/* If Yo Cya Read — high-impact pixel game UI */

:root {
  --gold: #ffc400;
  --gold-light: #ffe875;
  --gold-dark: #bc6900;
  --orange: #f58a00;
  --brown: #4a3020;
  --brown-deep: #190d03;
  --brown-warm: #3d2108;
  --ink: #100902;
  --paper: #fff4cf;
  --paper-dim: #ead9a5;
  --shadow: 7px 7px 0 var(--ink);
  --font-display: "Pixelify Sans", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
  --pixel-corners: polygon(
    0 8px,
    8px 8px,
    8px 0,
    calc(100% - 8px) 0,
    calc(100% - 8px) 8px,
    100% 8px,
    100% calc(100% - 8px),
    calc(100% - 8px) calc(100% - 8px),
    calc(100% - 8px) 100%,
    8px 100%,
    8px calc(100% - 8px),
    0 calc(100% - 8px)
  );
  --accent-gradient: linear-gradient(
    90deg,
    var(--gold) 0%,
    var(--gold) 40%,
    var(--orange) 40%,
    var(--orange) 70%,
    var(--brown) 70%,
    var(--brown) 100%
  );
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  background: var(--brown-deep);
  color: var(--ink);
  overflow-x: hidden;
  image-rendering: pixelated;
}

/* ── Background layers ── */
.bg-leaf {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(16, 9, 2, 0.42), rgba(16, 9, 2, 0.78)),
    linear-gradient(90deg, rgba(255, 196, 0, 0.035) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(rgba(255, 196, 0, 0.035) 1px, transparent 1px) 0 0 / 24px 24px,
    conic-gradient(
      from 90deg at 50% 50%,
      #3a210b 0 25%,
      #311b09 0 50%,
      #38200a 0 75%,
      #2b1808 0
    ) 0 0 / 48px 48px;
  pointer-events: none;
  z-index: 0;
  image-rendering: pixelated;
}

.bg-leaf::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 16%, rgba(255, 196, 0, 0.12), transparent 45%);
  opacity: 1;
}

.bg-leaf::after {
  content: "";
  position: absolute;
  inset: -32px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' shape-rendering='crispEdges'%3E%3Crect x='8' y='8' width='4' height='4' fill='%23ffd21f'/%3E%3Crect x='24' y='24' width='4' height='4' fill='%23ff8c00'/%3E%3C/svg%3E")
    repeat;
  opacity: 0.035;
  animation: none;
  image-rendering: pixelated;
}

@keyframes pixelDrift {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(32px, 32px);
  }
}

.bg-floats {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: none;
}

.float-icon {
  position: absolute;
  bottom: -10%;
  font-family: monospace;
  font-size: 1.5rem;
  color: var(--gold);
  opacity: 0.18;
  text-shadow: 3px 3px 0 rgba(42, 22, 3, 0.8);
  animation: floatUp steps(18, end) infinite;
}

.float-1 {
  left: 12%;
  animation-duration: 19s;
  animation-delay: 0s;
}
.float-2 {
  left: 55%;
  animation-duration: 25s;
  animation-delay: 6s;
  font-size: 1.8rem;
}
.float-3 {
  left: 82%;
  animation-duration: 22s;
  animation-delay: 11s;
  font-size: 1.25rem;
}

@keyframes floatUp {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.14;
  }
  90% {
    opacity: 0.14;
  }
  100% {
    transform: translateY(-115vh) rotate(320deg);
    opacity: 0;
  }
}

.accent-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--accent-gradient);
  box-shadow: 0 4px 0 var(--ink);
  z-index: 100;
}

/* ── App shell ── */
.app {
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
  padding-top: calc(1.5rem + env(safe-area-inset-top));
  padding-bottom: calc(2rem + env(safe-area-inset-bottom));
}

.view {
  display: none;
  animation: pixelEnter 0.35s steps(5, end);
}

.view.active {
  display: block;
}

@keyframes pixelEnter {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Hero / Logo ── */
.hero {
  text-align: center;
  margin-bottom: 1.25rem;
}

.hero.compact {
  margin-bottom: 1rem;
}

.logo {
  width: min(380px, 94vw);
  height: auto;
  display: block;
  margin: 0 auto 0.75rem;
  filter: drop-shadow(6px 8px 0 rgba(16, 9, 2, 0.75));
  animation: logoFloat 2.8s steps(4, end) infinite;
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.logo-sm {
  width: min(120px, 32vw);
  animation: none;
  filter: drop-shadow(4px 5px 0 rgba(16, 9, 2, 0.75));
}

.tagline {
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0;
  line-height: 1.35;
  text-shadow: 3px 3px 0 var(--ink);
}

.script {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--gold);
}

.sub {
  color: rgba(251, 246, 234, 0.75);
  font-size: 1rem;
  margin: 0.25rem 0 0;
}

.sub.center {
  text-align: center;
}

.footer-note {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255, 232, 117, 0.7);
  text-shadow: 2px 2px 0 var(--ink);
}

