@font-face { font-family: 'Saira Condensed'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('/app/fonts/SairaCondensed-600.woff2') format('woff2'); }
@font-face { font-family: 'Saira Condensed'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('/app/fonts/SairaCondensed-700.woff2') format('woff2'); }
@font-face { font-family: 'Saira Condensed'; font-style: normal; font-weight: 800; font-display: swap;
  src: url('/app/fonts/SairaCondensed-800.woff2') format('woff2'); }
@font-face { font-family: 'Spectral'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('/app/fonts/Spectral-400.woff2') format('woff2'); }
@font-face { font-family: 'Spectral'; font-style: italic; font-weight: 400; font-display: swap;
  src: url('/app/fonts/Spectral-400i.woff2') format('woff2'); }
@font-face { font-family: 'Spectral'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('/app/fonts/Spectral-500.woff2') format('woff2'); }
@font-face { font-family: 'Spectral'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('/app/fonts/Spectral-600.woff2') format('woff2'); }
@font-face { font-family: 'Special Elite'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('/app/fonts/SpecialElite-400.woff2') format('woff2'); }

:root {
  --paper: #f1e8d2;
  --paper-2: #e6d8b4;
  --paper-deep: #d9c69a;
  --ink: #2b2419;
  --ink-soft: #5c4f38;
  --olive-deep: #1f261a;
  --olive: #2f3a25;
  --olive-mid: #4a5a38;
  --olive-light: #7c8c62;
  --brass: #ad8748;
  --brass-light: #d7b478;
  --red-stamp: #8f3223;
  --green-stamp: #3c6b3f;
  --teal: #95bcbc;

  --badge-veh-bg: #1f261a;   --badge-veh-fg: #e0bd7f;
  --badge-arm-bg: #2a1713;   --badge-arm-fg: #e3a184;
  --badge-pac-bg: #132320;   --badge-pac-fg: #95bcbc;
  --badge-esp-bg: #241a2e;   --badge-esp-fg: #c9a8e0;
  --badge-fort-bg: #2e2013;  --badge-fort-fg: #c9a26a;
  --badge-ing-bg: #17262b;   --badge-ing-fg: #7fb8c9;
  --badge-art-bg: #2a1a1a;   --badge-art-fg: #d18c7a;
  --badge-fe-bg: #16232c;    --badge-fe-fg: #8fb8cf;
  --badge-rad-bg: #10201a;   --badge-rad-fg: #7ed9a0;
  --badge-bat-bg: #301418;   --badge-bat-fg: #e0949c; /* compartido por todos los bloques de batalla */

  --display: 'Saira Condensed', "Arial Narrow", sans-serif;
  --body: 'Spectral', Georgia, "Times New Roman", serif;
  --label: 'Special Elite', "Courier New", monospace;

  --r-chip: 2px;
  --r-card: 3px;
  --r-stamp: 4px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--paper);
  min-height: 100vh;
  background-color: #1a2015;
  background-image:
    radial-gradient(ellipse 1000px 560px at 50% -8%, rgba(215, 180, 120, 0.10), transparent 70%),
    radial-gradient(ellipse 1300px 900px at 50% 108%, rgba(0, 0, 0, 0.45), transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* ============ HEADER ============ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: linear-gradient(180deg, #242c1c, #141911);
  border-bottom: 2px solid var(--brass);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
  padding: 12px clamp(14px, 4vw, 26px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.topbar-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.topbar-brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-mark {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--brass);
  border-radius: 2px;
  position: relative;
  flex: none;
}
.topbar-mark::after {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid var(--brass-light);
}

.topbar h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1rem, 3vw, 1.3rem);
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  line-height: 1;
}

.pack-badge {
  font-family: var(--label);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #2a2210;
  background: var(--brass-light);
  border: 1px solid var(--brass);
  border-radius: 2px;
  padding: 2px 6px 1px;
  line-height: 1.4;
  flex: none;
}

