.tone-lab {
  border: 1px solid rgba(63, 52, 38, 0.12);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,.94), rgba(250,246,239,.9));
  box-shadow: 0 24px 70px rgba(73,55,35,.12);
  padding: clamp(22px, 4vw, 44px);
}
.home-tone-lab {
  padding: clamp(18px, 2.4vw, 28px);
}
.home-tone-wrap {
  scroll-margin-top: calc(var(--nav-h, 62px) + 16px);
}
.tone-entry-card {
  display: block;
  color: inherit;
}
.tone-entry-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--surface-2);
  box-shadow: var(--sh-3);
}
.tone-entry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 46% 50%;
  transition: transform .55s var(--ease);
}
.tone-entry-card:hover .tone-entry-media img {
  transform: scale(1.045);
}
.tone-entry-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18,19,26,.18), transparent 42%);
  pointer-events: none;
}
.tone-entry-media .lbl {
  position: absolute;
  z-index: 2;
  bottom: 12px;
  padding: 4px 11px;
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: rgba(18,19,26,.72);
}
.tone-entry-media .lbl.l { left: 12px; }
.tone-entry-media .lbl.r { right: 12px; background: var(--magic); }
.tone-page {
  padding-top: 30px;
  padding-bottom: 72px;
}
.tone-page .tone-lab {
  margin-top: 26px;
}
.tone-page .tone-input-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.tone-page .tone-controls {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
}
.tone-card-lab {
  padding: 18px;
  border-radius: 22px;
}
.tone-card-cover {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}
.tone-card-cover img {
  width: 128px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(18,19,26,.12);
}
.tone-card-cover .h3 {
  margin: 3px 0 4px;
}
.tone-card-cover .muted {
  font-size: 13px;
  line-height: 1.55;
}
.tone-showcase,
.tone-lab-head {
  max-width: 760px;
  margin: 0 auto 24px;
  text-align: center;
}
.home-tone-lab .tone-showcase,
.home-tone-lab .tone-lab-head {
  margin-bottom: 18px;
}
.home-tone-lab .tone-showcase .h2,
.home-tone-lab .tone-lab-head .h2 {
  font-size: clamp(24px, 2.45vw, 34px);
  line-height: 1.12;
}
.tone-showcase-card {
  max-width: 720px;
  margin: 18px auto;
  padding: 12px;
  border: 1px solid rgba(63,52,38,.12);
  border-radius: 20px;
  background: rgba(255,255,255,.76);
}
.tone-showcase-ba {
  border-radius: 14px;
  overflow: hidden;
}
.tone-stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 620px;
  margin: 16px auto 0;
}
.home-tone-lab .tone-stat-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.tone-stat-row span {
  display: grid;
  gap: 3px;
  padding: 12px;
  border: 1px solid rgba(63,52,38,.1);
  border-radius: 12px;
  background: rgba(255,255,255,.72);
}
.tone-stat-row strong { color: #78998f; font-size: 16px; }
.tone-stat-row small { color: var(--ink-3); font-size: 11px; }
.tone-input-grid,
.tone-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.home-tone-lab .tone-input-grid {
  grid-template-columns: 1fr;
}
.tone-card-lab .tone-input-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.tone-drop {
  min-height: 178px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  border: 1px dashed rgba(92,71,48,.25);
  border-radius: 18px;
  background: rgba(255,255,255,.68);
  cursor: pointer;
  text-align: center;
}
.tone-card-lab .tone-drop {
  min-height: 132px;
  padding: 14px 10px;
  gap: 7px;
}
.tone-drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.tone-step {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: #fff1e8;
  color: #b66b3d;
  font-weight: 800;
}
.tone-card-lab .tone-step {
  width: 32px;
  height: 32px;
  border-radius: 11px;
  font-size: 12px;
}
.tone-drop strong { font-size: 18px; color: var(--ink-1); }
.tone-drop small { max-width: 320px; color: var(--ink-3); line-height: 1.7; }
.tone-card-lab .tone-drop strong { font-size: 15px; }
.tone-card-lab .tone-drop small { font-size: 11.5px; line-height: 1.55; }
.tone-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
  gap: 16px;
  align-items: center;
  margin: 16px 0 22px;
  padding: 16px;
  border: 1px solid rgba(63,52,38,.1);
  border-radius: 18px;
  background: rgba(255,255,255,.72);
}
.home-tone-lab .tone-controls {
  grid-template-columns: 1fr;
}
.tone-card-lab .tone-controls {
  padding: 12px;
  margin: 12px 0 16px;
}
.tone-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tone-card-lab .tone-button-row {
  gap: 8px;
}
.tone-card-lab .tone-button-row .btn {
  height: 38px;
  padding: 0 13px;
  font-size: 13px;
}
.tone-strength {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-2);
}
.tone-strength input { accent-color: #78998f; }
#toneStatus { grid-column: 1 / -1; margin: 0; font-size: 13px; }
.tone-result-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 20px 0 28px;
}
.tone-result-grid[hidden] {
  display: none;
}
.home-tone-lab .tone-result-grid {
  grid-template-columns: 1fr;
}
.tone-result-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(63,52,38,.11);
  border-radius: 18px;
  background: rgba(255,255,255,.78);
}
.tone-result-grid canvas,
.tone-result-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: contain;
  background: #f7f4ef;
}
.tone-result-grid figcaption {
  padding: 12px 14px;
  font-weight: 800;
  color: var(--ink-2);
  font-size: 13px;
}
.tone-preset-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin: 14px 0;
}
.tone-preset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-height: 720px;
  overflow: auto;
}
.home-tone-lab .tone-preset-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-height: 620px;
}
.tone-card-lab .tone-preset-grid {
  gap: 10px;
  max-height: 330px;
}
.tone-card-lab .tone-preset-card {
  border-radius: 14px;
}
.tone-card-lab .tone-preset-card img {
  aspect-ratio: 16 / 10;
}
.tone-card-lab .tone-preset-card span {
  margin-top: 8px;
  font-size: 10.5px;
}
.tone-card-lab .tone-preset-card strong {
  padding-top: 6px;
  font-size: 13px;
}
.tone-card-lab .tone-preset-card small {
  font-size: 11.5px;
}
.tone-preset-card {
  padding: 0;
  border: 1px solid rgba(63,52,38,.11);
  border-radius: 16px;
  background: rgba(255,255,255,.8);
  overflow: hidden;
  text-align: left;
  cursor: pointer;
}
.tone-preset-card.active { outline: 2px solid rgba(120,153,143,.65); }
.tone-preset-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.tone-preset-card span,
.tone-preset-card strong,
.tone-preset-card small { display: block; margin: 0 12px; }
.tone-preset-card span {
  width: fit-content;
  margin-top: 10px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #fff1e8;
  color: #b66b3d;
  font-size: 11px;
  font-weight: 800;
}
.tone-preset-card strong { padding-top: 8px; color: var(--ink-1); }
.tone-preset-card small { padding: 3px 0 12px; color: var(--ink-3); line-height: 1.55; }
@media (max-width: 860px) {
  .home-tone-wrap {
    grid-column: span 12 !important;
  }
  .tone-input-grid,
  .tone-controls,
  .tone-result-grid,
  .tone-preset-grid,
  .tone-stat-row { grid-template-columns: 1fr; }
  .tone-preset-grid { max-height: none; }
}
@media (max-width: 560px) {
  .tone-card-cover,
  .tone-card-lab .tone-input-grid {
    grid-template-columns: 1fr;
  }
  .tone-card-cover img {
    width: 100%;
  }
}