/* Monty's Memory Meadow — Design System */

/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --primary: #376457;
  --primary-container: #b7e7d7;
  --on-primary: #ccfdec;
  --on-primary-container: #29564a;

  --surface: #f3f7fb;
  --surface-container-low: #ecf1f6;
  --surface-container-lowest: #ffffff;
  --surface-container-high: #dde3e8;
  --surface-container-highest: #d7dee3;
  --surface-bright: #f3f7fb;

  --secondary-container: #e4d7fd;
  --on-secondary-container: #534968;
  --tertiary-container: #ffccbc;
  --on-tertiary-container: #664237;

  --on-surface: #2a2f32;
  --on-surface-variant: #575c60;
  --outline-variant: #a9aeb1;

  --font-headline: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;

  --radius-md: 0.75rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  --shadow-card: 0 4px 12px rgba(42, 47, 50, 0.06);
  --shadow-modal: 0 20px 40px rgba(42, 47, 50, 0.12);
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100vh; /* Fallback for browsers that do not support Custom Properties */
  height: 100dvh;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--on-surface);
  line-height: 1.5;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ─── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  letter-spacing: -0.02em;
  color: var(--on-surface);
}
h1 { font-size: clamp(1.25rem, 4vw, 2rem);   font-weight: 700; }
h2 { font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 600; }
h3 { font-size: clamp(1rem,   2.5vw, 1.25rem);font-weight: 600; }

/* ─── Loading Overlay ────────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20000;
  transition: opacity 0.5s ease-out, visibility 0.5s;
}
.loading-overlay.hidden { opacity: 0; visibility: hidden; }

.loader-content {
  text-align: center;
  color: var(--on-primary-container);
  padding: 2rem;
}

.loader-title {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  margin-bottom: 2rem;
  color: var(--primary);
}

.spinner {
  font-size: clamp(2.5rem, 8vw, 4rem);
  margin-bottom: 1rem;
  animation: rotateScale 1.5s ease-in-out infinite;
  display: inline-block;
}

@keyframes rotateScale {
  0%   { transform: scale(1)   rotate(0deg); }
  50%  { transform: scale(1.2) rotate(180deg); }
  100% { transform: scale(1)   rotate(360deg); }
}

.loader-content p {
  font-family: var(--font-headline);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: clamp(0.75rem, 2vw, 1rem);
}

/* ─── Header ─────────────────────────────────────────────────── */
.game-header {
  background: var(--surface-container-lowest);
  padding: clamp(0.75rem, 2vw, 1.5rem);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hide header in home/victory screens to favor the brand masthead/hero */
#main-header {
  display: none;
}

body[data-screen="game"] #game-container {
  max-width: 100vw;
  padding: 0.5rem;
  overflow: hidden; /* Force no scrolling in game mode */
}

.game-header h1 {
  color: var(--primary);
  text-align: center;
  white-space: nowrap;
}



/* ─── Main Container ─────────────────────────────────────────── */
#game-container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: clamp(0.75rem, 2vw, 1.5rem) clamp(1rem, 3vw, 2rem);
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}


/* ─── Screens ────────────────────────────────────────────────── */
.screen { display: none; animation: fadeIn 0.3s ease-out; height: 100%; }
.screen.active { display: flex; flex-direction: column; }
#home-screen.active, #victory-screen.active { justify-content: center; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Home Screen ────────────────────────────────────────────── */
.welcome-content {
  text-align: center;
  padding: clamp(1rem, 4vh, 3rem) clamp(1rem, 5vw, 3rem);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-brand {
  margin-bottom: clamp(1rem, 3vh, 2rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  animation: fadeInDown 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.hero-logo {
  width: clamp(2rem, 6vw, 3.5rem);
  height: clamp(2rem, 6vw, 3.5rem);
  color: var(--primary);
  filter: drop-shadow(0 4px 12px rgba(55, 100, 87, 0.2));
}

.hero-title {
  font-size: clamp(1.75rem, 6vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--on-primary-container), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--primary); /* fallback */
  text-shadow: 0 10px 30px rgba(55, 100, 87, 0.1);
}

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

.mascot-area {
  margin-bottom: clamp(1rem, 4vh, 2.5rem);
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

