/* ═══════════════════════════════════════════════════════════════
   BATANG SSES – app.css  v2.0
   Design System: Deep-sea lab + warm gold rewards
   Fonts: Fredoka One (headings), Nunito (body)
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Nunito:wght@400;600;700;800&display=swap');

/* ── CSS Variables ──────────────────────────────────────────────────── */
:root {
  --bg-deep:    #0D1B2A;
  --bg-mid:     #1A3A5C;
  --bg-card:    #152A40;
  --accent-gold: #F6AE2D;
  --accent-blue: #2E86AB;
  --accent-green:#3BB273;
  --accent-red:  #E84855;
  --text-white:  #F0F4F8;
  --text-muted:  #8BAEC8;
  --radius-xl:   24px;
  --radius-lg:   16px;
  --shadow:      0 8px 32px rgba(0,0,0,0.5);
  --tap-min:     52px;   /* minimum tap target: 48dp + 4 safety */
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text-white);
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ── Layout Shell ───────────────────────────────────────────────────── */
#app {
  display: grid;
  grid-template-rows: 1fr auto;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
}

#screen-wrapper {
  position: relative;
  overflow: hidden;
  flex: 1;
}

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem;
  animation: fadeIn 0.3s ease;
}
.screen[hidden] { display: none !important; }

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1);    }
}

/* ── Navigation Bar ─────────────────────────────────────────────────── */
#main-nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: var(--bg-card);
  border-top: 2px solid var(--accent-blue);
  padding: 0.4rem 0;
  z-index: 100;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.7rem;
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  display: flex; align-items: center; justify-content: center;
}
.nav-btn:active { background: var(--accent-blue)22; transform: scale(0.9); }

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn-mega {
  display: block;
  width: 100%;
  max-width: 400px;
  margin: 1rem auto 0;
  padding: 1rem 1.5rem;
  background: var(--accent-gold);
  color: var(--bg-deep);
  border: none;
  border-radius: 50px;
  font-family: 'Fredoka One', sans-serif;
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(246,174,45,0.45);
  transition: transform 0.12s, box-shadow 0.12s;
  min-height: var(--tap-min);
}
.btn-mega:active { transform: scale(0.95); box-shadow: 0 2px 8px rgba(246,174,45,0.3); }

.btn-small {
  padding: 0.6rem 1.2rem;
  background: var(--bg-mid);
  color: var(--text-white);
  border: 2px solid var(--accent-blue);
  border-radius: 50px;
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  min-height: var(--tap-min);
  transition: background 0.15s;
}
.btn-small:active { background: var(--accent-blue); }

/* ── Lab Dashboard ──────────────────────────────────────────────────── */
#screen-lab {
  background: radial-gradient(ellipse at 30% 20%, #1A4060 0%, var(--bg-deep) 70%);
}

#lab-header {
  text-align: center;
  padding: 0.5rem 0;
}
#lab-header h1 {
  font-family: 'Fredoka One', sans-serif;
  font-size: clamp(1.4rem, 5vw, 2.2rem);
  color: var(--accent-gold);
  text-shadow: 0 2px 12px rgba(246,174,45,0.4);
}
#lab-header p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

#lab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  padding: 0.5rem 0;
  flex: 1;
}

.quarter-door {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-mid) 100%);
  border: 2px solid var(--q-color, var(--accent-blue));
  border-radius: var(--radius-xl);
  padding: 1rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
  min-height: var(--tap-min);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}
.quarter-door::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--q-color, var(--accent-blue));
  opacity: 0;
  transition: opacity 0.15s;
}
.quarter-door:active::before { opacity: 0.12; }
.quarter-door:active { transform: scale(0.96); }

.q-icon { font-size: clamp(1.8rem, 6vw, 2.8rem); }
.q-title {
  font-family: 'Fredoka One', sans-serif;
  font-size: clamp(0.75rem, 2.5vw, 1rem);
  color: var(--q-color, var(--accent-blue));
  text-align: center;
}
.q-subtitle { font-size: 0.7rem; color: var(--text-muted); }

.q-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.12);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 0.3rem;
}
.q-fill {
  height: 100%;
  background: var(--q-color, var(--accent-blue));
  border-radius: 3px;
  transition: width 0.6s ease;
}
.q-pct { font-size: 0.65rem; color: var(--text-muted); }

/* Lab avatar */
#lab-avatar {
  text-align: center;
  padding: 0.5rem;
}
.avatar-figure {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.06);
}
.avatar-coat { font-size: 1.6rem; }
.avatar-name {
  font-family: 'Fredoka One', sans-serif;
  font-size: 0.9rem;
  color: var(--accent-gold);
}

/* ── Daily Quest Screen ─────────────────────────────────────────────── */
#screen-daily-quest {
  background: radial-gradient(ellipse at 50% 0%, #1B3060 0%, var(--bg-deep) 70%);
  align-items: center;
  justify-content: center;
}

.quest-card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-mid));
  border: 2px solid var(--q-color, var(--accent-blue));
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow);
}
.quest-time-badge {
  display: inline-block;
  background: var(--q-color, var(--accent-blue));
  color: #fff;
  border-radius: 50px;
  padding: 0.25rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.quest-title {
  font-family: 'Fredoka One', sans-serif;
  font-size: clamp(1.3rem, 5vw, 1.9rem);
  color: var(--text-white);
  margin-bottom: 0.4rem;
}
.quest-week { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.75rem; }

.quest-objectives { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.obj-chip {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
}

/* ── Module / Game Screen ───────────────────────────────────────────── */
#screen-module {
  padding: 0;
  background: #000;
}

