:root {
  --bg: #090506;
  --bg-soft: #12090b;
  --panel: rgba(15, 9, 11, 0.9);
  --panel-strong: rgba(11, 6, 8, 0.95);

  --text: #f1e7dc;
  --text-soft: #cfbdab;
  --muted: #9f8771;

  --gold: #c1986c;
  --gold-soft: rgba(193, 152, 108, 0.22);
  --line: rgba(193, 152, 108, 0.22);
  --line-strong: rgba(193, 152, 108, 0.36);

  --wine: #611627;
  --wine-2: #8e2537;
  --danger: #b34a57;

  --shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  --radius: 28px;
  --radius-md: 20px;
  --radius-sm: 16px;

  --transition: 0.28s ease;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
}

body {
  overflow-x: hidden;
  background:
    radial-gradient(circle at top, rgba(106, 20, 37, 0.18), transparent 28%),
    radial-gradient(circle at bottom, rgba(193, 152, 108, 0.05), transparent 22%),
    linear-gradient(180deg, #10090b 0%, #080506 56%, #050304 100%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.app {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.app::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image:
    repeating-radial-gradient(circle at 20% 20%, rgba(255,255,255,0.08) 0 1px, transparent 1px 3px),
    repeating-radial-gradient(circle at 80% 60%, rgba(255,255,255,0.04) 0 1px, transparent 1px 4px);
  mix-blend-mode: soft-light;
}

.app::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle, transparent 48%, rgba(0,0,0,0.7) 100%);
}

.screen {
  position: absolute;
  inset: 0;
  min-height: 100vh;
  padding: 24px 16px;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.012);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.screen.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel {
  width: 100%;
  max-width: 1180px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)),
    var(--panel);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
  pointer-events: none;
}

/* HOME */
.screen-home {
  background: transparent;
}

.home-panel {
  padding: 20px;
}

.home-card {
  display: grid;
  gap: 20px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.home-image-wrap {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(18,18,18,0.35), rgba(5,5,5,0.6));
  min-height: 320px;
}

.home-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.08), rgba(0,0,0,0.38)),
    linear-gradient(0deg, rgba(10,4,5,0.18), rgba(106,20,37,0.12));
}

.home-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.74) contrast(1.04) brightness(0.76);
}

.home-content {
  padding: 28px 24px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.home-content h1 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
}

.home-content p {
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 700px;
}

.flavour-text {
  color: var(--muted) !important;
  font-style: italic;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.76rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

/* CODE + END */
.screen-code {
  background: linear-gradient(180deg, rgba(14,10,11,0.98), rgba(6,4,5,0.98));
}

.code-panel,
.ending-panel {
  max-width: 760px;
  padding: 58px 24px 28px;
}

.screen-ending {
  background: linear-gradient(180deg, #4c1220 0%, #260a12 45%, #090304 100%);
}

.ending-panel {
  border-color: rgba(193,152,108,0.2);
  background: linear-gradient(180deg, rgba(32,12,18,0.95), rgba(12,4,7,0.98));
}

.code-panel h2,
.ending-panel h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
}

.lead {
  margin: 18px 0 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.stack {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.stack input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-radius: 18px;
  padding: 16px 18px;
  letter-spacing: 0.12em;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.stack input::placeholder {
  color: #8f706a;
}

.stack input:focus {
  border-color: var(--line-strong);
  background: rgba(255,255,255,0.045);
  box-shadow: 0 0 0 4px rgba(193,152,108,0.08);
}

.error-message {
  min-height: 22px;
  margin: 0;
  color: #d98792;
  font-size: 0.94rem;
}

.progress-text {
  min-height: 22px;
  margin: 0;
  color: var(--gold);
  font-size: 0.94rem;
}

/* BOTONES */
.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 14px 20px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(180deg, var(--wine-2), var(--wine));
  border-color: rgba(255,255,255,0.04);
  color: #fff4ef;
  width: 100%;
  box-shadow: 0 12px 26px rgba(106,20,37,0.34);
}

.btn-secondary {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--gold);
}

.btn-hint {
  background: rgba(106,20,37,0.34);
  border-color: rgba(193,152,108,0.26);
  color: #fff0f3;
}

.btn-hint:hover {
  background: rgba(106,20,37,0.5);
}

.btn-hint.wide {
  width: 100%;
}

.close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 6, 7, 0.82);
  color: var(--gold);
  font-size: 1.55rem;
  transition: all var(--transition);
}

.close-btn:hover {
  transform: scale(1.04);
  border-color: var(--line-strong);
  background: rgba(22, 12, 15, 0.95);
}

.close-btn.small {
  width: 40px;
  height: 40px;
}

/* GAME */
.screen-game {
  background: linear-gradient(180deg, #5b1830 0%, #6d2037 45%, #34101d 100%);
  transition: background 0.45s ease;
}

.game-panel {
  position: relative;
  max-width: 1180px;
  min-height: calc(100vh - 48px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20,9,12,0.95), rgba(10,4,6,0.98));
  padding: 20px;
  transition: background 0.45s ease, border-color 0.45s ease;
}

.game-topbar {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(193,152,108,0.12);
}

.game-topbar .close-btn {
  justify-self: start;
}

.game-topbar-center {
  text-align: center;
}

.game-topbar-center .eyebrow {
  margin: 0;
}

.game-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pill-btn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  transition: all var(--transition);
}