.mascot-image-wrapper {
  width: clamp(140px, 35vw, 280px);
  height: clamp(140px, 35vw, 280px);
  max-width: 35vh;
  max-height: 35vh;
  position: relative;
  z-index: 2;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation: float 4s ease-in-out infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Remove old square container styles */
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.mascot-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.1));
}

.mascot-glow {
  position: absolute;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, var(--primary-container) 0%, transparent 70%);
  opacity: 0.6;
  filter: blur(40px);
  z-index: 1;
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1);   opacity: 0.4; }
  50%       { transform: scale(1.1); opacity: 0.7; }
}

.welcome-content.mode-difficulty .mascot-image-wrapper {
  width: clamp(100px, 25vw, 150px);
  height: clamp(100px, 25vw, 150px);
  margin-bottom: 0.5rem;
}

.welcome-content.mode-difficulty .hero-brand {
  margin-bottom: 1rem;
}

.welcome-content.mode-difficulty .hero-title {
  font-size: clamp(1.25rem, 5vw, 2rem);
}

.hero-tagline {
  color: var(--on-surface-variant);
  margin-bottom: clamp(1.5rem, 4vh, 2.5rem);
  font-weight: 500;
  font-size: clamp(1rem, 3vw, 1.25rem);
  opacity: 0.9;
}


/* ─── Buttons ────────────────────────────────────────────────── */
.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.875rem 2rem;
  font-size: clamp(0.9rem, 2.5vw, 1.125rem);
  font-weight: 600;
  font-family: var(--font-headline);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn-primary:hover  { background: var(--on-primary-container); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--surface-container-high);
  color: var(--on-surface);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.5rem;
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-secondary:hover { background: var(--surface-container-highest); }

.btn-large {
  padding: 1rem 2.5rem;
  font-size: clamp(1rem, 3vw, 1.25rem);
}

/* ─── Difficulty Select ──────────────────────────────────────── */
.difficulty-select {
  margin-top: clamp(0.75rem, 2vh, 1.5rem);
  padding-top: clamp(0.75rem, 2vh, 1.5rem);
  border-top: 2px solid var(--surface-container-high);
}

.welcome-content.mode-difficulty h2 {
  font-size: clamp(1.25rem, 4vh, 1.75rem);
  margin-bottom: 0.5rem;
}

.difficulty-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* Vertical stack for mobile portrait difficulty buttons */
@media (max-width: 480px) and (orientation: portrait) {
  .difficulty-buttons {
    flex-direction: column;
    align-items: stretch;
    padding: 0 1rem;
  }
  .btn-difficulty {
    width: 100%;
    padding: 0.875rem 1.25rem;
  }
}

.btn-difficulty {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.625rem 1.25rem;
  font-size: clamp(0.8rem, 2vw, 1rem);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-difficulty:hover {
  background: var(--tertiary-container);
  color: var(--on-tertiary-container);
}

/* ─── Game Header Bar ────────────────────────────────────────── */
.game-header-bar {
  background: var(--surface-container-lowest);
  padding: clamp(0.625rem, 2vw, 1rem) clamp(0.75rem, 2vw, 1.5rem);
  border-radius: var(--radius-lg);
  margin-bottom: clamp(0.75rem, 2vw, 1.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.btn-back {
  background: var(--surface-container-high);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.4rem 0.875rem;
  font-size: clamp(0.8rem, 2vw, 1rem);
  cursor: pointer;
  transition: background 0.2s;
}
.btn-back:hover { background: var(--surface-container-highest); }

.game-stats {
  display: flex;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  font-family: var(--font-body);
  color: var(--on-surface-variant);
  font-size: clamp(0.8rem, 2vw, 1rem);
}
.game-stats strong { color: var(--primary); }

/* ─── Card Grid ──────────────────────────────────────────────── */
/*
 * Cards fill a fixed grid. Grid width is set via --grid-size,
 * calculated from the number of columns and a per-card size
 * that adapts to the viewport.
 *
 * iPhone SE  (375px) → card ~58px → easy ~188px, med ~252px, hard ~310px
 * iPhone 14  (390px) → card ~62px
 * iPad Mini  (768px) → card ~90px
 * Desktop   (1024px) → card ~110px
 */

