/* ═══════════════════════════════════════
   ALMA MÍA — VACACIONES 2026
   Sistema de diseño
═══════════════════════════════════════ */

:root {
  --black:        #111111;
  --charcoal:     #1C1C1E;
  --charcoal-2:   #252528;
  --stone:        #2A2A2D;
  --cream:        #F4EFE6;
  --cream-60:     rgba(244, 239, 230, 0.60);
  --cream-40:     rgba(244, 239, 230, 0.40);
  --cream-20:     rgba(244, 239, 230, 0.20);
  --cream-10:     rgba(244, 239, 230, 0.10);
  --gold:         #C9A86C;
  --gold-30:      rgba(201, 168, 108, 0.30);
  --gold-20:      rgba(201, 168, 108, 0.20);
  --ember:        #D97736;
  --ember-30:     rgba(217, 119, 54, 0.30);
  --ember-20:     rgba(217, 119, 54, 0.20);
  --ember-glow:   #FF9A5C;
  --success:      #4A7C59;
  --font-serif:   'Playfair Display', Georgia, serif;
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    18px;
  --radius-xl:    24px;
  
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--black);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
}

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

.app {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  overflow: hidden;
  background: var(--black);
}

/* ═══════════════════════════════════════
   SCREENS
═══════════════════════════════════════ */

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 400ms cubic-bezier(0.22, 1, 0.36, 1),
              visibility 400ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 1;
}

.screen.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 10;
}

/* ═══════════════════════════════════════
   INTRO SCREEN
═══════════════════════════════════════ */

.screen-intro {
  background: var(--black);
  text-align: center;
}

.intro-content {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-height: 800px;
  padding: 0.5rem 0;
}

.intro-header {
  width: 100%;
  display: flex;
  justify-content: center;
}

.intro-logo {
  max-width: 70%;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.intro-illustration {
  flex: 0 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}

.oven-icon {
  width: 80px;
  height: 80px;
  color: var(--cream-60);
}

.oven-icon svg {
  width: 100%;
  height: 100%;
}

.oven-glow {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.intro-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.intro-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1.1;
  margin: 0;
  color: var(--cream);
}

.intro-body,
.intro-question {
  font-size: 1rem;
  color: var(--cream-60);
  margin: 0;
}

.intro-question {
  color: var(--gold);
  font-style: italic;
  font-family: var(--font-serif);
}

.intro-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.difficulty-select {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.difficulty-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream-40);
}

.difficulty-options {
  display: flex;
  gap: 0.5rem;
}

.difficulty-btn {
  flex: 1;
  padding: 0.7rem 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--cream-60);
  border: 1px solid var(--cream-20);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.difficulty-btn.is-active,
.difficulty-btn:hover {
  color: var(--black);
  background: var(--gold);
  border-color: var(--gold);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 100px;
  transition: transform var(--transition-fast), background var(--transition-base), box-shadow var(--transition-base);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
  box-shadow: 0 4px 20px var(--gold-20);
}

.btn-primary:hover {
  background: #D4B27A;
  box-shadow: 0 6px 28px var(--gold-30);
}

.btn-secondary {
  background: var(--charcoal);
  color: var(--cream);
  border: 1px solid var(--cream-20);
}

.btn-secondary:hover {
  background: var(--charcoal-2);
  border-color: var(--cream-40);
}

.btn-ghost {
  color: var(--cream-60);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  color: var(--cream);
  border-color: var(--cream-20);
}

.intro-footer {
  margin-top: 1rem;
}

.intro-footer p {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-40);
  margin: 0;
}

/* ═══════════════════════════════════════
   GAME SCREEN
═══════════════════════════════════════ */

.screen-game {
  background: var(--black);
  padding: 0;
  justify-content: flex-start;
  align-items: stretch;
}

.game-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--cream-10);
}

.btn-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream-60);
  border-radius: 50%;
  transition: background var(--transition-base), color var(--transition-base);
}

.btn-icon:hover {
  background: var(--cream-10);
  color: var(--cream);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

.game-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.game-title-name {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--cream);
}

.game-title-sub {
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-40);
}

.game-hud {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  gap: 1rem;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
}

.hud-item-center {
  align-items: center;
}

.hud-item:last-child {
  align-items: flex-end;
}

.hud-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-40);
}

.hud-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cream);
  font-variant-numeric: tabular-nums;
}

.board-container {
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  overflow: hidden;
  min-height: 0;
}

.board {
  display: grid;
  gap: 0.45rem;
  padding: 0.6rem;
  background: var(--charcoal);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 2px 12px rgba(0,0,0,0.4), 0 0 0 1px var(--cream-10);
  touch-action: none;
  user-select: none;
  width: 100%;
  max-width: min(100%, 420px);
  aspect-ratio: 1;
}

.tile {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius-sm);
  background: var(--stone);
  border: 1px solid rgba(244, 239, 230, 0.08);
  color: var(--cream);
  transition: transform 100ms ease, background 200ms ease, box-shadow 200ms ease;
  cursor: pointer;
  overflow: hidden;
}

.tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(0,0,0,0.1));
  pointer-events: none;
}

.tile:active {
  transform: scale(0.95);
}

.tile.is-revealed {
  background: var(--charcoal-2);
  border-color: transparent;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
  cursor: default;
}

.tile.is-revealed:active {
  transform: none;
}

.tile.is-revealed::before {
  background: linear-gradient(145deg, rgba(0,0,0,0.05), rgba(0,0,0,0.15));
}

.tile.is-mine {
  background: var(--ember-20);
  border-color: var(--ember-30);
  animation: brasa-reveal 500ms ease forwards;
}

.tile.is-mine::after {
  content: '';
  position: absolute;
  width: 55%;
  height: 55%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--ember-glow), var(--ember) 40%, transparent 70%);
  box-shadow: 0 0 20px var(--ember-30);
  animation: brasa-pulse 1.5s ease-in-out infinite;
}

@keyframes brasa-reveal {
  0% { transform: scale(0.8); opacity: 0.5; }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes brasa-pulse {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

.tile.is-flagged::after {
  content: '';
  position: absolute;
  width: 28%;
  height: 36%;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 25%, 0 50%, 0 100%);
  transform: translateX(-10%);
}

.tile-number-1 { color: #8AB4F8; }
.tile-number-2 { color: #81C995; }
.tile-number-3 { color: #F9AB00; }
.tile-number-4 { color: #F28B82; }
.tile-number-5 { color: #FF8C69; }
.tile-number-6 { color: #C58AF9; }
.tile-number-7 { color: #F4EFE6; }
.tile-number-8 { color: #C9A86C; }

.game-toolbar {
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0.75rem 1rem 1.5rem;
  gap: 0.5rem;
  border-top: 1px solid var(--cream-10);
}

.toolbar-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 0.25rem;
  color: var(--cream-60);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), color var(--transition-base);
  position: relative;
}

.toolbar-btn:hover {
  background: var(--cream-10);
  color: var(--cream);
}

.toolbar-btn.is-active {
  color: var(--gold);
  background: var(--gold-20);
}

.toolbar-btn.is-disabled {
  opacity: 0.4;
  pointer-events: none;
  color: var(--cream-40);
}

.toolbar-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toolbar-icon svg {
  width: 100%;
  height: 100%;
}

.toolbar-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.toolbar-count {
  position: absolute;
  top: 0.35rem;
  right: calc(50% - 1.7rem);
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--black);
  background: var(--gold);
  border-radius: 9px;
}

/* ═══════════════════════════════════════
   RESULT SCREENS
═══════════════════════════════════════ */

.screen-result {
  background: var(--black);
  text-align: center;
  padding: 1.5rem;
}

.result-content {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  animation: result-enter 600ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes result-enter {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-icon {
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.result-icon svg {
  width: 100%;
  height: 100%;
}

.result-icon-burn {
  background: var(--ember-20);
  box-shadow: 0 0 40px var(--ember-30);
  animation: burn-glow 2s ease-in-out infinite;
}

@keyframes burn-glow {
  0%, 100% { box-shadow: 0 0 30px var(--ember-20); }
  50% { box-shadow: 0 0 55px var(--ember-30); }
}

.result-icon-pizza {
  background: var(--gold-20);
  box-shadow: 0 0 40px var(--gold-30);
  animation: pizza-glow 2s ease-in-out infinite;
}

@keyframes pizza-glow {
  0%, 100% { box-shadow: 0 0 30px var(--gold-20); }
  50% { box-shadow: 0 0 55px var(--gold-30); }
}

.result-title {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 400;
  line-height: 1.2;
  margin: 0;
  color: var(--cream);
}

.result-body {
  font-size: 1rem;
  color: var(--cream-60);
  margin: 0;
}

.result-reward-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

.prize-card {
  width: 100%;
  padding: 1.5rem;
  background: var(--charcoal);
  border: 1px solid var(--cream-10);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.prize-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--cream);
  margin: 0;
}

.prize-code {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding: 0.75rem 1rem;
  background: var(--black);
  border: 1px dashed var(--gold-30);
  border-radius: var(--radius-md);
  font-variant-numeric: tabular-nums;
}

.prize-instructions {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--cream-40);
  margin: 0;
}

.result-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.result-actions .btn-secondary svg {
  width: 16px;
  height: 16px;
}

/* ═══════════════════════════════════════
   UTILITIES
═══════════════════════════════════════ */

.hidden {
  display: none !important;
}

/* Tile pop animation on reveal */
.tile.is-revealed {
  animation: tile-pop 250ms ease forwards;
}

@keyframes tile-pop {
  0% { transform: scale(0.85); opacity: 0.6; }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

/* Empty tile subtle styling */
.tile.is-revealed:not(.is-mine):not(.tile-number) {
  background: var(--charcoal-2);
}