:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface-soft: #f6f6f7;
  --text: #18181b;
  --muted: #71717a;
  --radius: 8px;
  --pill-radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.tool-screen {
  min-height: 100vh;
  position: relative;
}

.back-btn {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: var(--pill-radius);
  background: rgba(246, 246, 247, 0.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.86rem;
}

.back-btn:hover {
  background: rgba(236, 236, 240, 0.96);
  color: #52525b;
}

.stage {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: #f8f8f9;
  padding: 16px;
}

.stage .mascot {
  --size: clamp(68px, 8vmin, 108px);
}

.controls-panel {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: min(500px, calc(100vw - 32px));
  max-height: calc(100vh - 92px);
  overflow: auto;
  z-index: 35;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px) saturate(115%);
  -webkit-backdrop-filter: blur(10px) saturate(115%);
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.1);
}

.controls-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.controls-title {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.panel-toggle {
  border: 0;
  background: var(--surface-soft);
  color: #3f3f46;
  border-radius: var(--pill-radius);
  padding: 6px 10px;
  font: 500 0.76rem/1 "Inter", sans-serif;
  cursor: pointer;
}

.panel-toggle:hover {
  background: #ececf0;
}

.controls {
  margin-top: 0;
  display: grid;
  gap: 0.75rem;
  max-height: 70vh;
  overflow: hidden;
  opacity: 1;
  transform: translateY(0);
  transform-origin: top;
  transition: max-height 260ms ease, opacity 200ms ease, transform 200ms ease;
}

.controls-panel.is-collapsed {
  max-height: none;
  overflow: visible;
  padding-bottom: 8px;
}

.controls-panel.is-collapsed .controls {
  max-height: 0;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  margin: 0;
  gap: 0;
}

.group-title {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 0.45rem;
}

.button-grid.single-row {
  grid-template-columns: 1fr;
}

.ui-btn {
  border: 0;
  background: var(--surface-soft);
  color: #3f3f46;
  border-radius: var(--pill-radius);
  padding: 0.5rem 0.65rem;
  font: 500 0.8rem/1.1 "Inter", sans-serif;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}

.ui-btn:hover {
  background: #ececf0;
}

.ui-btn.is-active,
.ui-btn:focus-visible {
  outline: none;
  color: #3f3f46;
  background: #e9eaee;
}

.ui-btn.strong {
  font-weight: 600;
}

.ui-btn.is-recording {
  background: #fde8e8;
  color: #8f1d1d;
}

.mascot {
  --size: 72px;
  --line: #111;
  --fill: #e6e7eb;
  --gaze-x: 0px;
  --gaze-y: 0px;
  --tilt: 0deg;
  --lift: 0px;
  --shift-x: 0px;
  --scale-x: 1;
  --scale-y: 1;
  --radius: 32%;
  --left-eye: 26%;
  --right-eye: 26%;
  width: var(--size);
  height: var(--size);
  position: relative;
  display: grid;
  place-items: center;
}

.mascot::after {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: 40%;
  background: radial-gradient(circle, rgba(185, 185, 185, 0.26) 0%, rgba(185, 185, 185, 0) 68%);
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
}

.body {
  width: 88%;
  height: 88%;
  background: var(--fill);
  border-radius: var(--radius);
  transform: translate(var(--shift-x), var(--lift)) rotate(var(--tilt)) scale(var(--scale-x), var(--scale-y));
  transition: transform 220ms ease, border-radius 260ms ease;
  position: relative;
}

.face {
  position: absolute;
  inset: 0;
  transform: translate(var(--gaze-x), var(--gaze-y));
  transition: transform 120ms ease;
}

.eye {
  position: absolute;
  top: 42%;
  width: 8px;
  height: 20px;
  border-radius: 999px;
  background: var(--line);
  transition: all 200ms ease;
}

