/* ═══════════════════════════════════════════════════════════════════
   TAMATO STUDIO — DESIGN SYSTEM EXTRACTOR
═══════════════════════════════════════════════════════════════════ */
html, body { height: 100%; }
.st-app { min-height: 100vh; display: flex; flex-direction: column; background: var(--tm-bg); }

/* ── Top bar — floating, no panel ───────────────────────────────── */
.st-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-8);
  background: transparent;
  flex-shrink: 0;
  height: 56px;
}
.st-top-left  { display: flex; align-items: center; gap: var(--sp-4); }
.st-top-right { display: flex; align-items: center; gap: var(--sp-3); }

.st-screen        { display: none; flex: 1; }
.st-screen.active { display: flex; flex-direction: column; }

/* ── Home screen ─────────────────────────────────────────────────── */
.st-home {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-8) var(--sp-8);
  width: 100%;
}
.st-home-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
}
.st-home-head h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.ds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--sp-4);
}

.ds-card {
  background: var(--tm-surface);
  border: 1px solid var(--tm-border);
  border-radius: var(--r-card);
  padding: var(--sp-6);
  cursor: pointer;
  transition: border-color var(--t-micro), transform var(--t-micro);
}
.ds-card:hover  { border-color: var(--tm-border-2); transform: translateY(-1px); }
.ds-card:active { transform: scale(0.99); }
.ds-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: var(--sp-2);
  letter-spacing: -0.01em;
}
.ds-card .ds-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--tm-text-3);
}
.ds-swatches { display: flex; gap: 4px; margin: var(--sp-3) 0; }
.ds-swatch {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 1px solid var(--tm-border);
}

/* ── Upload screen ───────────────────────────────────────────────── */
.st-upload {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--sp-16) var(--sp-8);
  text-align: center;
  width: 100%;
}
.st-upload h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-3);
}
.st-upload p { color: var(--tm-text-2); font-size: 15px; margin-bottom: var(--sp-8); line-height: 1.55; }

.drop-zone {
  border: 1px dashed var(--tm-border-2);
  border-radius: var(--r-card);
  padding: var(--sp-16) var(--sp-8);
  transition: border-color var(--t-micro), background var(--t-micro);
  cursor: pointer;
}
.drop-zone:hover { border-color: var(--tm-accent); box-shadow: 0 0 0 3px var(--tm-accent-glow); }
.drop-zone.over  { border-color: var(--tm-accent); background: var(--tm-accent-muted); box-shadow: 0 0 0 3px var(--tm-accent-glow); }
.drop-zone p { color: var(--tm-text-3); font-size: 15px; }

.upload-thumbs {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  margin: var(--sp-8) 0;
  flex-wrap: wrap;
}
.upload-thumb {
  position: relative;
  width: 116px;
  height: 116px;
}
.upload-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--r-card);
  border: 1px solid var(--tm-border);
}
.upload-thumb .rm {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  border-radius: 99px;
  background: var(--tm-surface);
  border: 1px solid var(--tm-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tm-text-2);
  font-size: 12px;
  transition: color var(--t-micro), border-color var(--t-micro);
  cursor: pointer;
}
.upload-thumb .rm:hover { color: var(--tm-accent); border-color: var(--tm-accent-dim); }

/* ── Editor screen ───────────────────────────────────────────────── */
.st-editor {
  display: grid;
  grid-template-columns: 340px 1fr;
  flex: 1;
  height: calc(100vh - 56px);
}

.st-tokens {
  border-right: 1px solid var(--tm-border);
  overflow-y: auto;
  padding: var(--sp-6);
  background: var(--tm-surface);
}

.token-group { margin-bottom: var(--sp-8); }
.token-group h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tm-accent);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: 6px;
}
.token-group h4::before {
  content: '';
  width: 3px;
  height: 12px;
  background: var(--tm-accent);
  border-radius: 99px;
  flex-shrink: 0;
}
.token-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}
.token-row label {
  font-size: 12px;
  color: var(--tm-text-2);
  width: 110px;
  flex-shrink: 0;
}
.token-row input,
.token-row select {
  flex: 1;
  font-size: 12px;
  padding: 5px var(--sp-2);
  background: var(--tm-bg);
  border: 1px solid var(--tm-border);
  border-radius: var(--r-input);
  color: var(--tm-text);
  transition: border-color var(--t-micro), box-shadow var(--t-micro);
}
.token-row input:focus,
.token-row select:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--tm-accent-glow);
}
.token-row input[type=color] {
  width: 30px;
  height: 26px;
  padding: 2px;
  flex: none;
  cursor: pointer;
}

.st-preview {
  overflow-y: auto;
  padding: var(--sp-8);
  background: var(--tm-bg);
}
.st-preview-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.pv-block {
  border: 1px solid var(--tm-border);
  border-radius: var(--r-card);
  overflow: hidden;
}
.pv-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--tm-text-3);
  padding: var(--sp-2) var(--sp-4);
  background: var(--tm-surface);
  border-bottom: 1px solid var(--tm-border);
  letter-spacing: 0.02em;
}

/* ── Export screen ───────────────────────────────────────────────── */
.st-export {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--sp-8);
  width: 100%;
}
.st-export h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-8);
}
.export-code {
  background: var(--tm-surface);
  border: 1px solid var(--tm-border);
  border-radius: var(--r-card);
  padding: var(--sp-6);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 440px;
  overflow-y: auto;
}

/* ── Loading overlay ─────────────────────────────────────────────── */
.st-loading {
  position: fixed;
  inset: 0;
  background: rgba(28,25,23,0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  flex-direction: column;
  gap: var(--sp-4);
  color: var(--tm-text);
}
.st-loading.show { display: flex; animation: tm-fade 150ms ease forwards; }
.st-loading p { font-size: 15px; color: var(--tm-text-2); }

@media (max-width: 760px) {
  .st-editor { grid-template-columns: 1fr; height: auto; }
  .st-tokens { border-right: none; border-bottom: 1px solid var(--tm-border); }
  .st-top { padding: var(--sp-3) var(--sp-4); }
  .st-home { padding: var(--sp-4); }
}