:root {
  --bg-0: #061126;
  --bg-1: #0d1d3d;
  --ink-soft: #dbe7ff;
  --ink-strong: #ffffff;
  --accent-0: #ffd53d;
  --accent-1: #ff8a00;
  --accent-2: #3df4d4;
  --panel: rgba(8, 21, 45, 0.78);
  --panel-border: rgba(255, 255, 255, 0.16);
  --danger: #ff5d73;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: "Baloo 2", "ZCOOL KuaiLe", "Microsoft YaHei", sans-serif;
  color: var(--ink-strong);
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 213, 61, 0.26), transparent 36%),
    radial-gradient(circle at 80% 0%, rgba(61, 244, 212, 0.24), transparent 42%),
    linear-gradient(140deg, var(--bg-0), var(--bg-1) 45%, #0c2b56 100%);
}

.app-shell {
  width: 100%;
  height: 100dvh;
  padding: clamp(0.7rem, 1.8vh, 1.5rem);
  overflow: hidden;
}

.screen {
  display: none;
  min-height: 0;
}

.screen-visible {
  display: grid;
}

#prep-screen {
  place-items: center;
  gap: 1.2rem;
}

.hero-head {
  text-align: center;
}

.hero-badge {
  letter-spacing: 0.14em;
  color: var(--accent-2);
  margin: 0;
}

.hero-head h1 {
  margin: 0.2rem 0 0;
  font-family: "ZCOOL KuaiLe", "Baloo 2", sans-serif;
  font-size: clamp(3rem, 8vw, 6rem);
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.38);
}

.hero-subtitle {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2.6vw, 1.4rem);
}

.prep-card,
.summary-card {
  width: min(720px, 92vw);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  padding: 2rem;
  text-align: center;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.34);
}

.mic-status {
  margin: 0 0 1rem;
  font-size: 1.24rem;
  color: var(--ink-soft);
}

.prep-tip {
  margin-top: 1rem;
  color: rgba(219, 231, 255, 0.8);
}

.prep-tip.error {
  color: #ffd9df;
}

.prep-actions {
  display: inline-flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-btn,
.ghost-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.8rem 1.8rem;
  font-size: 1.15rem;
  font-family: inherit;
  cursor: pointer;
}

.cta-btn {
  color: #1f1500;
  font-weight: 800;
  background: linear-gradient(125deg, var(--accent-0), var(--accent-1));
  box-shadow: 0 10px 30px rgba(255, 138, 0, 0.45);
}

.ghost-btn {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

#run-screen {
  height: 100%;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: clamp(0.4rem, 1.2vh, 1rem);
  min-height: 0;
  overflow: hidden;
}

.run-topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.6rem;
}

.topbar-title {
  text-align: center;
  font-family: "ZCOOL KuaiLe", "Baloo 2", sans-serif;
  font-size: clamp(1.6rem, 2.2vw, 2.4rem);
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--ink-soft);
  font-weight: 700;
}

#timer-label {
  justify-self: end;
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 0.5rem;
}

.mini-btn {
  padding: 0.4rem 0.9rem;
  font-size: 0.95rem;
}

.run-alert {
  min-height: 1.1rem;
  color: #ffe3a6;
  font-size: clamp(0.76rem, 1.25vh, 0.95rem);
  padding-left: 0.2rem;
}

.settings-row {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: fit-content;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.settings-row label {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.settings-row input {
  width: min(220px, 40vw);
}

.settings-row span {
  min-width: 2ch;
  text-align: right;
  font-weight: 800;
}

.stage-wrap {
  position: relative;
  min-height: 0;
  height: 100%;
  border-radius: 28px;
  border: 1px solid var(--panel-border);
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(61, 244, 212, 0.2), transparent 44%),
    linear-gradient(165deg, #040d1d 0%, #04142d 38%, #06234c 100%);
}

#bubble-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.stage-overlay {
  pointer-events: none;
  position: absolute;
  left: 50%;
  top: clamp(0.9rem, 4vh, 3.2rem);
  transform: translateX(-50%);
  text-align: center;
  text-shadow: 0 6px 20px rgba(0, 0, 0, 0.46);
}

.stage-overlay h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 2.8rem);
}

.stage-overlay p {
  margin: 0.4rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(0.82rem, 1.5vw, 1.2rem);
}

