/* Bug-Bug's Bubble Catcher — DataCruise Arcade #4.
   Bright orange + black arcade palette, matching the rest of the series. */

* { box-sizing: border-box; }

:root {
  --bg-top: #FFE9A8;
  --bg-bot: #FFB347;
  --ink: #1A1A1A;
  --paper: #FFF7E2;
  --orange: #FF6A1A;
  --orange-deep: #D44A00;
  --gold: #FFC500;
  --green: #2BB673;
  --sky: #5DC1E8;
  --sky-deep: #2E9DC9;
  --shadow: 0 6px 0 0 #1A1A1A;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Fredoka", "Quicksand", "Avenir Next", system-ui, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bot) 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 3px solid var(--ink);
  border-radius: 14px;
  background: var(--orange);
  color: var(--ink);
  font-weight: 800;
  padding: 12px 22px;
  font-size: 18px;
  box-shadow: 0 4px 0 0 var(--ink);
  transition: transform 80ms ease, box-shadow 80ms ease, background 120ms ease;
}
button:hover { transform: translateY(-1px); box-shadow: 0 5px 0 0 var(--ink); }
button:active { transform: translateY(3px); box-shadow: 0 1px 0 0 var(--ink); }
button[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: 0 4px 0 0 var(--ink); }
button.ghost { background: var(--paper); color: var(--ink); }

/* ============== TITLE / END SCREENS ============== */

.screen { display: grid; place-items: center; min-height: 80vh; }

.card {
  background: var(--paper);
  border: 4px solid var(--ink);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 32px 38px;
  max-width: 640px;
  text-align: center;
}
.card h1 { font-size: 38px; margin: 12px 0 6px; letter-spacing: 1px; line-height: 1.05; }
.card .subtitle { margin: 0 0 22px; font-weight: 600; color: #5C2A0F; font-size: 15px; }
.card .big-bug { width: 140px; height: 120px; display: block; margin: 0 auto 4px; }

.howto {
  text-align: left;
  background: #FFF;
  border: 3px solid var(--ink);
  border-radius: 16px;
  padding: 14px 18px;
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.5;
}
.howto p { margin: 0 0 6px; }
.howto p:last-child { margin-bottom: 0; }
.howto strong { color: var(--orange-deep); }

.prompt { font-weight: 800; letter-spacing: 1.5px; font-size: 13px; color: var(--orange-deep); margin: 14px 0 8px; }

/* Difficulty picker on the title card */
.difficulty-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0 0 8px;
}
.diff-pill {
  font-family: inherit;
  cursor: pointer;
  background: #FFF;
  color: var(--ink);
  border: 3px solid var(--ink);
  border-radius: 14px;
  padding: 10px 6px 8px;
  font-weight: 800;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  box-shadow: 0 4px 0 0 var(--ink);
  transition: transform 80ms ease, box-shadow 80ms ease, background 140ms ease;
}
.diff-pill:hover { transform: translateY(-1px); box-shadow: 0 5px 0 0 var(--ink); }
.diff-pill:active { transform: translateY(2px); box-shadow: 0 2px 0 0 var(--ink); }
.diff-pill.active {
  background: var(--gold);
  box-shadow: 0 4px 0 0 var(--ink), inset 0 0 0 3px var(--orange);
}
.diff-icon { font-size: 26px; line-height: 1; }
.diff-label { font-size: 13px; letter-spacing: 1.5px; }
.diff-best { font-size: 13px; letter-spacing: 2px; color: var(--orange-deep); }
.diff-best .dim { opacity: 0.25; color: var(--ink); }

.stars { font-size: 46px; letter-spacing: 6px; margin: 12px 0 8px; }
.stars .dim { opacity: 0.25; }

.end-chart {
  display: block;
  margin: 8px auto 8px;
  background: #FFF;
  border: 3px solid var(--ink);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 3px 0 0 var(--ink);
}

.chart-trophy {
  margin: 6px 0;
  color: var(--orange-deep);
  font-weight: 900;
  letter-spacing: 1.5px;
  font-size: 15px;
}

.new-best {
  margin: 0 0 12px;
  color: var(--orange-deep);
  font-weight: 900;
  letter-spacing: 2px;
  font-size: 16px;
  animation: bounce-best 0.6s ease;
}
@keyframes bounce-best {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.25); }
  100% { transform: scale(1); }
}

.stats { font-size: 15px; line-height: 1.6; margin: 0 0 16px; }
.stats b { color: var(--orange-deep); }

.end-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ============== GAME SCREEN ============== */

.game { display: grid; grid-template-columns: 1fr; gap: 14px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--ink);
  color: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 16px;
  padding: 10px 14px;
  font-weight: 800;
  flex-wrap: wrap;
}
.topbar .title { font-size: 16px; letter-spacing: 1px; }

.sound-toggle {
  font-size: 20px;
  line-height: 1;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #2A2A2A;
  color: var(--paper);
  border: 2px solid var(--paper);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
}
.sound-toggle:hover { background: #3A3A3A; }
.sound-toggle:active { transform: scale(0.94); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #2A2A2A;
  border: 2px solid var(--paper);
  border-radius: 14px;
  padding: 6px 14px;
  font-size: 13px;
  letter-spacing: 1px;
  transition: background 160ms ease, transform 120ms ease;
}
.pill-label { opacity: 0.85; font-weight: 800; }