/* ── Cards ── */
.card {
  position: relative;
  background: var(--paper);
  border: 4px solid var(--ink);
  border-radius: 0;
  box-shadow: var(--shadow);
  padding: 1.25rem;
  clip-path: var(--pixel-corners);
}

.card::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 2px dashed rgba(74, 48, 32, 0.24);
  pointer-events: none;
  clip-path: var(--pixel-corners);
}

.menu-card {
  padding-top: 2.3rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.7), transparent 45%),
    var(--paper);
}

.menu-label {
  position: absolute;
  top: 0.65rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--brown);
  text-transform: uppercase;
}

.menu-label span {
  height: 3px;
  flex: 1;
  background: repeating-linear-gradient(90deg, var(--brown) 0 8px, transparent 8px 12px);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* ── Typography ── */
.section-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.section-title.center {
  text-align: center;
  color: var(--paper);
  margin-bottom: 0;
  color: var(--gold-light);
  text-shadow: 4px 4px 0 var(--ink);
}

.text-green {
  color: #15803d;
}

/* ── Buttons ── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.85rem 1.25rem;
  border: 4px solid var(--ink);
  border-radius: 0;
  cursor: pointer;
  transition: transform 0.08s, box-shadow 0.08s, filter 0.08s;
  box-shadow: 5px 5px 0 var(--ink);
  width: 100%;
  clip-path: var(--pixel-corners);
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-top: 3px solid rgba(255, 255, 255, 0.45);
  border-left: 3px solid rgba(255, 255, 255, 0.25);
  border-bottom: 3px solid rgba(75, 37, 0, 0.28);
  pointer-events: none;
  clip-path: var(--pixel-corners);
}

.btn:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translate(-1px, -1px);
  box-shadow: 7px 7px 0 var(--ink);
}

.btn:active:not(:disabled) {
  transform: translate(5px, 5px);
  box-shadow: 0 0 0 var(--ink);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.15) 0 12%, transparent 12% 88%, rgba(129, 64, 0, 0.15) 88%),
    var(--gold);
  color: var(--ink);
}

.btn-secondary {
  background:
    repeating-linear-gradient(135deg, rgba(74, 48, 32, 0.04) 0 4px, transparent 4px 8px),
    var(--paper-dim);
  color: var(--ink);
}

.btn-lg {
  padding: 1.15rem 1.3rem;
  font-size: 1.15rem;
}

.btn-prompt {
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border: 3px solid var(--ink);
  background: rgba(255, 255, 255, 0.5);
  font-family: var(--font-body);
  font-size: 1rem;
  box-shadow: 2px 2px 0 rgba(16, 9, 2, 0.35);
}

/* ── Back button ── */
.btn-back {
  position: fixed;
  top: calc(0.75rem + env(safe-area-inset-top));
  left: 0.75rem;
  z-index: 150;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.45rem 0.7rem;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform 0.1s;
  clip-path: var(--pixel-corners);
}

.btn-back:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.hidden {
  display: none !important;
}

/* ── How to play ── */
.howto-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.howto-heading {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0.75rem 0 0.35rem;
}

.howto-heading:first-child {
  margin-top: 0;
}

.howto-text {
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0;
}

.howto-steps,
.howto-rules,
.howto-tips {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.howto-steps li,
.howto-rules li,
.howto-tips li {
  font-size: 1rem;
  line-height: 1.45;
}

/* ── Topic picker (scenario-card style) ── */
.topic-picker {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.topic-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  width: 100%;
  padding: 0.95rem 1rem 0.9rem 3.8rem;
  border: 4px solid var(--ink);
  border-radius: 0;
  background:
    repeating-linear-gradient(135deg, rgba(74, 48, 32, 0.035) 0 4px, transparent 4px 8px),
    #fffdf4;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--ink);
  text-align: left;
  transition: transform 0.1s, background 0.15s;
  font-family: inherit;
  color: var(--ink);
  clip-path: var(--pixel-corners);
  position: relative;
}

.topic-card:active:not(:disabled) {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--ink);
}

.topic-card.selected {
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.14) 0 4px, transparent 4px 8px),
    var(--gold);
  box-shadow: 0 0 0 3px var(--orange), 5px 5px 0 var(--ink);
  transform: translate(-1px, -1px);
}

.topic-card.selected::after {
  content: "▶";
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 0.75rem;
  animation: selectBlink 0.7s steps(2, end) infinite;
}

@keyframes selectBlink {
  50% {
    opacity: 0.25;
  }
}

.topic-card-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  font-size: 1.35rem;
  line-height: 1;
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: 2px 2px 0 rgba(16, 9, 2, 0.3);
}

.topic-card-name {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.topic-card-tagline {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(17, 17, 17, 0.7);
}

.topic-card-meta {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brown);
}

/* ── Personal bests ── */
.personal-bests {
  margin-top: 1rem;
  padding-top: 1.1rem;
}

.best-times-list {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.best-by {
  font-weight: 600;
  color: rgba(17, 17, 17, 0.55);
}

/* ── Forms ── */
.field-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brown);
}

