/* ============================================
   FLAG IT — Styles
   ============================================ */

:root {
  --green: #00FF87;
  --green-dim: #00CC6A;
  --green-glow: rgba(0, 255, 135, 0.3);
  --red: #FF3B5C;
  --red-dim: #CC2F4A;
  --red-glow: rgba(255, 59, 92, 0.3);
  --dark: #0C0C0E;
  --dark-card: #141416;
  --dark-elevated: #1A1A1E;
  --dark-border: #2A2A2E;
  --gray: #8A8A8E;
  --light: #F0EDE8;
  --white: #FAFAF8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--dark);
  color: var(--light);
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
}

/* ============================================
   APP SHELL
   ============================================ */

#app {
  width: 100%;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* ============================================
   SCREENS
   ============================================ */

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
  transform: translateY(12px);
}

.screen.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  z-index: 10;
}

/* ============================================
   CONFETTI CANVAS
   ============================================ */

#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

/* ============================================
   SPLASH SCREEN
   ============================================ */

#screen-splash {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  background: var(--dark);
  overflow: hidden;
}

.splash-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.splash-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: orbFloat 8s ease-in-out infinite;
}

.splash-orb.green {
  width: 300px;
  height: 300px;
  background: var(--green);
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.splash-orb.red {
  width: 250px;
  height: 250px;
  background: var(--red);
  bottom: 15%;
  right: -5%;
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.splash-content {
  position: relative;
  z-index: 2;
}

.splash-flags {
  font-size: 48px;
  margin-bottom: 24px;
  animation: flagBounce 2s ease-in-out infinite;
}

@keyframes flagBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.splash-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -2px;
  margin-bottom: 12px;
}

.splash-logo .green { color: var(--green); }
.splash-logo .red { color: var(--red); }

.splash-tagline {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 48px;
  line-height: 1.5;
}

#btn-start {
  background: var(--green);
  color: var(--dark);
  border: none;
  padding: 18px 56px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  border-radius: 60px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 0 40px var(--green-glow);
  letter-spacing: -0.5px;
}

#btn-start:hover {
  transform: scale(1.05);
  box-shadow: 0 0 60px var(--green-glow);
}

#btn-start:active {
  transform: scale(0.97);
}

.splash-hint {
  margin-top: 32px;
  font-size: 13px;
  color: #555;
}

/* ============================================
   CATEGORY SCREEN
   ============================================ */

#screen-categories {
  padding: 24px;
}

.categories-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.back-btn {
  background: var(--dark-elevated);
  border: 1px solid var(--dark-border);
  color: var(--light);
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.back-btn:hover {
  background: var(--dark-border);
}

.categories-title {
  flex: 1;
}

.categories-title h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
}

.categories-title p {
  font-size: 14px;
  color: var(--gray);
  margin-top: 4px;
}

.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  flex: 1;
  align-content: start;
  padding-top: 8px;
}

.category-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 20px;
  padding: 28px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all 0.2s ease;
  text-align: left;
  color: var(--light);
  font-family: inherit;
  font-size: 16px;
}

.category-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.category-card:active {
  transform: scale(0.98);
}

.category-emoji {
  font-size: 40px;
  flex-shrink: 0;
}

.category-info h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.category-info p {
  font-size: 14px;
  color: var(--gray);
}

/* ============================================
   QUIZ SCREEN
   ============================================ */

#screen-quiz {
  padding: 16px 24px 24px;
}

.quiz-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.quiz-header .back-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 14px;
}

.quiz-meta {
  flex: 1;
}

#quiz-category-label {
  font-size: 13px;
  color: var(--gray);
  font-weight: 500;
}

.progress-container {
  margin-bottom: 20px;
}

.progress-bar-track {
  width: 100%;
  height: 6px;
  background: var(--dark-elevated);
  border-radius: 3px;
  overflow: hidden;
}

#progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--green-dim));
  border-radius: 3px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
}

#progress-text {
  font-size: 13px;
  color: var(--gray);
  text-align: right;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}

/* Card Container */
#card-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 0;
  touch-action: pan-y;
}

.card-stack {
  position: relative;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 3/4;
}

/* Quiz Card */
.quiz-card {
  position: absolute;
  inset: 0;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  text-align: center;
  will-change: transform;
  cursor: grab;
}

.quiz-card:active {
  cursor: grabbing;
}

.quiz-card.next-card {
  transform: scale(0.92) translateY(16px);
  opacity: 0.5;
  z-index: 1;
  pointer-events: none;
}

.quiz-card.current-card {
  z-index: 5;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card-overlay {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
}

.card-overlay-green {
  background: rgba(0, 255, 135, 0.12);
  border: 2px solid var(--green);
}

.card-overlay-red {
  background: rgba(255, 59, 92, 0.12);
  border: 2px solid var(--red);
}

.card-content {
  position: relative;
  z-index: 2;
}

.card-emoji {
  font-size: 72px;
  margin-bottom: 24px;
}

.card-text {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--white);
  max-width: 280px;
}

