/* Ragdoll judge — one committed visual world: a cozy desk with a cream
   keyboard (YUNZII C68 energy). Single light theme by design.

   Palette:  Milk #FBF6EB ground · Shell #FFFCF3→#F3E9D3 case · Sky #A8C8E4
   accent (side #7FA3C8) · Camel #C69A62 legends · Ink #463829 text ·
   Blossom #DE9A8F nose/error. */

:root {
  --milk: #fbf6eb;
  --shell-hi: #fffcf3;
  --shell-lo: #f3e9d3;
  --edge: #e3d3b4;
  --edge-deep: #d9c39a;
  --cap: #fffdf6;
  --cap-side: #dcc9a4;
  --ink: #463829;
  --ink-soft: #8b7659;
  --sky: #a8c8e4;
  --sky-hi: #bcd6ec;
  --sky-deep: #7fa3c8;
  --sky-ink: #2e4a66;
  --camel: #c69a62;
  --blossom: #de9a8f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Nunito', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background-color: var(--milk);
  background-image: radial-gradient(#efe3c8 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 44px 16px 28px;
}

/* ---- desk layout: keyboard left, about note right ---- */

.desk {
  width: 100%;
  max-width: 1150px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 28px;
}

/* ---- the stage: polaroid preview + verdict below it ---- */

.stage {
  flex: 1 1 260px;
  max-width: 310px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cat-photo {
  width: 100%;
  background: var(--cap);
  border: 3px solid var(--edge);
  border-radius: 10px;
  box-shadow: 0 12px 22px rgba(70, 56, 41, 0.16);
  padding: 12px;
  transform: rotate(-1.5deg);
  transition: transform 0.15s ease;
  position: relative;
}
.cat-photo:hover { transform: rotate(0deg); }
.cat-photo::before {
  /* tape strip */
  content: '';
  position: absolute;
  top: -12px;
  left: 50%;
  width: 86px;
  height: 24px;
  transform: translateX(-50%) rotate(2deg);
  background: rgba(198, 154, 98, 0.28);
  border-radius: 3px;
}
.cat-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 6px;
}

.photo-placeholder {
  aspect-ratio: 3 / 4;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    repeating-linear-gradient(45deg, rgba(198, 154, 98, 0.07) 0 12px, transparent 12px 24px),
    #f8f0de;
  border: 2px dashed var(--edge);
  border-radius: 6px;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 14px;
}

/* ---- the keyboard case ---- */

.case {
  flex: 0 1 470px;
  width: 100%;
  max-width: 470px;
  background: linear-gradient(var(--shell-hi), var(--shell-lo));
  border: 3px solid var(--edge);
  border-radius: 32px;
  box-shadow:
    0 14px 0 var(--edge-deep),
    0 26px 44px rgba(70, 56, 41, 0.14);
  padding: 32px 28px 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

header { text-align: center; }

.mascot { width: 112px; display: block; margin: 0 auto 6px; }
.ear { transform-origin: 60px 46px; }
.mascot:hover .ear-l { animation: wiggle-l 0.5s ease; }
.mascot:hover .ear-r { animation: wiggle-r 0.5s ease; }
@keyframes wiggle-l { 30% { transform: rotate(-5deg); } 70% { transform: rotate(2deg); } }
@keyframes wiggle-r { 30% { transform: rotate(5deg); } 70% { transform: rotate(-2deg); } }

h1 {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 2.15rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.tagline {
  color: var(--ink-soft);
  font-size: 0.95rem;
  text-wrap: balance;
}

/* ---- model download status ---- */

.model-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.model-status.ready .progress-track { display: none; }

.progress-track {
  width: 120px;
  height: 8px;
  background: var(--milk);
  border: 2px solid var(--edge);
  border-radius: 99px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--sky);
  border-radius: 99px;
  transition: width 0.15s ease;
}

