: "CITATION AWARDED";
  position: absolute;
  top: 4px;
  right: 12px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .2em;
  color: var(--ink-classified);
  font-weight: 700;
}
.badge-toast::after {
  content: "★";
  position: absolute;
  bottom: -16px;
  right: -10px;
  font-size: 90px;
  color: var(--ink-classified);
  opacity: .05;
  pointer-events: none;
}
.badge-toast.dismissing { animation: badgeToastOut 320ms ease-in both; }
.badge-toast-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 2px solid var(--ink-approved);
  border-radius: 50%;
  color: var(--ink-approved);
  font-family: var(--typewriter);
  font-size: 22px;
  font-weight: 400;
  background: rgba(79,107,58,.12);
  position: relative;
}
.badge-toast-icon::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px dashed var(--ink-approved);
  opacity: .6;
  animation: badgeRing 1.2s ease-out;
}
.badge-toast-body { display: flex; flex-direction: column; gap: 2px; }
.badge-toast-eyebrow {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-approved);
  font-weight: 700;
  margin-top: 6px;
}
.badge-toast-name {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--fg-paper);
}
.badge-toast-desc {
  font-size: 12px;
  color: var(--fg-paper-muted);
  line-height: 1.4;
}
.badge-toast-close {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--fg-paper-faint);
  background: transparent;
  border: none;
  font-size: 14px;
  cursor: pointer;
  border-radius: 50%;
}
.badge-toast-close:hover { color: var(--ink-rejected); background: rgba(0,0,0,.04); }

@keyframes badgeToastIn {
  0%   { opacity: 0; transform: translateX(40px) scale(.9) rotate(2deg); }
  60%  { opacity: 1; transform: translateX(-4px) scale(1.02) rotate(-0.5deg); }
  100% { opacity: 1; transform: translateX(0) scale(1) rotate(0); }
}
@keyframes badgeToastOut {
  to { opacity: 0; transform: translateX(40px) scale(.95); }
}
@keyframes badgeRing {
  0%   { transform: scale(.7); opacity: .9; }
  100% { transform: scale(1.6); opacity: 0; }
}

@media (max-width: 540px) {
  .badge-toast-stack { top: auto; bottom: 50px; right: 12px; left: 12px; }
  .badge-toast { width: auto; }
}

/* ============================================================
   ONBOARDING TOUR
   ============================================================ */
.tour-overlay {
  position: fixed;
  inset: 0;
  z-index: 250;
  pointer-events: none;
  animation: fadeIn 220ms ease-out;
}
.tour-overlay[hidden] { display: none; }
.tour-spotlight {
  position: absolute;
  border-radius: 4px;
  pointer-events: none;
  box-shadow:
    0 0 0 9999px rgba(0, 0, 0, .62),
    0 0 0 2px var(--ink-classified) inset,
    0 0 0 2px var(--ink-classified);
  transition: top 260ms cubic-bezier(.4,0,.2,1),
              left 260ms cubic-bezier(.4,0,.2,1),
              width 260ms cubic-bezier(.4,0,.2,1),
              height 260ms cubic-bezier(.4,0,.2,1);
}
.tour-popover {
  position: absolute;
  pointer-events: auto;
  width: 340px;
  max-width: calc(100vw - 32px);
  background: var(--bg-paper);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  box-shadow: var(--shadow-paper);
  padding: 16px 18px 14px;
  transition: top 260ms cubic-bezier(.4,0,.2,1),
              left 260ms cubic-bezier(.4,0,.2,1);
  transform: translate(0, 0);
}
.tour-step-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
  margin-bottom: 6px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--fg-paper-faint);
}
.tour-classification {
  color: var(--ink-classified);
  font-weight: 700;
}
.tour-title {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: .03em;
  color: var(--fg-paper);
  margin-bottom: 6px;
}
.tour-body {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-paper);
}
.tour-body strong { font-weight: 600; }
.tour-body kbd {
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
}
.tour-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  align-items: center;
}
.tour-actions .ghost-btn {
  background: transparent;
  color: var(--fg-paper-muted);
  border-color: var(--fg-paper-faint);
}
.tour-actions .ghost-btn:hover { color: var(--fg-paper); border-color: var(--ink-classified); }
.tour-actions #tour-skip { margin-right: auto; font-size: 10px; }
.tour-actions .primary-btn {
  background: var(--ink-classified);
  color: white;
  border-color: var(--ink-classified);
}
.tour-actions .primary-btn:hover {
  background: #c8362a;
  border-color: #c8362a;
}