.card-enter {
  animation: cardEnter 0.3s ease forwards;
}

@keyframes cardEnter {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Swipe hint */
.swipe-hint {
  text-align: center;
  font-size: 12px;
  color: #444;
  margin-top: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Flag Buttons */
.flag-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 20px 0 12px;
}

.flag-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid var(--dark-border);
  background: var(--dark-card);
  font-size: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.flag-btn:hover {
  transform: scale(1.1);
}

.flag-btn:active {
  transform: scale(0.92);
}

#btn-red:hover, #btn-red.btn-flash {
  border-color: var(--red);
  box-shadow: 0 0 24px var(--red-glow);
  background: rgba(255, 59, 92, 0.1);
}

#btn-green:hover, #btn-green.btn-flash {
  border-color: var(--green);
  box-shadow: 0 0 24px var(--green-glow);
  background: rgba(0, 255, 135, 0.1);
}

.btn-flash {
  animation: btnFlash 0.3s ease;
}

@keyframes btnFlash {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ============================================
   RESULTS SCREEN
   ============================================ */

#screen-results {
  padding: 24px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.results-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  padding-bottom: 40px;
}

.results-header {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.revealed .results-header {
  opacity: 1;
  transform: translateY(0);
}

#result-emoji {
  font-size: 80px;
  margin-bottom: 8px;
}

#result-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

#result-desc {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.5;
  max-width: 340px;
}

/* Ratio Bar */
.ratio-section {
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.15s;
}

.revealed .ratio-section {
  opacity: 1;
  transform: translateY(0);
}

.ratio-bar {
  display: flex;
  width: 100%;
  height: 40px;
  border-radius: 20px;
  overflow: hidden;
  background: var(--dark-elevated);
}

#ratio-green {
  background: var(--green);
  height: 100%;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

#ratio-red {
  background: var(--red);
  height: 100%;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.ratio-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
}

#green-count {
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
}

#red-count {
  font-size: 15px;
  font-weight: 600;
  color: var(--red);
}

/* Spicy Picks */
.spicy-section {
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}

.revealed .spicy-section {
  opacity: 1;
  transform: translateY(0);
}

.spicy-section h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  text-align: left;
}

.spicy-pick {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  margin-bottom: 8px;
  text-align: left;
}

.spicy-pick.green {
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.15);
}

.spicy-pick.red {
  background: rgba(255, 59, 92, 0.08);
  border: 1px solid rgba(255, 59, 92, 0.15);
}

.pick-flag {
  font-size: 20px;
  flex-shrink: 0;
}

.pick-text {
  font-size: 15px;
  color: var(--light);
  line-height: 1.4;
}

/* Story Preview */
#story-preview {
  width: 180px;
  height: 320px;
  background-size: cover;
  background-position: center;
  border-radius: 16px;
  border: 1px solid var(--dark-border);
  display: none;
  margin: 8px 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

#story-canvas {
  display: none;
}

/* Result Action Buttons */
.results-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.45s;
}

.revealed .results-actions {
  opacity: 1;
  transform: translateY(0);
}

.action-btn {
  width: 100%;
  padding: 16px 24px;
  border-radius: 16px;
  border: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.15s ease;
}

.action-btn:active {
  transform: scale(0.97);
}

#btn-download {
  background: var(--green);
  color: var(--dark);
}

#btn-download:hover {
  box-shadow: 0 0 30px var(--green-glow);
}

#btn-share {
  background: var(--dark-elevated);
  color: var(--light);
  border: 1px solid var(--dark-border);
  display: none;
}

#btn-share:hover {
  border-color: var(--green);
}

#btn-play-again {
  background: var(--dark-elevated);
  color: var(--light);
  border: 1px solid var(--dark-border);
}

#btn-play-again:hover {
  border-color: var(--green);
}

/* ============================================
   TOAST
   ============================================ */

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--dark-elevated);
  color: var(--light);
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 14px;
  border: 1px solid var(--dark-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 200;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   DESKTOP
   ============================================ */

@media (min-width: 481px) {
  #app {
    max-width: 420px;
    height: 100vh;
    border-left: 1px solid var(--dark-border);
    border-right: 1px solid var(--dark-border);
  }

  body {
    background: #080808;
  }

  .category-grid {
    grid-template-columns: 1fr 1fr;
  }

  .card-stack {
    max-width: 320px;
  }
}

/* ============================================
   SMALL PHONES
   ============================================ */

@media (max-height: 700px) {
  .splash-flags {
    font-size: 36px;
    margin-bottom: 16px;
  }

  .splash-logo {
    font-size: 42px;
  }

  .splash-tagline {
    font-size: 15px;
    margin-bottom: 32px;
  }

  .card-emoji {
    font-size: 56px;
    margin-bottom: 16px;
  }

  .card-text {
    font-size: 18px;
  }

  .flag-btn {
    width: 60px;
    height: 60px;
    font-size: 26px;
  }

  .card-stack {
    max-width: 280px;
  }

  #result-emoji {
    font-size: 56px;
  }

  #result-label {
    font-size: 28px;
  }
}

/* Safe area insets for notched phones */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .flag-controls {
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }

  .results-actions {
    padding-bottom: env(safe-area-inset-bottom);
  }
}