.topbar .eyebrow {
  font-family: var(--label);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass-light);
  padding-left: 30px;
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.lang-toggle {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--brass);
  border-radius: 3px;
  padding: 7px 12px;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--display);
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  transition: background 0.15s, color 0.15s;
}
.lang-toggle:hover { background: var(--brass); color: var(--olive-deep); }

/* score area — populated differently per mode (study counter vs survival streak/record) */
.score-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.study-counter {
  font-variant-numeric: tabular-nums;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--olive-deep);
  background: linear-gradient(180deg, var(--brass-light), var(--brass));
  border: 1px solid var(--brass-light);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.85rem;
}

.survival-header {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.record-pill {
  display: flex;
  align-items: baseline;
  gap: 6px;
  background: linear-gradient(180deg, var(--brass-light), var(--brass));
  border: 1px solid var(--brass-light);
  border-radius: 3px;
  padding: 4px 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.record-pill .rp-label {
  font-family: var(--label);
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #3a2f18;
}
.record-pill .rp-value {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--olive-deep);
}

.streak-label {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #e0b878;
}

.lives-row {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-top: 2px;
}

.cartridge {
  display: inline-block;
  position: relative;
  width: 9px;
  height: 27px;
  transition: opacity 0.3s ease, filter 0.3s ease;
}

.cartridge::before,
.cartridge::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  right: 0;
}

/* casquillo de latón: cuerpo ligeramente cónico + reborde de extracción + fulminante */
.cartridge::before {
  bottom: 0;
  height: 63%;
  background:
    radial-gradient(circle at 50% 97%, rgba(40, 28, 10, 0.85) 0%, rgba(40, 28, 10, 0.85) 22%, transparent 24%),
    linear-gradient(90deg,
      rgba(20, 14, 4, 0.55) 0%,
      rgba(255, 244, 214, 0.55) 14%,
      transparent 30%,
      transparent 72%,
      rgba(20, 14, 4, 0.4) 100%),
    linear-gradient(180deg, var(--brass-light) 0%, var(--brass) 52%, #8a6a34 82%, #6b5024 100%);
  clip-path: polygon(6% 0%, 94% 0%, 100% 92%, 100% 96%, 88% 100%, 12% 100%, 0% 96%, 0% 92%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* hombro + ojiva de la bala: más estrecha que el casquillo, punta redondeada */
.cartridge::after {
  top: 0;
  height: 42%;
  left: 12%;
  right: 12%;
  background:
    linear-gradient(90deg,
      rgba(20, 12, 2, 0.5) 0%,
      rgba(255, 232, 200, 0.55) 18%,
      transparent 34%,
      transparent 70%,
      rgba(20, 12, 2, 0.45) 100%),
    linear-gradient(180deg, #e3ab6c 0%, #c9823f 55%, #935a29 100%);
  clip-path: polygon(50% 0%, 74% 10%, 90% 26%, 100% 52%, 100% 100%, 0% 100%, 0% 52%, 10% 26%, 26% 10%);
}

.cartridge.spent {
  opacity: 0.3;
  filter: grayscale(0.9) brightness(0.75);
}

.cartridge.just-lost {
  animation: cartridge-eject 0.65s cubic-bezier(0.3, 0, 0.4, 1) forwards;
}

@keyframes cartridge-eject {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; filter: none; }
  25% { transform: translateY(-4px) rotate(-14deg); opacity: 1; filter: none; }
  55% { transform: translateY(1px) rotate(10deg); opacity: 0.7; filter: grayscale(0.6) brightness(0.85); }
  100% { transform: translateY(0) rotate(0deg); opacity: 0.3; filter: grayscale(0.9) brightness(0.75); }
}

/* ============ LAYOUT ============ */

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 16px 60px;
}

.loading, .error {
  text-align: center;
  color: var(--brass-light);
  margin-top: 60px;
  font-family: var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ============ CARD ============ */

@keyframes dossierStamp {
  0% { opacity: 0; transform: scale(1.7) rotate(-4deg); }
  55% { opacity: 1; transform: scale(0.9) rotate(-4deg); }
  100% { opacity: 1; transform: scale(1) rotate(-4deg); }
}