@media (max-width: 540px) {
  .tour-popover {
    width: auto;
    left: 16px !important;
    right: 16px !important;
    bottom: 16px !important;
    top: auto !important;
  }
}

.overlay-card,
.help-card {
  background: var(--bg-paper);
  color: var(--fg-paper);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  padding: 28px 32px;
  max-width: 540px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-paper);
}
.overlay-card h2,
.help-card h2 {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 17px;
  margin-bottom: 14px;
  letter-spacing: .03em;
  border-bottom: 1px dashed var(--fg-paper-faint);
  padding-bottom: 8px;
}
.help-card h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-top: 18px;
  margin-bottom: 8px;
  color: var(--fg-paper-muted);
}
.help-card p,
.overlay-help {
  font-size: 13px;
  color: var(--fg-paper-muted);
  line-height: 1.6;
}
.help-list { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; align-items: baseline; }
.help-list dt {
  font-size: 12.5px;
  font-family: var(--mono);
}
.help-list dd { font-size: 13px; color: var(--fg-paper-muted); }
.audio-prefs { display: flex; flex-direction: column; gap: 8px; }
.audio-row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
}
.audio-row select,
.audio-row input[type="range"] {
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 8px;
}
.audio-row input[type="range"] { padding: 0; height: 28px; accent-color: var(--ink-classified); }
.audio-rate-val {
  font-variant-numeric: tabular-nums;
  color: var(--fg-paper);
}
.audio-preview-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.audio-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-paper-faint);
  letter-spacing: .08em;
}

.help-list dt kbd {
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
}
.overlay-close,
.help-close {
  position: absolute;
  top: 8px;
  right: 12px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 22px;
  color: var(--fg-paper-muted);
  transition: all var(--transition-fast);
}
.overlay-close:hover,
.help-close:hover { background: var(--bg-paper-light); color: var(--fg-paper); }

/* Stats / service record */
.stats-card { max-width: 720px; max-height: 86vh; overflow-y: auto; }
.stats-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 16px 0 20px;
}
.stat-kpi {
  background: var(--bg-paper-light);
  border: 1px solid var(--fg-paper-faint);
  border-radius: 2px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
}
.kpi-num {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 26px;
  letter-spacing: .03em;
  color: var(--fg-paper);
  line-height: 1;
}
.kpi-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
  font-weight: 600;
}

.stats-section {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--fg-paper-faint);
}
.stats-section h3 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-classified);
  font-weight: 700;
  margin-bottom: 10px;
}

/* Heatmap */
.heatmap { font-family: var(--mono); position: relative; }
.heatmap-layout {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 6px;
  align-items: start;
}
.heatmap-weekdays {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  gap: 3px;
  font-size: 9.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
  margin-top: 16px; /* aligns with grid after the month label row */
}
.heatmap-weekdays span {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 2px;
  line-height: 1;
}
.heatmap-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.heatmap-months {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 3px;
  font-size: 9.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
  height: 12px;
}
.hm-month-label {
  white-space: nowrap;
  line-height: 1;
}
.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, auto);
  gap: 3px;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
}
.hm-cell {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--bg-paper-aged);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  cursor: default;
  transition: outline .12s, transform .12s;
}
.hm-cell[data-level="0"] { background: var(--bg-paper-aged); }
.hm-cell[data-level="1"] { background: #b0c4a0; border-color: #8aa782; }
.hm-cell[data-level="2"] { background: #88a878; border-color: #6b8c5f; }
.hm-cell[data-level="3"] { background: #5e7e4f; border-color: #4a6440; }
.hm-cell[data-level="4"] { background: #3e5a32; border-color: #2c4022; }
.hm-cell[data-future="true"] { background: transparent; border: 1px dashed var(--fg-paper-faint); opacity: .35; }
.hm-cell[data-today="true"] {
  outline: 2px solid var(--ink-classified);
  outline-offset: 1px;
}
.hm-cell:hover,
.hm-cell:focus-visible {
  outline: 2px solid var(--ink-classified);
  outline-offset: 1px;
  transform: scale(1.15);
  z-index: 2;
}
.heatmap-summary {
  margin-top: 10px;
  font-family: var(--typewriter);
  font-size: 12px;
  color: var(--fg-paper-faint);
  letter-spacing: .03em;
}
.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  font-size: 9.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-paper-faint);
}
.heatmap-legend .hm-cell {
  width: 12px;
  height: 12px;
  aspect-ratio: auto;
}