.card-grid {
  display: grid;
  gap: clamp(3px, 1vw, 8px);
  padding: clamp(4px, 1vw, 10px);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  margin: 0 auto;
  width: fit-content;
}

.card-grid.landscape.easy   { grid-template-columns: repeat(3, clamp(80px, 20vw, 25vh)); }
.card-grid.landscape.medium { grid-template-columns: repeat(4, clamp(70px, 18vw, 18vh)); }
.card-grid.landscape.hard   { grid-template-columns: repeat(5, clamp(60px, 15vw, 14vh)); }

.card-grid.portrait.easy    { grid-template-columns: repeat(2, clamp(80px, 46vw, 17vh)); }
.card-grid.portrait.medium  { grid-template-columns: repeat(3, clamp(70px, 30vw, 14.5vh)); }
.card-grid.portrait.hard    { grid-template-columns: repeat(4, clamp(50px, 22.5vw, 14.5vh)); }

@media (orientation: landscape) and (max-height: 600px) {
  .card-grid { gap: 4px; padding: 4px; }
  .game-header-bar { margin-bottom: 0.5rem; padding: 0.5rem; }
  
  .card-grid.landscape.easy   { grid-template-columns: repeat(3, clamp(60px, 15vw, 25vh)); }
  .card-grid.landscape.medium { grid-template-columns: repeat(4, clamp(50px, 12vw, 20vh)); }
  .card-grid.landscape.hard   { grid-template-columns: repeat(5, clamp(40px, 10vw, 16vh)); }
}

/* Mobile Portrait Optimizations */
@media (max-width: 480px) and (orientation: portrait) {
  .game-header-bar {
    margin-bottom: 0.5rem;
    padding: 0.5rem 0.75rem;
  }
  .card-grid {
    gap: 6px;
    padding: 8px;
    border-radius: var(--radius-lg);
  }
  body[data-screen="game"] #game-container {
    padding: 0.25rem;
  }
}

/* Tablet & Desktop Scaling (iPad fixes) */
@media (min-width: 768px) {
  /* Game Grid Scaling */
  .card-grid.landscape.easy   { grid-template-columns: repeat(3, clamp(100px, 25vw, 26vh)); }
  .card-grid.landscape.medium { grid-template-columns: repeat(4, clamp(90px, 20vw, 19vh)); }
  .card-grid.landscape.hard   { grid-template-columns: repeat(5, clamp(80px, 18vw, 15vh)); }

  .card-grid.portrait.easy    { grid-template-columns: repeat(2, clamp(100px, 40vw, 17vh)); }
  .card-grid.portrait.medium  { grid-template-columns: repeat(3, clamp(90px, 28vw, 15vh)); }
  .card-grid.portrait.hard    { grid-template-columns: repeat(4, clamp(75px, 22vw, 13vh)); }

  /* Main Menu Scaling */
  .welcome-content, .victory-content {
    max-width: 700px;
    padding: clamp(1rem, 4vh, 2rem) clamp(2rem, 5vw, 3rem);
  }
  .mascot-image-wrapper {
    width: clamp(160px, 30vw, 30vh);
    height: clamp(160px, 30vw, 30vh);
    max-height: 30vh;
    transition: all 0.3s ease;
  }
  .welcome-content.mode-difficulty .mascot-image-wrapper {
    width: clamp(120px, 22vw, 22vh);
    height: clamp(120px, 22vw, 22vh);
    max-height: 22vh;
    margin-bottom: 1rem;
  }
  .hero-tagline {
    font-size: clamp(1.25rem, 4vh, 1.75rem);
    margin-bottom: clamp(1rem, 3vh, 2rem);
    transition: all 0.3s ease;
  }
  .welcome-content.mode-difficulty .hero-tagline {
    font-size: clamp(1rem, 3vh, 1.25rem);
    margin-bottom: 0.5rem;
  }
  .btn-large {
    padding: clamp(0.875rem, 2.5vh, 1.125rem) 3rem;
    font-size: clamp(1.1rem, 3.5vh, 1.35rem);
  }
  .difficulty-buttons {
    gap: 1rem;
    margin-top: clamp(0.75rem, 2vh, 1.5rem);
  }
  .btn-difficulty {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  aspect-ratio: 1;
  position: relative;
  cursor: pointer;
  perspective: 1000px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.card.flipped .card-inner,
.card.matched .card-inner {
  transform: rotateY(180deg);
}