.card-wrap {
  position: relative;
}

.card-wrap::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 84px;
  height: 22px;
  background: linear-gradient(180deg, rgba(199, 164, 105, 0.72), rgba(173, 135, 72, 0.6));
  border: 1px solid rgba(90, 65, 30, 0.3);
  box-shadow: 0 3px 7px rgba(0, 0, 0, 0.28);
  z-index: 5;
}

.card {
  position: relative;
  background: var(--paper);
  background-image: radial-gradient(ellipse at 18% 0%, rgba(255, 255, 255, 0.4), transparent 55%);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: var(--r-card);
  padding: 24px 22px 22px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.42), inset 0 0 0 1px rgba(173, 135, 72, 0.9);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 7px;
  border: 1px solid var(--brass);
  pointer-events: none;
  border-radius: 2px;
}

.card::after {
  content: 'RESTRINGIDO';
  position: absolute;
  right: -18px;
  bottom: 10px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 2.2rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  opacity: 0.05;
  transform: rotate(-14deg);
  pointer-events: none;
  white-space: nowrap;
}

.card-inner { position: relative; }

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--brass);
}

.badge {
  display: inline-block;
  border-radius: 3px;
  padding: 4px 11px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.badge-vehiculos { background: var(--badge-veh-bg); color: var(--badge-veh-fg); border-color: var(--badge-veh-fg); }
.badge-armamento { background: var(--badge-arm-bg); color: var(--badge-arm-fg); border-color: var(--badge-arm-fg); }
.badge-pacifico  { background: var(--badge-pac-bg); color: var(--badge-pac-fg); border-color: var(--badge-pac-fg); }
.badge-espionaje { background: var(--badge-esp-bg); color: var(--badge-esp-fg); border-color: var(--badge-esp-fg); }
.badge-fortificaciones { background: var(--badge-fort-bg); color: var(--badge-fort-fg); border-color: var(--badge-fort-fg); }
.badge-ingenieria { background: var(--badge-ing-bg); color: var(--badge-ing-fg); border-color: var(--badge-ing-fg); }
.badge-artilleria { background: var(--badge-art-bg); color: var(--badge-art-fg); border-color: var(--badge-art-fg); }
.badge-frente_este { background: var(--badge-fe-bg); color: var(--badge-fe-fg); border-color: var(--badge-fe-fg); }
.badge-radares { background: var(--badge-rad-bg); color: var(--badge-rad-fg); border-color: var(--badge-rad-fg); }
.badge-normandia { background: var(--badge-bat-bg); color: var(--badge-bat-fg); border-color: var(--badge-bat-fg); }

.meta-position {
  flex: 1;
  text-align: right;
  font-family: var(--label);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0 10px;
}

.difficulty { display: flex; gap: 4px; align-items: center; flex: none; }
.difficulty .pip { width: 9px; height: 9px; border: 1px solid var(--brass); transform: rotate(45deg); }
.difficulty .pip.filled { background: var(--brass); border-color: var(--brass); }
.difficulty .pip.filled-danger { background: var(--red-stamp); border-color: var(--red-stamp); }

.question-text {
  font-family: var(--body);
  font-weight: 500;
  font-size: 1.2rem;
  line-height: 1.5;
  margin: 0 0 18px;
  color: var(--ink);
}

/* photo frame */
.question-image-wrap {
  position: relative;
  width: 100%;
  border-radius: 2px;
  margin-bottom: 20px;
  background: var(--paper-2);
  border: 1px solid var(--brass);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.26), inset 0 0 0 1px rgba(255, 255, 255, 0.4);
  padding: 12px 12px 28px;
}

.question-image-wrap .img-label {
  font-family: var(--label);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  opacity: 0.85;
  margin-bottom: 6px;
}