.eye.left {
  left: var(--left-eye);
}

.eye.right {
  right: var(--right-eye);
}

.sp-wide {
  --left-eye: 26%;
  --right-eye: 26%;
}

.sp-ultra {
  --left-eye: 22%;
  --right-eye: 22%;
}

.e-tall .eye {
  width: 8px;
  height: 20px;
}

.fx-feet .body::after,
.feet-active .body::after {
  content: "";
  position: absolute;
  left: 50%;
  top: calc(100% + 10px);
  width: 20px;
  height: 10px;
  border-radius: 999px;
  background: var(--fill);
  transform: translateX(calc(-25px + var(--feet-shift, 0px) - (var(--feet-gap, 0px) / 2)))
    scale(var(--feet-scale, 1));
  box-shadow: calc(30px + var(--feet-gap, 0px)) 0 0 var(--fill);
  opacity: var(--feet-opacity, 1);
  transition: transform 220ms ease, box-shadow 220ms ease, opacity 220ms ease;
}

.fx-dot .body::before {
  content: "";
  position: absolute;
  top: -7px;
  right: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #111;
  opacity: 0.72;
}

.m-blink .eye,
.m-wink .eye.right,
.m-sleepy .eye {
  height: 3px;
  width: 14px;
  top: 49%;
}

.m-focus .eye {
  height: 23px;
}

.m-happy .eye {
  height: 22px;
  transform: scaleY(1.12);
}

.m-alert .eye {
  transform: scale(1.15);
}

.m-look-left .eye {
  transform: translateX(-3px);
}

.m-look-right .eye {
  transform: translateX(3px);
}

.m-sit {
  --lift: 6px;
  --scale-x: 1.08;
  --scale-y: 0.9;
  --feet-gap: -3px;
}

.m-loved .eye {
  height: 14px;
  width: 9px;
  transform: translateY(-2px) scaleY(1.08);
}

.mascot.is-petted .body {
  animation: pet-wiggle 550ms ease;
}

.mascot.is-petted::after {
  animation: pet-glow 580ms ease;
}


.g-float {
  animation: floaty 2.8s ease-in-out infinite;
}

.mascot.m-sit.g-float {
  animation: none;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes pet-wiggle {
  0% {
    transform: translate(var(--shift-x), var(--lift)) rotate(var(--tilt)) scale(var(--scale-x), var(--scale-y));
  }
  35% {
    transform: translate(calc(var(--shift-x) - 2px), var(--lift)) rotate(calc(var(--tilt) - 4deg))
      scale(1.03, 0.98);
  }
  70% {
    transform: translate(calc(var(--shift-x) + 2px), var(--lift)) rotate(calc(var(--tilt) + 3deg))
      scale(1.02, 0.99);
  }
  100% {
    transform: translate(var(--shift-x), var(--lift)) rotate(var(--tilt)) scale(var(--scale-x), var(--scale-y));
  }
}

@keyframes pet-glow {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  38% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(1.12);
  }
}

.dialog {
  width: min(440px, calc(100% - 1.5rem));
  border: 1px solid #e7e7e7;
  border-radius: 14px;
  padding: 1rem;
  font-family: "Inter", sans-serif;
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.26);
}

.dialog h2 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
}

.dialog ol {
  margin: 0 0 0.7rem;
  padding-left: 1.1rem;
  color: #333;
}

.dialog p {
  margin: 0 0 0.8rem;
  color: #444;
  font-size: 0.9rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(12px);
  margin: 0;
  border-radius: 9px;
  border: 1px solid #dcdcdc;
  background: #fff;
  padding: 0.55rem 0.7rem;
  font-size: 0.78rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 680px) {
  .controls-panel {
    right: 10px;
    left: 10px;
    width: auto;
    bottom: 10px;
    max-height: 54vh;
    padding: 10px;
  }

  .back-btn {
    top: 10px;
    left: 10px;
  }

  .stage {
    padding: 10px;
  }

  .button-grid {
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  }
}