.card.matched .card-inner {
  animation: matchPulse 0.5s ease-out forwards;
}

@keyframes matchPulse {
  0%, 100% { transform: rotateY(180deg) scale(1); }
  50%       { transform: rotateY(180deg) scale(1.08); }
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-container-lowest);
}

.card-back {
  background-image: url('../assets/cards/card-back.png');
  background-size: cover;
  background-position: center;
}

.card-front {
  background-color: #ffffff;
  transform: rotateY(180deg);
}

.card-front img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  background: #ffffff;
}

/* ─── Preview Screen ─────────────────────────────────────────── */
#preview-screen {
  background: var(--surface);
  text-align: center;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.preview-content {
  padding: 2rem;
  max-width: 600px;
  width: 100%;
}

.preview-title {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  color: var(--primary);
  margin-bottom: 2rem;
  animation: bounceIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.preview-scroll-container {
  width: 100%;
  height: clamp(120px, 30vh, 220px);
  height: clamp(200px, 45vh, 320px);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  box-shadow: inset 0 2px 15px rgba(0,0,0,0.06);
  overflow: hidden;
  position: relative;
  margin-bottom: 2rem;
  display: flex !important;
  align-items: center;
  justify-content: flex-start;
  padding: 0 2rem; 
}

.preview-scroll-track {
  display: flex !important;
  padding: 2rem 0;
  animation: scrollLeft var(--scroll-duration, 15s) linear infinite;
  animation-play-state: paused;
  white-space: nowrap;
  width: max-content !important; 
  min-width: 100%;
  align-items: center;
  flex-shrink: 0;
  will-change: transform;
  transform: translateZ(0); 
  backface-visibility: hidden;
}

.preview-scroll-track.is-animating {
  animation-play-state: running;
}

.preview-card-item {
  width: clamp(170px, 38vh, 270px);
  height: clamp(170px, 38vh, 270px);
  flex: 0 0 auto; 
  background: transparent; /* Artwork has its own background */
  border-radius: var(--radius-lg);
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  padding: 0; /* Remove padding to let artwork fill the space */
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
  margin-right: 2rem;
  will-change: transform;
  transform: translateZ(0); 
  backface-visibility: hidden;
}

.card-placeholder {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary);
}

.preview-card-item:hover {
  transform: scale(1.1) rotate(2deg);
  z-index: 10;
}

.preview-card-item img, .preview-card-item svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-33.33333%); }
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.preview-instruction {
  font-family: var(--font-headline);
  color: var(--on-surface-variant);
  margin-bottom: 2rem;
  font-weight: 500;
  font-size: 1.1rem;
}

.preview-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Victory Screen ─────────────────────────────────────────── */
.victory-content {
  text-align: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  max-width: min(900px, 95vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  max-height: 90vh;
  overflow-y: auto;
}

/* Side-by-side in landscape if height is limited */
@media (orientation: landscape) {
  .victory-content {
    flex-direction: row;
    text-align: left;
    padding: clamp(1rem, 2vw, 2rem);
  }
  
  .victory-image-wrapper {
    flex: 0 0 45%;
    margin-bottom: 0 !important;
  }
  
  .victory-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
  }
}

.victory-image-wrapper {
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: center;
  transform-origin: center;
  width: 100%;
}

.victory-image {
  width: 100%;
  max-width: clamp(200px, 40vw, 350px);
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(55, 100, 87, 0.2);
  animation: victoryPop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes victoryPop {
  0%   { transform: scale(0.6) translateY(30px); opacity: 0; }
  100% { transform: scale(1)   translateY(0);    opacity: 1; }
}

.stats-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.5rem, 1.5vw, 1rem);
  margin-bottom: 0.5rem;
  width: 100%;
}