.question-image-wrap img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: contain;
  background: var(--paper-deep);
  border: 1px solid var(--ink-soft);
  filter: sepia(0.28) contrast(1.04) saturate(0.88);
}

.question-image-wrap .img-caption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--label);
  font-size: 0.56rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  opacity: 0.85;
  text-transform: uppercase;
}

/* ============ OPTIONS ============ */

.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option {
  display: flex;
  align-items: stretch;
  width: 100%;
  text-align: left;
  background: #f4ecd4;
  border: 1px solid #c9b785;
  border-radius: 2px;
  padding: 0;
  min-height: 54px;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset;
  font-family: inherit;
}

.option:hover:not(:disabled) {
  background: #ece0bd;
  border-color: var(--brass);
  transform: translateX(3px);
}

.option:disabled { cursor: default; }

.option .opt-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  align-self: stretch;
  background: var(--olive);
  color: var(--brass-light);
  font-family: var(--label);
  font-size: 0.85rem;
  flex: none;
}

.option .opt-text {
  flex: 1;
  padding: 12px 15px;
  display: flex;
  align-items: center;
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.35;
  color: var(--ink);
}

.option .opt-mark {
  display: flex;
  align-items: center;
  padding: 0 15px;
  font-family: var(--label);
  font-weight: 700;
  font-size: 1rem;
  flex: none;
}

.option.correct {
  background: rgba(60, 107, 63, 0.16);
  border-color: var(--green-stamp);
}
.option.correct .opt-letter { background: var(--green-stamp); color: var(--paper); }
.option.correct .opt-text { color: #2f5033; font-weight: 600; }
.option.correct .opt-mark { color: var(--green-stamp); }

.option.incorrect {
  background: rgba(143, 50, 35, 0.13);
  border-color: var(--red-stamp);
}
.option.incorrect .opt-letter { background: var(--red-stamp); color: var(--paper); }
.option.incorrect .opt-text { color: #7a2c20; font-weight: 600; }
.option.incorrect .opt-mark { color: var(--red-stamp); }

.option.discarded { opacity: 0.5; }

/* ============ FEEDBACK ============ */

.feedback {
  margin-top: 20px;
  padding: 16px 16px 14px;
  border-radius: 2px;
  background: var(--paper-2);
  border: 1px dashed var(--brass);
}

.feedback-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.feedback-title {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.95rem;
  padding: 5px 14px;
  border: 3px solid currentColor;
  border-radius: var(--r-stamp);
  transform: rotate(-4deg);
  animation: dossierStamp 0.5s ease-out both;
}
.feedback-title.correct { color: var(--green-stamp); }
.feedback-title.incorrect { color: var(--red-stamp); }

.feedback-sub {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
}
.feedback-sub.correct { color: var(--green-stamp); }
.feedback-sub.incorrect { color: var(--red-stamp); }

.feedback-text {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
  font-family: var(--body);
  font-size: 0.98rem;
}

.next-btn, .restart-btn, .primary-btn {
  margin-top: 18px;
  width: 100%;
  padding: 13px;
  background: var(--olive-mid);
  color: var(--paper);
  border: 2px solid var(--brass);
  border-radius: 3px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.15s;
}
.next-btn:hover, .restart-btn:hover, .primary-btn:hover { background: var(--olive); }

/* ============ CANDADO DE LICENCIA (archivo completo) ============ */

.license-gate { text-align: center; padding: 26px 24px 22px; }
.license-gate h2 {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--olive-deep);
  margin: 0 0 10px;
}
.license-gate p {
  font-family: var(--body);
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 14px;
}
.license-error { color: var(--red-stamp); font-weight: 600; }
.license-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  margin-bottom: 10px;
  border: 2px solid var(--ink);
  border-radius: 3px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--body);
  font-size: 0.98rem;
}
.license-input:focus { outline: none; border-color: var(--brass); }
.license-buy { font-size: 0.9rem; }
.license-buy a { color: var(--olive-mid); text-decoration: underline; font-weight: 600; }