#game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: var(--bg-card);
  z-index: 10;
}
#game-header .back-btn {
  background: none; border: none; color: var(--accent-gold);
  font-size: 1.5rem; cursor: pointer; min-width: var(--tap-min); min-height: var(--tap-min);
  border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center;
}
#game-title {
  font-family: 'Fredoka One', sans-serif;
  font-size: 1rem;
  color: var(--accent-gold);
}

#game-canvas {
  display: block;
  width: 100%;
  flex: 1;
  min-height: 0;
  touch-action: none;
}

/* ── Victory Screen ─────────────────────────────────────────────────── */
#screen-victory {
  background: radial-gradient(ellipse at 50% 30%, #2A1F00 0%, var(--bg-deep) 70%);
  align-items: center;
  justify-content: center;
  text-align: center;
}
#victory-content { width: 100%; max-width: 420px; padding: 1rem; }
.victory-stars { font-size: clamp(2rem, 8vw, 3rem); letter-spacing: 0.2em; }
.victory-score {
  font-family: 'Fredoka One', sans-serif;
  font-size: clamp(3.5rem, 14vw, 6rem);
  color: var(--accent-gold);
  text-shadow: 0 0 30px rgba(246,174,45,0.6);
}
.victory-msg { font-size: 1.1rem; color: var(--text-white); margin: 0.5rem 0; }
.badge-earned {
  font-size: 1.4rem;
  color: var(--accent-gold);
  font-family: 'Fredoka One', sans-serif;
  margin: 0.75rem 0;
  animation: pulse 0.8s infinite alternate;
}
@keyframes pulse { from { transform: scale(1); } to { transform: scale(1.08); } }

#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
}

/* ── Progress Screen ────────────────────────────────────────────────── */
#screen-progress {
  background: radial-gradient(ellipse at 50% 0%, #102A1C 0%, var(--bg-deep) 70%);
}
#progress-content { width: 100%; max-width: 500px; margin: 0 auto; }
.progress-header {
  text-align: center;
  padding: 1rem 0;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  margin-bottom: 1rem;
  padding: 1.5rem;
}
.progress-big {
  font-family: 'Fredoka One', sans-serif;
  font-size: clamp(2rem, 10vw, 3.5rem);
  color: var(--accent-gold);
}
.master-bar {
  width: 100%; height: 12px;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  overflow: hidden;
  margin: 0.5rem 0;
}
.master-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
  border-radius: 6px;
  transition: width 1s ease;
}
.exit-criteria { margin-bottom: 1rem; }
.exit-criteria h3 {
  font-family: 'Fredoka One', sans-serif;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}
.crit-item {
  background: var(--bg-card);
  border-left: 4px solid var(--accent-red);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  transition: border-color 0.3s;
}
.crit-item.pass { border-left-color: var(--accent-green); }

/* ── Avatar Creator ─────────────────────────────────────────────────── */
#screen-avatar-creator {
  background: radial-gradient(ellipse at 50% 20%, #2A0D5C 0%, var(--bg-deep) 70%);
  align-items: center;
}
#avatar-creator-content {
  width: 100%;
  max-width: 480px;
  text-align: center;
  padding: 1rem;
}
#avatar-creator-content h2 {
  font-family: 'Fredoka One', sans-serif;
  font-size: clamp(1.3rem, 5vw, 2rem);
  color: var(--accent-gold);
  margin-bottom: 1rem;
}
.avatar-preview {
  font-size: 5rem;
  margin: 0.5rem 0;
  animation: float 2s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0);    }
  50%      { transform: translateY(-10px);}
}
.avatar-options { text-align: left; margin: 1rem 0; }
.opt-group { margin-bottom: 1rem; }
.opt-group label {
  display: block;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.name-chips, .color-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.name-chip {
  background: var(--bg-card);
  border: 2px solid var(--accent-blue);
  color: var(--text-white);
  border-radius: 50px;
  padding: 0.5rem 1rem;
  font-family: 'Fredoka One', sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
  min-height: var(--tap-min);
  transition: all 0.15s;
}
.name-chip.selected, .name-chip:active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}
.color-chip {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}
.color-chip.selected, .color-chip:active {
  border-color: var(--accent-gold);
  transform: scale(1.15);
}

/* ── Break Overlay ──────────────────────────────────────────────────── */
#break-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.4s ease;
}
.break-card {
  text-align: center;
  background: var(--bg-card);
  border: 3px solid var(--accent-green);
  border-radius: var(--radius-xl);
  padding: 2rem;
  max-width: 360px;
  width: 90%;
  box-shadow: 0 0 60px rgba(59,178,115,0.3);
}
.break-emoji { font-size: 4rem; animation: bounce 1s infinite alternate; }
@keyframes bounce { from { transform: translateY(0); } to { transform: translateY(-12px); } }
.break-card h2 {
  font-family: 'Fredoka One', sans-serif;
  font-size: 2rem;
  color: var(--accent-green);
  margin: 0.5rem 0;
}
.break-card p { color: var(--text-muted); margin-bottom: 1rem; line-height: 1.5; }
.break-timer {
  font-family: 'Fredoka One', sans-serif;
  font-size: 3rem;
  color: var(--accent-gold);
}
.break-anim { font-size: 2rem; animation: float 1.5s ease-in-out infinite; }

/* ── Responsive: small screens ──────────────────────────────────────── */
@media (max-width: 360px) {
  #lab-grid { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  .q-icon   { font-size: 1.5rem; }
}

@media (min-width: 768px) and (orientation: landscape) {
  #lab-grid { grid-template-columns: repeat(4, 1fr); }
  .quest-card { padding: 2rem; }
}

/* ── Scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 2px; }