.stat-card {
  background: var(--surface-container-high);
  padding: clamp(0.75rem, 2vw, 1.5rem) clamp(0.5rem, 1.5vw, 1rem);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: clamp(0.7rem, 1.5vw, 0.875rem);
  color: var(--on-surface-variant);
  font-family: var(--font-body);
}

.stat-value {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-headline);
}

.victory-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Install Prompt ─────────────────────────────────────────── */
.install-prompt {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-container-lowest);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  z-index: 9999;
  width: min(400px, 90vw);
  text-align: center;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.install-content h3 { margin-bottom: 0.5rem; color: var(--primary); }
.install-content p  { color: var(--on-surface-variant); margin-bottom: 1rem; }

.install-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

/* ─── Settings Modal ─────────────────────────────────────────── */
.settings-modal {
  border: none;
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 3vw, 2rem);
  max-width: 400px;
  width: 90%;
  background: var(--surface-container-lowest);
  box-shadow: var(--shadow-modal);
}
.settings-modal::backdrop {
  background: rgba(42, 47, 50, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content h2 { margin-bottom: 1.5rem; color: var(--primary); }

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--surface-container-high);
}
.setting-item:last-of-type { border-bottom: none; }
.setting-item label { font-weight: 500; color: var(--on-surface); }
.setting-item small {
  display: block;
  color: var(--on-surface-variant);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}
.setting-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

.modal-actions { margin-top: 1.5rem; text-align: center; }

.legal-links {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--surface-container-high);
  display: flex;
  gap: 1rem;
  justify-content: center;
  font-size: 0.875rem;
  flex-wrap: wrap;
}
.legal-links a { color: var(--on-surface-variant); text-decoration: none; }
.legal-links a:hover { color: var(--primary); }

/* ─── Footer ─────────────────────────────────────────────────── */
.game-footer {
  margin-top: auto;
  padding: clamp(0.75rem, 2vw, 1.5rem) clamp(1rem, 3vw, 2rem);
  background: var(--surface-container-low);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  flex-shrink: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

body[data-screen="game"] .game-footer {
  display: none;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-top {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.footer-links a, .footer-links .btn-link {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-links a:hover, .footer-links .btn-link:hover { color: var(--primary); }
.footer-links span { color: var(--outline-variant); user-select: none; }

.footer-copyright p {
  color: var(--on-surface-variant);
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.8;
}

/* ─── High Scores Screen ─────────────────────────────────────── */
.high-scores-content {
  text-align: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  max-width: min(600px, 95vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  max-height: 90vh;
  overflow-y: auto;
}

.screen-title {
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.difficulty-tabs {
  display: flex;
  gap: 0.5rem;
  background: var(--surface-container-high);
  padding: 0.4rem;
  border-radius: var(--radius-full);
  width: 100%;
}

.orientation-tabs {
  background: var(--surface-container-low);
  margin-top: -0.5rem; /* Tighter integration with main tabs */
}

.tab-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-btn.active {
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: 0 4px 12px rgba(55, 100, 87, 0.2);
}

.high-scores-list {
  width: 100%;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.scores-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.5rem;
}

.scores-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  color: var(--on-surface-variant);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.score-row {
  background: var(--surface-container-low);
  transition: transform 0.2s;
}

.score-row:hover {
  transform: scale(1.02);
  background: var(--surface-container-high);
}

.score-row td {
  padding: 1rem;
  font-family: var(--font-body);
  font-weight: 500;
}

.score-row td:first-child {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.score-row td:last-child {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.top-score {
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.top-score .rank-col {
  font-size: 1.25rem;
}

.empty-scores {
  padding: 3rem 1rem;
  color: var(--on-surface-variant);
}

.screen-actions {
  width: 100%;
  padding-top: 1rem;
  border-top: 1px solid var(--surface-container-high);
}

@media (max-width: 480px) {
  .scores-table th, .score-row td {
    padding: 0.75rem 0.5rem;
  }
}

/* ─── Legal / Support Buttons ────────────────────────────────── */
.btn-support {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-support:hover {
  background: var(--on-primary-container);
  transform: translateY(-2px);
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.btn-link:hover {
  color: var(--primary);
}

/* ─── Accessibility ──────────────────────────────────────────── */
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  :root { --primary: #000; --on-primary: #fff; }
}