/* ============ SCORE PANEL (survival) ============ */

.score-panel {
  display: flex;
  flex-wrap: wrap;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.32);
  margin-bottom: 20px;
}
.score-cell {
  flex: 1;
  min-width: 110px;
  padding: 14px 16px;
  border-right: 1px dashed var(--brass);
}
.score-cell:last-child { border-right: none; background: var(--paper-2); }
.score-cell .sc-label {
  font-family: var(--label);
  font-size: 0.56rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.score-cell .sc-value {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1.15;
  color: var(--ink);
}
.score-cell .sc-value.accent { color: var(--green-stamp); }
.score-cell .sc-value.brass { color: var(--brass); }

.streak-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--label);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--brass-light);
}
.streak-progress .sp-pips { display: flex; gap: 4px; }
.streak-progress .sp-pips span {
  width: 10px; height: 10px; border-radius: 50%;
  border: 1px solid var(--brass-light);
}
.streak-progress .sp-pips span.filled { background: var(--brass-light); }

/* ============ MODE SELECT ============ */

.mode-select {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mode-select .intro {
  font-family: var(--body);
  color: var(--paper);
  font-size: 0.98rem;
  line-height: 1.6;
  margin: 0 0 6px;
}

.block-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.filter-label {
  font-family: var(--label);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-light);
  flex: none;
}
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-chip {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid;
  opacity: 0.45;
  background: transparent;
  transition: opacity 0.15s, transform 0.1s;
}
.filter-chip:hover { transform: translateY(-1px); }
.filter-chip.active { opacity: 1; }
.filter-chip.badge-vehiculos { color: var(--badge-veh-fg); border-color: var(--badge-veh-fg); }
.filter-chip.badge-vehiculos.active { background: var(--badge-veh-bg); }
.filter-chip.badge-armamento { color: var(--badge-arm-fg); border-color: var(--badge-arm-fg); }
.filter-chip.badge-armamento.active { background: var(--badge-arm-bg); }
.filter-chip.badge-pacifico { color: var(--badge-pac-fg); border-color: var(--badge-pac-fg); }
.filter-chip.badge-pacifico.active { background: var(--badge-pac-bg); }
.filter-chip.badge-espionaje { color: var(--badge-esp-fg); border-color: var(--badge-esp-fg); }
.filter-chip.badge-espionaje.active { background: var(--badge-esp-bg); }
.filter-chip.badge-fortificaciones { color: var(--badge-fort-fg); border-color: var(--badge-fort-fg); }
.filter-chip.badge-fortificaciones.active { background: var(--badge-fort-bg); }
.filter-chip.badge-ingenieria { color: var(--badge-ing-fg); border-color: var(--badge-ing-fg); }
.filter-chip.badge-ingenieria.active { background: var(--badge-ing-bg); }
.filter-chip.badge-artilleria { color: var(--badge-art-fg); border-color: var(--badge-art-fg); }
.filter-chip.badge-artilleria.active { background: var(--badge-art-bg); }
.filter-chip.badge-frente_este { color: var(--badge-fe-fg); border-color: var(--badge-fe-fg); }
.filter-chip.badge-frente_este.active { background: var(--badge-fe-bg); }
.filter-chip.badge-radares { color: var(--badge-rad-fg); border-color: var(--badge-rad-fg); }
.filter-chip.badge-radares.active { background: var(--badge-rad-bg); }
.filter-chip.badge-normandia { color: var(--badge-bat-fg); border-color: var(--badge-bat-fg); }
.filter-chip.badge-normandia.active { background: var(--badge-bat-bg); }

.filter-group { margin-bottom: 8px; }
.filter-group-label {
  display: block;
  font-family: var(--label);
  font-size: 0.52rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 4px;
}
.mode-card {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--r-card);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.38), inset 0 0 0 1px rgba(173, 135, 72, 0.9);
  padding: 20px 20px;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s;
  color: var(--ink);
}
.mode-card:hover { transform: translateY(-2px); border-color: var(--brass); }
.mode-card h3 {
  margin: 0 0 6px;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1.15rem;
  color: var(--olive-deep);
}
.mode-card p {
  margin: 0;
  font-family: var(--body);
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.55;
}
.mode-card .mode-tag {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--label);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}