/* Custom heatmap tooltip */
.hm-tip {
  position: absolute;
  transform: translate(-50%, -100%);
  background: var(--fg-paper);
  color: var(--bg-paper);
  padding: 6px 9px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.4;
  white-space: nowrap;
  pointer-events: none;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,.35);
}
.hm-tip strong {
  font-weight: 700;
  letter-spacing: .03em;
}
.hm-tip-muted {
  opacity: .65;
  font-style: italic;
}
.hm-tip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--fg-paper);
}

/* Badges */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}
.badge {
  border: 1px solid var(--fg-paper-faint);
  border-radius: 2px;
  padding: 10px 8px;
  text-align: center;
  background: var(--bg-paper-light);
  position: relative;
  transition: all var(--transition-fast);
}
.badge.unlocked {
  border-color: var(--ink-approved);
  background: rgba(79, 107, 58, .1);
}
.badge.unlocked .badge-icon { color: var(--ink-approved); }
.badge.locked { opacity: .45; }
.badge.locked .badge-icon { color: var(--fg-paper-faint); }
.badge-icon {
  font-family: var(--typewriter);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: .03em;
  margin-bottom: 2px;
  color: var(--fg-paper);
}
.badge-name {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-paper);
  font-weight: 600;
  line-height: 1.2;
}
.badge-desc {
  font-size: 10px;
  color: var(--fg-paper-muted);
  margin-top: 3px;
  line-height: 1.3;
}
.badge.unlocked::after {
  content: "✓";
  position: absolute;
  top: 4px;
  right: 6px;
  font-family: var(--typewriter);
  font-size: 14px;
  color: var(--ink-approved);
}

/* Branch bars */
.branch-bars { display: flex; flex-direction: column; gap: 8px; }
.branch-bar {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-paper);
}
.branch-bar-label {
  letter-spacing: .15em;
  text-transform: uppercase;
  font-weight: 700;
}
.branch-bar-track {
  height: 14px;
  background: var(--bg-paper-aged);
  border: 1px solid var(--border-paper);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.branch-bar-fill {
  height: 100%;
  background: repeating-linear-gradient(-45deg, var(--ink-approved) 0 8px, #5e7e4f 8px 16px);
  border-right: 1px solid var(--ink-approved);
}
.branch-bar-count {
  font-size: 10px;
  color: var(--fg-paper-muted);
  letter-spacing: .08em;
}
.branch-bar-track[data-cat="aviation"]    .branch-bar-fill { background: repeating-linear-gradient(-45deg, var(--cat-aviation-dark) 0 8px, #2e7898 8px 16px); }
.branch-bar-track[data-cat="military"]    .branch-bar-fill { background: repeating-linear-gradient(-45deg, var(--cat-military-dark) 0 8px, #a47030 8px 16px); }
.branch-bar-track[data-cat="military-aviation"] .branch-bar-fill { background: repeating-linear-gradient(-45deg, var(--cat-joint-dark) 0 8px, #b8503e 8px 16px); }

@media (max-width: 720px) {
  .stats-kpis { grid-template-columns: repeat(2, 1fr); }
}

/* Sync dialog */
.sync-card { max-width: 560px; }
.sync-status {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-paper-muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 8px 12px;
  border: 1px dashed var(--fg-paper-faint);
  border-radius: 2px;
  margin: 12px 0 16px;
}
.sync-status.ok { color: var(--ink-approved); border-color: var(--ink-approved); }
.sync-status.unavailable { color: var(--ink-rejected); border-color: var(--ink-rejected); }
.sync-id-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.sync-id-row label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-paper-muted);
}
.sync-id-input {
  display: flex;
  gap: 8px;
}
.sync-id-input input {
  flex: 1;
  font-family: var(--mono);
  background: var(--bg-paper-light);
  color: var(--fg-paper);
  border: 1px solid var(--fg-paper-faint);
}
.sync-id-input input:focus { border-color: var(--ink-classified); }
.sync-actions { display: flex; gap: 8px; }
.sync-actions .primary-btn { flex: 1; }
.sync-meta {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-paper-faint);
  letter-spacing: .1em;
  text-align: right;
}

