/* =========================================================
   AzkaCraft — style.css
   All styling: Colorful/Pastel themes, Fredoka font, storybook
   UI, sticker book, page-flip animation, Brain Rest cat.
   ========================================================= */

:root {
  --brand: #1266d8;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --shadow-soft: 0 8px 24px rgba(60, 40, 10, 0.12);
  --font: 'Fredoka', sans-serif;
}

/* ---------- Colorful theme (default) ---------- */
body[data-theme="colorful"] {
  --bg-1: #fff3d6;
  --bg-2: #ffd9a0;
  --paper: #fffaf0;
  --ink: #4a3520;
  --accent-1: #ff8a5c;
  --accent-2: #ffd166;
  --accent-3: #06d6a0;
  --accent-4: #ff5f7e;
  --card-border: #e8c98a;
}

/* ---------- Pastel theme ---------- */
body[data-theme="pastel"] {
  --bg-1: #eaf2fb;
  --bg-2: #f7e9f5;
  --paper: #fdfbff;
  --ink: #4a4560;
  --accent-1: #a7c7e7;
  --accent-2: #f6c6d9;
  --accent-3: #b6e2d3;
  --accent-4: #d9c5f0;
  --card-border: #dfe6f2;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(160deg, var(--bg-1), var(--bg-2));
  background-attachment: fixed;
  overflow-x: hidden;
}

/* subtle paper-texture feel via layered radial gradients */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.35) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.25) 0, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.08) 0, transparent 70%);
  z-index: 0;
}

button {
  font-family: var(--font);
  cursor: pointer;
}

.screen {
  display: none;
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 24px 20px 40px;
  animation: fadeIn 0.35s ease;
}
.screen.active { display: block; }

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

/* ---------- Buttons ---------- */
.btn {
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-primary { background: var(--brand); color: white; }
.btn-secondary { background: var(--accent-2); color: var(--ink); }

.btn-big {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 22px;
  width: 100%;
  max-width: 320px;
}
.btn-big .btn-icon { font-size: 2.2rem; }
.btn-big small { font-weight: 400; opacity: 0.8; }

.btn-back {
  background: var(--paper);
  border: 2px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 600;
  color: var(--ink);
}
.btn-back-inline {
  background: var(--accent-4);
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  color: white;
  font-weight: 600;
  margin-top: 10px;
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--paper);
  border: 2px solid var(--card-border);
  border-radius: 50%;
  width: 46px;
  height: 46px;
  font-size: 1.3rem;
  box-shadow: var(--shadow-soft);
}

/* ---------- Landing ---------- */
.landing-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 30px;
  max-width: 480px;
  margin: 0 auto;
}
.mascot-svg { width: 160px; height: 160px; }
.mascot-wave { animation: wave 2.6s ease-in-out infinite; }
@keyframes wave {
  0%, 100% { transform: rotate(-2deg); }
  50% { transform: rotate(3deg); }
}
.game-title {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--brand);
  margin: 8px 0 0;
  text-shadow: 2px 2px 0 rgba(255,255,255,0.6);
}
.game-subtitle { margin: 4px 0 28px; font-size: 1.05rem; opacity: 0.85; }

.mode-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  align-items: center;
}

/* ---------- Multiplayer setup ---------- */
.panel-content {
  max-width: 480px;
  margin: 60px auto 0;
  background: var(--paper);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  border: 2px solid var(--card-border);
}
.panel-content h2 { color: var(--brand); margin-top: 0; }

.mp-choice { display: flex; gap: 12px; margin-bottom: 20px; }
.mp-choice .btn { flex: 1; }

.mp-panel.hidden, .hidden { display: none !important; }

.chapter-select, .join-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--card-border);
  font-family: var(--font);
  font-size: 1rem;
  margin: 10px 0;
  background: white;
}
.join-input { text-align: center; letter-spacing: 4px; font-weight: 700; text-transform: uppercase; }

.mp-host-result { text-align: center; margin-top: 16px; }
.pairing-code {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--brand);
  background: var(--bg-1);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 12px;
}
.qr-box { display: flex; justify-content: center; margin-bottom: 12px; }
.mp-waiting { opacity: 0.75; font-style: italic; }
.mp-error { color: #d1443c; font-weight: 600; }

.scan-box { text-align: center; margin-top: 12px; }
.scan-box video { width: 100%; max-width: 320px; border-radius: var(--radius-md); border: 3px solid var(--brand); }

/* ---------- Quest Map / Bookshelf ---------- */
.map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto 12px;
}
.xp-bar-wrap { font-weight: 700; color: var(--brand); }
.btn-stickers {
  background: var(--accent-3);
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 600;
}
.map-title {
  text-align: center;
  color: var(--brand);
  margin: 10px 0 24px;
}

.bookshelf {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.chapter-book {
  background: var(--paper);
  border-radius: var(--radius-md);
  border: 3px solid var(--card-border);
  box-shadow: var(--shadow-soft);
  padding: 18px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s ease;
}
.chapter-book.unlocked { cursor: pointer; }
.chapter-book.unlocked:hover { transform: translateY(-4px) rotate(-1deg); }
.chapter-book.locked { opacity: 0.55; filter: grayscale(0.6); cursor: not-allowed; }
.chapter-book .book-icon { font-size: 2.6rem; }
.chapter-book .book-title { font-weight: 600; font-size: 0.95rem; }
.chapter-book .book-stars { color: var(--accent-2); font-size: 1rem; }
.chapter-book .book-topic {
  font-size: 0.75rem;
  background: var(--bg-1);
  border-radius: 999px;
  padding: 2px 10px;
  color: var(--ink);
  opacity: 0.8;
}