#overlay-hint.low-energy {
  color: #ffd9df;
}

.metric-bar {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr auto;
  align-items: center;
  gap: clamp(0.35rem, 0.8vh, 0.8rem);
  padding: clamp(0.45rem, 0.95vh, 0.9rem) clamp(0.55rem, 1.1vh, 1rem);
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  min-height: 0;
}

.metric-item {
  display: grid;
  gap: 0.2rem;
}

.metric-label {
  color: rgba(219, 231, 255, 0.8);
  font-size: clamp(0.72rem, 1.05vh, 0.9rem);
}

.metric-value {
  font-size: clamp(1rem, 1.9vh, 1.32rem);
  font-weight: 800;
}

.meter-track {
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.15);
}

.meter-fill {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #3df4d4, #ffd53d, #ff8a00);
  transition: width 100ms linear;
}

#summary-screen {
  place-items: center;
}

.summary-card h2 {
  margin: 0;
  font-size: 2.2rem;
}

.summary-card p {
  margin: 0.8rem 0 1rem;
}

.summary-badge {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0.8rem 0 1.2rem;
}

.summary-item {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.07);
}

.summary-item p {
  margin: 0;
  color: rgba(219, 231, 255, 0.82);
}

.summary-item h3 {
  margin: 0.4rem 0 0;
  font-size: 1.6rem;
}

.summary-actions {
  display: inline-flex;
  gap: 0.7rem;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 190, 77, 0.18), transparent 38%),
    radial-gradient(circle at 80% 90%, rgba(86, 255, 226, 0.14), transparent 42%),
    rgba(1, 8, 20, 0.66);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 1rem;
}

.modal-backdrop[hidden] {
  display: none !important;
}

.settings-modal {
  position: relative;
  width: min(700px, 96vw);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 24px;
  background:
    radial-gradient(circle at 16% 12%, rgba(255, 197, 74, 0.2), transparent 42%),
    linear-gradient(160deg, rgba(7, 30, 66, 0.96), rgba(8, 21, 45, 0.98));
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.46),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  padding: 1.2rem 1rem 1rem;
  max-height: min(80vh, 640px);
  overflow: auto;
}

.settings-head {
  padding: 0.25rem 3.2rem 0.2rem 0.2rem;
}

.settings-head h2 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: 0.02em;
  text-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);
}

.modal-close-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.8rem;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: linear-gradient(140deg, #ffda57, #ff8d33);
  color: #1f1500;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(255, 141, 51, 0.34);
}

.modal-close-btn:hover {
  filter: brightness(1.05);
}

.settings-body {
  display: grid;
  gap: 0.95rem;
  margin-top: 1.05rem;
}

.settings-body .settings-row {
  width: 100%;
  border-radius: 16px;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.settings-body .settings-row label {
  min-width: 5.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.settings-body .settings-row span {
  min-width: 4.2rem;
  text-align: right;
  color: #ffe08d;
}

.settings-body .settings-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #33d8ff, #7bf18f 58%, #ffd45b 100%);
  outline: none;
}

.settings-body .settings-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background: #0d6ddf;
  box-shadow: 0 0 0 6px rgba(13, 109, 223, 0.22);
  cursor: pointer;
}

.settings-body .settings-row input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background: #0d6ddf;
  box-shadow: 0 0 0 6px rgba(13, 109, 223, 0.22);
  cursor: pointer;
}

@media (max-width: 1024px) {
  #run-screen {
    height: 100%;
    gap: 0.7rem;
  }

  .metric-bar {
    grid-template-columns: 1fr;
  }

  .meter-item {
    order: -1;
  }

  #timer-label {
    justify-self: center;
  }

  .topbar-actions {
    justify-self: start;
    width: 100%;
    justify-content: space-between;
  }

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

  .summary-actions {
    display: grid;
  }

  .prep-actions {
    display: grid;
  }
}

@media (max-height: 820px) {
  .topbar-title {
    font-size: clamp(1.25rem, 2.1vw, 2rem);
  }

  .chip {
    padding: 0.28rem 0.8rem;
    font-size: 0.88rem;
  }

  .mini-btn {
    padding: 0.28rem 0.72rem;
    font-size: 0.82rem;
  }
}

@media (max-height: 700px) {
  #run-screen {
    gap: 0.35rem;
  }

  .metric-bar {
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem 0.6rem;
  }

  #stop-btn {
    justify-self: end;
    padding: 0.42rem 0.9rem;
    font-size: 0.9rem;
  }
}