.input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.85rem 1rem;
  border: 4px solid var(--ink);
  background: #fff;
  color: var(--ink);
  outline: none;
  clip-path: var(--pixel-corners);
  box-shadow: 3px 3px 0 var(--ink);
}

.input:focus {
  box-shadow: 0 0 0 3px var(--gold), 3px 3px 0 var(--ink);
}

.topic-chip {
  margin: 0;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--brown);
  background: rgba(255, 196, 0, 0.2);
  border: 3px solid var(--ink);
  padding: 0.55rem 0.75rem;
  clip-path: var(--pixel-corners);
}

/* ── Game HUD + stage ── */
.game-hud {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.hud-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--gold);
  border: 3px solid var(--ink);
  padding: 0.45rem 0.55rem;
  box-shadow: 3px 3px 0 var(--ink);
  clip-path: var(--pixel-corners);
}

.hud-pill:nth-child(2) {
  background: var(--paper);
}

.hud-fails {
  background: #ffb4a8;
}

.game-stage {
  text-align: center;
  padding-top: 1rem;
}

.teacher-sprite {
  width: min(150px, 38vw);
  height: auto;
  margin: 0 auto 0.5rem;
  display: block;
  image-rendering: pixelated;
  filter: drop-shadow(4px 5px 0 rgba(16, 9, 2, 0.55));
}

.teacher-sprite.hidden {
  display: none;
}

.round-verdict {
  margin: 0.35rem auto 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 12vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 4px 4px 0 rgba(16, 9, 2, 0.85);
  animation: verdictPop 0.45s steps(3, end);
}

.round-verdict.is-pass {
  color: #15803d;
}

.round-verdict.is-fail {
  color: #b91c1c;
}

@keyframes verdictPop {
  0% {
    opacity: 0;
    transform: scale(0.7) rotate(-4deg);
  }
  60% {
    opacity: 1;
    transform: scale(1.08) rotate(2deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

.game-topic-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--brown);
  margin: 0 0 0.35rem;
}

.game-status {
  font-size: 0.95rem;
  font-weight: 700;
  color: rgba(17, 17, 17, 0.7);
  margin: 0 0 1rem;
  min-height: 1.4em;
}

.sentence-board {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 0.45rem;
  margin: 0 auto 1.25rem;
  padding: 1rem 0.85rem;
  background: #1e3d2f;
  border: 4px solid var(--ink);
  box-shadow: inset 0 0 0 3px rgba(255, 196, 0, 0.2), 4px 4px 0 var(--ink);
  clip-path: var(--pixel-corners);
  min-height: 5.5rem;
  align-content: center;
}

.sentence-board .word {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 4.2vw, 1.35rem);
  font-weight: 800;
  color: rgba(255, 248, 231, 0.88);
  line-height: 1.35;
  padding: 0.1rem 0.15rem;
  border-bottom: 3px solid transparent;
  transition: color 0.12s, background 0.12s, border-color 0.12s;
}

.sentence-board .word.matched {
  color: #4ade80;
  border-bottom-color: #4ade80;
}

.sentence-board .word.current {
  color: var(--gold-light);
  background: rgba(255, 196, 0, 0.18);
  border-bottom-color: var(--gold);
  animation: currentPulse 0.8s steps(2, end) infinite;
}

.sentence-board .word.wrong {
  color: #fb7185;
  border-bottom-color: #fb7185;
}

@keyframes currentPulse {
  50% {
    opacity: 0.65;
  }
}

.game-actions {
  margin-top: 0.25rem;
}

.btn.listening {
  background: #ff8a7a;
  animation: micPulse 0.9s steps(2, end) infinite;
}

@keyframes micPulse {
  50% {
    filter: brightness(1.08);
  }
}

.speech-note {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  font-weight: 700;
  color: #9a3412;
  line-height: 1.4;
}

/* ── Result / certificate ── */
.result-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.result-teacher {
  width: 88px;
  height: auto;
  flex-shrink: 0;
  image-rendering: pixelated;
  filter: drop-shadow(3px 4px 0 rgba(16, 9, 2, 0.65));
}

.result-copy {
  min-width: 0;
  flex: 1;
}

.result-copy .section-title {
  margin: 0 0 0.2rem;
  font-size: clamp(1.35rem, 5.5vw, 1.85rem);
  text-align: left;
}

.result-copy .sub {
  margin: 0;
  text-align: left;
  font-size: 0.92rem;
  line-height: 1.35;
}

.result-card {
  align-items: stretch;
}

.certificate-canvas {
  display: none;
}

.certificate-preview {
  width: 100%;
  height: auto;
  border: 4px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  clip-path: var(--pixel-corners);
  background: #fff;
  opacity: 0;
  transition: opacity 0.2s;
}

.certificate-preview.ready {
  opacity: 1;
}

.result-stats {
  margin-top: 0.35rem;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--brown);
}

.best-note {
  color: #15803d;
  font-weight: 800;
}

@media (prefers-reduced-motion: reduce) {
  .bg-leaf::after,
  .float-icon,
  .logo,
  .view,
  .round-verdict,
  .sentence-board .word.current,
  .btn.listening,
  .topic-card.selected::after {
    animation: none;
  }
}