/* Speed-level badge in the topbar */
.level-badge { gap: 6px; }
.level-icon { font-size: 18px; line-height: 1; }
.level-name { font-size: 14px; letter-spacing: 1.5px; }
.level-badge.level-easy   { background: #1F5C3A; border-color: var(--paper); }
.level-badge.level-medium { background: #4A2A00; border-color: var(--paper); }
.level-badge.level-hard   { background: #7E1F00; border-color: var(--paper); }
.time-num { font-variant-numeric: tabular-nums; font-size: 16px; min-width: 50px; text-align: right; }
.time-bar {
  display: inline-block;
  width: 130px;
  height: 12px;
  border: 2px solid var(--paper);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  position: relative;
}
.time-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--gold), var(--orange));
  transition: width 100ms linear;
}
#time-pill.warn { background: linear-gradient(180deg, #7A4A00 0%, #4A2A00 100%); }
#time-pill.danger {
  background: linear-gradient(180deg, #B33000 0%, #7E1F00 100%);
  animation: pulse-pill 0.7s ease-in-out infinite;
}

.miss-dots { display: inline-flex; gap: 6px; }
.miss-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--paper);
  background: transparent;
  transition: background 140ms ease;
}
.miss-dot.used { background: var(--orange); border-color: var(--orange-deep); }
#miss-pill.warn { background: linear-gradient(180deg, #7A4A00 0%, #4A2A00 100%); }
#miss-pill.danger {
  background: linear-gradient(180deg, #B33000 0%, #7E1F00 100%);
  animation: pulse-pill 0.7s ease-in-out infinite;
}
@keyframes pulse-pill {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.stage {
  background: #FFFFFF;
  border: 4px solid var(--ink);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.stage svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: calc(100vh - 110px);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* ============== CHART AXES ============== */

.chart-bg {
  fill: #FFFCF0;
  stroke: none;
}
.grid-line {
  stroke: #E6D6A0;
  stroke-width: 1;
  stroke-dasharray: 3 5;
  opacity: 0.7;
}
.axis-line {
  stroke: #1A1A1A;
  stroke-width: 2.5;
  stroke-linecap: round;
}
.axis-arrow {
  fill: #1A1A1A;
}
.axis-tick {
  stroke: #1A1A1A;
  stroke-width: 2;
  stroke-linecap: round;
}
.axis-text {
  font: 700 12px "Fredoka", sans-serif;
  fill: #5C4A1F;
  pointer-events: none;
}
.axis-title {
  font: 900 13px "Fredoka", sans-serif;
  fill: var(--ink);
  letter-spacing: 2px;
  pointer-events: none;
}

/* ============== SLOTS (sketched bubble chart) ============== */

.slot .slot-ring {
  fill: none;
  stroke: #9B8A5A;
  stroke-width: 3;
  stroke-dasharray: 7 6;
  transition: stroke 250ms ease;
}
.slot .slot-fill {
  fill: var(--slot-color, #FF6A1A);
  stroke: var(--ink);
  stroke-width: 3.5;
  opacity: 0;
  transition: opacity 240ms ease;
  transform-box: fill-box;
  transform-origin: center;
}
.slot .slot-num {
  font: 900 24px "Fredoka", sans-serif;
  fill: #9B8A5A;
  pointer-events: none;
  transition: fill 240ms ease;
}
.slot.filled .slot-ring { stroke: transparent; }
.slot.filled .slot-fill { opacity: 1; }
.slot.filled .slot-num { fill: var(--ink); }

.slot.just-filled .slot-fill { animation: slot-pop 700ms ease; }
@keyframes slot-pop {
  0%   { transform: scale(0.6); }
  60%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* ============== FALLING BUBBLES ============== */

.bubble { pointer-events: none; }
.bubble .bubble-body { filter: drop-shadow(0 1px 0 rgba(0,0,0,0.25)); }
.bubble .bubble-shine { pointer-events: none; }

/* ============== STRINGS ============== */

.string {
  cursor: pointer;
  pointer-events: bounding-box;
  transition: transform 120ms cubic-bezier(0.2, 0.8, 0.3, 1.2);
}
.string > * { pointer-events: none; }
.string-line { transition: stroke 140ms ease; }
.string-bead {
  transition: fill 140ms ease, r 140ms ease;
  filter: drop-shadow(0 2px 0 rgba(0,0,0,0.4));
}
.string-bead-shine { pointer-events: none; }
.string-num {
  font: 900 20px "Fredoka", sans-serif;
  fill: var(--paper);
  pointer-events: none;
}
.string:hover .string-bead { fill: #FF8035; }
.string.pulled .string-bead { fill: var(--gold); }
.string.pulled .string-line { stroke: #FFE680; }

/* ============== BUG-BUG ============== */

.bug-group { pointer-events: none; }
.bug-body { fill: var(--orange-deep); stroke: var(--ink); stroke-width: 3; }
.bug-spot { fill: var(--ink); }
.bug-head { fill: var(--ink); stroke: var(--ink); stroke-width: 2; }
.bug-eye { fill: #FFF; }
.bug-pupil { fill: var(--ink); }

/* ============== FLASH CHIP ============== */

#flash-chip { transition: opacity 220ms ease; }