.mode-card-daily {
  position: relative;
  border-color: var(--brass);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.38), inset 0 0 0 2px var(--brass-light);
}
.mode-card-daily::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  border-radius: var(--r-card) var(--r-card) 0 0;
  background: linear-gradient(90deg, var(--brass), var(--brass-light), var(--brass));
}

.daily-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0;
}
.daily-cell {
  width: 20px;
  height: 20px;
  border-radius: 3px;
  border: 1px solid var(--ink);
}
.daily-cell.ok { background: var(--olive-mid); }
.daily-cell.fail { background: var(--red-stamp); opacity: 0.85; }

.daily-return-note {
  font-family: var(--body);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 4px 0 18px;
}

/* ============ DEBRIEF (end of run) ============ */

.debrief {
  text-align: center;
  padding: 30px 24px 26px;
}
.debrief-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.debrief-head .debrief-label {
  font-family: var(--label);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.new-record-stamp {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-stamp);
  border: 3px solid var(--red-stamp);
  border-radius: var(--r-stamp);
  padding: 4px 12px;
  transform: rotate(-4deg);
  animation: dossierStamp 0.5s ease-out both;
}
.debrief-streak {
  margin: 20px auto 6px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  border: 4px double var(--brass);
  border-radius: 4px;
  padding: 12px 30px;
  background: var(--paper-2);
  transform: rotate(-1.5deg);
}
.debrief-streak .ds-num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 3rem;
  line-height: 0.95;
  color: var(--olive-deep);
}
.debrief-streak .ds-label {
  font-family: var(--label);
  font-size: 0.56rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 4px;
}
.debrief-rank {
  margin-top: 12px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--olive-mid);
}
.debrief-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 22px 0 6px;
  background: var(--brass);
  border: 1px solid var(--brass);
  border-radius: 3px;
  overflow: hidden;
}
.debrief-stats .ds-cell { background: var(--paper-2); padding: 13px 6px; }
.debrief-stats .ds-cell .lbl {
  font-family: var(--label);
  font-size: 0.54rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.debrief-stats .ds-cell .val {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
}
.debrief-stats .ds-cell .val.brass { color: var(--brass); }

/* study-mode completion (no ranks/records) */
.finished {
  text-align: center;
  padding: 34px 20px;
}
.finished h2 {
  margin-bottom: 6px;
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.finished p { color: var(--ink-soft); font-family: var(--body); }
.finished .score-big {
  display: inline-block;
  font-family: var(--display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--olive-deep);
  border: 4px double var(--brass);
  padding: 10px 26px;
  margin: 14px 0;
  transform: rotate(-2deg);
  letter-spacing: 0.04em;
}

/* ============ FOOTER LINK ============ */

.demo-footer, .mode-switch-link {
  text-align: center;
  margin: 18px 0 0;
}
.demo-footer a, .mode-switch-link a, .mode-switch-link button {
  color: var(--brass-light);
  font-family: var(--display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px dashed var(--brass);
  padding-bottom: 2px;
  background: none;
  border-left: none; border-right: none; border-top: none;
  cursor: pointer;
}
.demo-footer a:hover, .mode-switch-link a:hover, .mode-switch-link button:hover { color: var(--paper); }

@media (max-width: 480px) {
  .question-text { font-size: 1.08rem; }
  .card { padding: 20px 16px 18px; }
  .score-cell { min-width: 45%; }

  /* cabecera compacta: en pantallas pequeñas la barra pegajosa no debe comerse
     ~20% del alto; se oculta el subtítulo y se aprietan los espacios */
  .topbar { padding: 8px 12px; }
  .topbar .eyebrow { display: none; }
  .survival-header { flex-direction: row; align-items: center; gap: 8px; }
  .lives-row { margin-top: 0; }
}