.pill-btn:hover {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(193,152,108,0.06);
}

.game-content {
  display: grid;
  gap: 24px;
}

/* Tarjetas juego */
.video-card,
.code-card,
.symbols-card {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.45s ease, background 0.45s ease;
}

.video-box {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  position: relative;
}

.video-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.035), transparent 45%),
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.1));
  pointer-events: none;
}

.video-inner {
  max-width: 760px;
  position: relative;
  z-index: 1;
}

.video-label,
.mini-label {
  margin: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.video-title,
.symbols-title {
  margin: 14px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1;
  color: var(--text);
}

.video-text,
.symbols-text {
  margin: 16px 0 0;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.8;
}

.code-card {
  padding: 20px;
}

.code-card input {
  width: 100%;
  border-radius: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  color: var(--text);
  outline: none;
  background: #2b0b13;
  letter-spacing: 0.12em;
  margin-top: 12px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.code-card input::placeholder {
  color: #b47c89;
}

.code-card input:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px rgba(193,152,108,0.08);
}

.code-card .btn {
  margin-top: 10px;
}

.symbols-header {
  padding: 22px 22px 0;
}

.symbols-field {
  position: relative;
  height: 430px;
  overflow: hidden;
  margin-top: 18px;
  background:
    radial-gradient(circle at center, rgba(193,152,108,0.08), transparent 44%),
    linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.14));
}

.symbols-field::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      180deg,
      rgba(255,255,255,0.015) 0px,
      rgba(255,255,255,0.015) 1px,
      transparent 1px,
      transparent 4px
    );
  opacity: 0.22;
  pointer-events: none;
}

.symbol-btn {
  position: absolute;
  width: 62px;
  height: 62px;
  border-radius: 999px;
  border: 1px solid rgba(193,152,108,0.34);
  background: radial-gradient(circle at 30% 30%, rgba(142,36,53,0.92), rgba(46,12,18,0.9));
  color: #fff2ef;
  font-size: 1.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: cmdFloat 8s ease-in-out infinite;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
  box-shadow: 0 10px 24px rgba(0,0,0,0.28);
}

.symbol-btn:hover {
  transform: scale(1.1);
  background: radial-gradient(circle at 30% 30%, rgba(168,58,78,0.96), rgba(65,15,26,0.95));
}

.symbol-btn.active {
  transform: scale(1.12);
  background: radial-gradient(circle at 30% 30%, rgba(193,152,108,0.95), rgba(122,67,39,0.94));
  border-color: rgba(255,240,220,0.8);
  color: #fff;
  box-shadow: 0 0 24px rgba(193,152,108,0.18);
}

.symbols-footer {
  border-top: 1px solid rgba(193,152,108,0.14);
  background: rgba(0, 0, 0, 0.16);
  padding: 18px 22px 22px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.symbols-instruction {
  margin-bottom: 10px;
}

.action-row {
  display: flex;
  justify-content: center;
}

/* Pistas */
.hints-overlay[hidden] {
  display: none;
}

.hints-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
}

.hints-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(4px);
  border-radius: 24px;
}

.hints-modal {
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(100% - 2rem);
  max-width: 640px;
  transform: translate(-50%, -50%);
  border-radius: 24px;
  border: 1px solid rgba(193,152,108,0.22);
  background:
    linear-gradient(180deg, rgba(106,20,37,0.1), rgba(0,0,0,0)),
    rgba(15,8,10,0.97);
  padding: 22px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.hints-title {
  margin: 0;
  padding-right: 52px;
  font-size: 1.8rem;
  color: var(--text);
  text-align: center;
}

.hints-subtitle {
  margin: 12px auto 0;
  max-width: 42ch;
  color: var(--muted);
  line-height: 1.7;
  text-align: center;
}

.hints-buttons {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.hint-text {
  margin-top: 18px;
  min-height: 84px;
  border: 1px solid rgba(193,152,108,0.12);
  border-radius: 18px;
  background: rgba(255,255,255,0.02);
  padding: 14px;
  color: #f7dde2;
  line-height: 1.75;
  font-size: 0.96rem;
}

/* Animación símbolos */
@keyframes cmdFloat {
  0% { transform: translateY(0px) translateX(0px); }
  25% { transform: translateY(-10px) translateX(6px); }
  50% { transform: translateY(6px) translateX(-8px); }
  75% { transform: translateY(-6px) translateX(4px); }
  100% { transform: translateY(0px) translateX(0px); }
}

/* Responsive */
@media (min-width: 768px) {
  .home-card {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: stretch;
  }

  .home-content {
    padding: 44px 42px;
  }

  .btn-primary {
    width: auto;
  }

  .hints-buttons {
    grid-template-columns: repeat(3, 1fr);
  }

  .symbols-field {
    height: 520px;
  }

  .symbol-btn {
    width: 68px;
    height: 68px;
    font-size: 2rem;
  }
}

@media (max-width: 767px) {
  .game-panel {
    min-height: calc(100vh - 32px);
    padding: 14px;
  }

  .game-topbar {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 10px;
  }

  .game-topbar .close-btn {
    justify-self: start;
  }

  .game-actions {
    justify-content: center;
  }

  .home-content h1 {
    font-size: clamp(2.6rem, 11vw, 4.2rem);
  }

  .hints-title {
    font-size: 1.5rem;
  }
}