/* ---- deskmat upload zone ---- */

.deskmat {
  width: 100%;
  background:
    repeating-linear-gradient(45deg, rgba(198, 154, 98, 0.05) 0 10px, transparent 10px 20px),
    #f8f0de;
  border: 2px dashed var(--camel);
  border-radius: 18px;
  box-shadow: inset 0 2px 6px rgba(70, 56, 41, 0.06);
  padding: 26px 16px;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.deskmat:hover, .deskmat:focus-visible, .deskmat.dragover {
  background-color: #eef3f8;
  transform: translateY(-2px);
}
.deskmat .paw { width: 42px; margin-bottom: 8px; }
.deskmat p { font-size: 0.95rem; color: var(--ink-soft); line-height: 1.55; }
.deskmat strong { color: var(--ink); font-weight: 700; }
.deskmat.error { border-color: var(--blossom); animation: shake 0.3s; }
@keyframes shake {
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.link-btn {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--sky-ink);
  text-decoration: underline;
  cursor: pointer;
}

/* ---- keycaps ---- */

.keycap {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  color: var(--camel);
  background: linear-gradient(var(--cap), #f7edd8);
  border: none;
  border-radius: 13px;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.7),
    0 5px 0 var(--cap-side),
    0 8px 10px rgba(70, 56, 41, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* the spacebar */
.judge {
  width: 100%;
  font-size: 1.3rem;
  color: var(--sky-ink);
  background: linear-gradient(var(--sky-hi), var(--sky));
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.55),
    0 7px 0 var(--sky-deep),
    0 12px 16px rgba(70, 56, 41, 0.16);
  padding: 13px 40px;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.08s ease;
}
.judge:hover:not(:disabled) { filter: brightness(1.04); }
.judge:active:not(:disabled) {
  transform: translateY(6px);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.55),
    0 1px 0 var(--sky-deep);
}
.judge:disabled {
  color: #a89a80;
  background: linear-gradient(#efe7d3, #e4d8bd);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.5),
    0 7px 0 var(--cap-side);
  cursor: not-allowed;
}

/* ---- verdict ---- */

.result {
  width: 100%;
  text-align: center;
  border-radius: 18px;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.result.ragdoll { background: rgba(168, 200, 228, 0.22); border: 3px solid var(--sky); }
.result.not-ragdoll { background: rgba(198, 154, 98, 0.10); border: 3px solid var(--edge); }

.result h2 {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1.2;
  text-wrap: balance;
}
.result.ragdoll h2 { color: var(--sky-ink); }
.result.not-ragdoll h2 { color: #8a6a4f; }
#verdict-sub { color: var(--ink-soft); font-size: 0.95rem; }

.confidence {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}
.confidence-track {
  width: 80%;
  height: 12px;
  background: var(--shell-hi);
  border: 2px solid var(--edge);
  border-radius: 99px;
  overflow: hidden;
}
.confidence-fill {
  height: 100%;
  width: 0%;
  border-radius: 99px;
  transition: width 0.6s ease;
}
.result.ragdoll .confidence-fill { background: var(--sky-deep); }
.result.not-ragdoll .confidence-fill { background: var(--camel); }
#confidence-text {
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.hidden { display: none !important; }

/* ---- about note ---- */

.about {
  flex: 1 1 260px;
  max-width: 310px;
  background: var(--shell-hi);
  border: 3px solid var(--edge);
  border-radius: 22px;
  box-shadow: 0 8px 0 var(--edge-deep);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about h2 {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
}
.about p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.about strong { color: var(--ink); }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
}
.stats dt {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--camel);
}
.stats dd {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

@media (max-width: 1100px) {
  .desk { flex-direction: column; align-items: center; }
  .case { order: -1; }
  .stage { max-width: 340px; width: 100%; flex: none; margin-top: 10px; }
  .about { max-width: 470px; width: 100%; flex: none; }
}

/* ---- a11y ---- */

:focus-visible {
  outline: 3px solid var(--sky-deep);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 420px) {
  body { padding-top: 24px; }
  .case { padding: 24px 18px 20px; }
  h1 { font-size: 1.85rem; }
}