/* Empty state inside views */
.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--fg-muted);
}
.empty-state h3 {
  font-family: var(--typewriter);
  font-weight: 400;
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 6px;
}
.empty-state p { font-size: 14px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1100px) {
  /* Decorative eyebrow + sub hide on tablets — they need a wide canvas to look right.
     The h1 title stays. They reappear at full desktop widths.                       */
  .brand-eyebrow, .brand-sub { display: none; }
}
@media (max-width: 880px) {
  .classification-banner { font-size: 9.5px; gap: 8px; padding: 4px 12px; }
  .app-header { grid-template-columns: 1fr auto; gap: 12px; padding: 12px 16px; top: 24px; }
  .brand-text h1 { font-size: 14px; }
  .brand-eyebrow, .brand-sub { display: none; }
  .mode-tabs {
    grid-column: 1 / -1;
    justify-self: stretch;
    overflow-x: auto;
    scrollbar-width: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
  }
  .mode-tabs::-webkit-scrollbar { display: none; }
  .mode-tab { padding: 6px 10px; font-size: 11px; flex-shrink: 0; }
  .filter-bar { padding: 8px 16px; gap: 12px; }
  .chip-group legend { display: none; }
  .app-main { padding: 20px 14px 40px; }
  .card-progress { font-size: 10px; gap: 8px; flex-wrap: wrap; }
  .card-progress > span:first-child { min-width: 60px; }
  .mp { font-size: 9.5px; padding: 1px 6px; }
  .streak { font-size: 9.5px; padding: 2px 8px; }
  .card-face { padding: 18px 18px; }
  .flashcard { min-height: 420px; }
  .card-term { font-size: clamp(28px, 8vw, 40px); }
  .card-ipa { font-size: 14px; }
  .card-watermark { font-size: 56px; }
  .grade-row { grid-template-columns: repeat(2, 1fr); }
  .grade-key { display: none; }
  .nav-row { gap: 6px; }
  .ghost-btn { padding: 6px 10px; font-size: 10px; }
  .quiz-card { padding: 22px; }
  .quiz-prompt { font-size: 18px; }
  .browse-row { padding: 12px; grid-template-columns: 1fr; gap: 6px; }
  .browse-uk-flag { display: none; }
  .print-controls { padding: 18px; }
  .stamp-overlay::after { font-size: 56px; padding: 10px 22px; }
}

@media (max-width: 540px) {
  /* Keep the filter bar — make it scroll horizontally so all chips remain reachable */
  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 8px 12px;
    gap: 10px;
  }
  .filter-bar::-webkit-scrollbar { display: none; }
  .filter-bar .filter-spacer { display: none; }
  /* On phones, hide the count — it's available in the stats overlay anyway. */
  .filter-bar .card-count { display: none; }
  .chip-group { flex-shrink: 0; }

  /* Cards: snug paddings */
  .card-face { padding: 16px 14px; }
  .card-strip { font-size: 9px; }
  .card-term { font-size: clamp(26px, 9vw, 36px) !important; }

  /* Quiz: tighter card */
  .quiz-card { padding: 16px; }
  .quiz-card::before { display: none; }

  /* Hide the redundant brand-mark on the smallest screens to give the title room */
  .brand-mark svg { width: 36px; height: 36px; }

  /* Quest player — give header room, prevent title/EXIT collisions */
  .quest-player-header { padding: 14px 16px 10px; gap: 8px; }
  .quest-player-title { font-size: 16px; line-height: 1.25; }
  .quest-player-meta { font-size: 9.5px; letter-spacing: .14em; }
  .quest-player-header .ghost-btn { padding: 4px 8px; font-size: 11px; align-self: flex-start; white-space: nowrap; }
  .quest-step { padding: 16px 16px; }
  .quest-step.locked { padding: 10px 16px; }
  .quest-step-title { font-size: 15px; }
  .quest-step-body { font-size: 15px; line-height: 1.55; }
  .quest-choice-prompt { font-size: 15px; }
  .quest-choice-btn { padding: 10px 12px; font-size: 14px; }
  /* Tighter ops selector cards */
  .quest-card { padding: 14px; }
  .quest-card-title { font-size: 16px; }
  .quest-card-summary { font-size: 13px; }
  .quest-card-meta { font-size: 10px; letter-spacing: .14em; }
}

/* Subtle fade on right edge of horizontally-scrolling tab bar — discoverability for overflow */
@media (max-width: 880px) {
  .mode-tabs {
    -webkit-mask-image: linear-gradient(to right, black calc(100% - 24px), transparent 100%);
    mask-image: linear-gradient(to right, black calc(100% - 24px), transparent 100%);
    padding-right: 12px;
  }
  .mode-tab:last-child { margin-right: 6px; }
}