/* Page flip transition */
.page-flip {
  animation: pageFlip 0.5s ease;
}
@keyframes pageFlip {
  0% { transform: perspective(1200px) rotateY(-90deg); opacity: 0; }
  100% { transform: perspective(1200px) rotateY(0deg); opacity: 1; }
}

/* ---------- Sticker book ---------- */
.sticker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.sticker-slot {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  border: 3px dashed var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  background: var(--bg-1);
}
.sticker-slot.earned {
  border-style: solid;
  border-color: var(--brand);
  background: white;
  box-shadow: var(--shadow-soft);
  animation: stickerPop 0.4s ease;
}
@keyframes stickerPop {
  0% { transform: scale(0.4) rotate(-10deg); opacity: 0; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

/* ---------- Game screen ---------- */
.game-header {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 700px;
  margin: 0 auto 10px;
}
.progress-track {
  flex: 1;
  height: 14px;
  background: var(--paper);
  border-radius: 999px;
  border: 2px solid var(--card-border);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brand), var(--accent-3));
  transition: width 0.4s ease;
}
.score-chip {
  background: var(--accent-2);
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 700;
  white-space: nowrap;
}

.story-snippet {
  max-width: 700px;
  margin: 20px auto 18px;
  background: var(--paper);
  border-left: 6px solid var(--brand);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-style: italic;
  box-shadow: var(--shadow-soft);
}

.question-area {
  max-width: 700px;
  margin: 0 auto;
  background: var(--paper);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-soft);
  border: 2px solid var(--card-border);
}

.question-prompt {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--ink);
}

/* MC options */
.options-grid { display: grid; gap: 12px; }
.option-btn {
  background: var(--bg-1);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
}
.option-btn:hover { border-color: var(--brand); }
.option-btn.selected-correct { background: #d4f7dc; border-color: #34a853; }
.option-btn.selected-wrong { background: #fde0df; border-color: #d1443c; }
.option-btn.reveal-correct { background: #d4f7dc; border-color: #34a853; animation: pulse 0.6s ease; }
.option-btn[disabled] { cursor: default; }
@keyframes pulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

/* Fill-in-the-blank */
.fill-form { display: flex; flex-direction: column; gap: 14px; }
.fill-input {
  padding: 14px;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--card-border);
  font-family: var(--font);
}
.fill-input.wrong { border-color: #d1443c; }
.fill-input.correct { border-color: #34a853; }
.fill-correction {
  background: #d4f7dc;
  border: 2px solid #34a853;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-weight: 600;
  color: #1c6b34;
  margin: 4px 0 28px;
}

/* Matching */
.match-grid { display: flex; flex-direction: column; gap: 12px; }
.match-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  background: var(--bg-1);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  border: 2px solid var(--card-border);
}
.match-row .match-left { font-weight: 600; }
.match-row select {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--card-border);
  font-family: var(--font);
}
.match-row.row-correct { border-color: #34a853; background: #d4f7dc; }
.match-row.row-wrong { border-color: #d1443c; background: #fde0df; }
.match-row .row-correction { grid-column: 1 / -1; font-weight: 600; color: #1c6b34; }

/* Flashcard */
.flashcard {
  text-align: center;
  padding: 20px;
}
.flashcard-word { font-size: 1.8rem; font-weight: 700; color: var(--brand); margin-bottom: 8px; }
.flashcard-def { font-size: 1.05rem; margin-bottom: 10px; }
.flashcard-example { font-style: italic; opacity: 0.8; margin-bottom: 18px; }

/* Sentence builder */
.sb-target {
  min-height: 56px;
  border: 2px dashed var(--card-border);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  background: var(--bg-1);
}
.sb-bank { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.sb-word {
  background: white;
  border: 2px solid var(--brand);
  color: var(--brand);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 600;
}
.sb-target .sb-word { background: var(--brand); color: white; }

/* Craft match (art) reuses match styles with extra icon */
.craft-icon { font-size: 1.4rem; margin-right: 6px; }

.next-hint { text-align: center; margin-top: 16px; opacity: 0.7; font-size: 0.9rem; }

/* ---------- Brain Rest ---------- */
.brainrest-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 60px;
}
.cat-svg { width: 200px; height: 200px; }
.cat-wiggle { animation: wiggle 1.4s ease-in-out infinite; }
@keyframes wiggle {
  0%, 100% { transform: rotate(-4deg); }
  50% { transform: rotate(4deg); }
}
.brainrest-title { color: var(--brand); font-size: 2rem; margin: 14px 0 4px; }
.brainrest-sub { opacity: 0.8; margin-bottom: 18px; }
.brainrest-timer {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent-1);
  margin-bottom: 20px;
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .game-title { font-size: 2.1rem; }
  .panel-content { padding: 20px; margin-top: 40px; }
  .match-row { grid-template-columns: 1fr; text-align: center; }
}