/* Color Shades — tool-specific */
.page { padding: 40px 20px; max-width: 720px; margin: 0 auto; }
.page h1 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.page .subtitle { color: #888; margin-bottom: 20px; font-size: 14px; }

.opt-row { display: flex; gap: 18px; flex-wrap: wrap; align-items: end; }
.opt-group { display: flex; flex-direction: column; gap: 6px; }
.opt-label { font-size: 11px; color: #aaa; text-transform: uppercase; letter-spacing: 1px; font-weight: 500; }

.color-input-row { display: flex; gap: 8px; align-items: center; }
.color-input-row input[type=color] { width: 50px; height: 36px; border: 1px solid #2a2a2a; border-radius: 6px; background: #0d0d0d; cursor: pointer; }
.color-input-row input[type=text] {
  background: #0d0d0d; border: 1px solid #2a2a2a; color: #fff;
  padding: 8px 10px; border-radius: 6px; font-size: 14px;
  font-family: 'SF Mono', monospace; width: 110px; text-transform: uppercase;
}

.opt-group input[type=text] {
  background: #0d0d0d; border: 1px solid #2a2a2a; color: #fff;
  padding: 8px 10px; border-radius: 6px; font-size: 14px;
}

.seg { display: inline-flex; gap: 0; border: 1px solid #2a2a2a; border-radius: 6px; overflow: hidden; }
.seg-btn { background: #0d0d0d; color: #888; border: none; padding: 6px 12px; cursor: pointer; font-size: 12px; }
.seg-btn:hover { background: #1a1a1a; color: #ccc; }
.seg-btn.active { background: #ff4444; color: #fff; }

.palette { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 4px; margin-bottom: 16px; }
.swatch {
  border-radius: 6px; padding: 16px 12px; cursor: pointer;
  display: flex; flex-direction: column; gap: 4px; min-height: 70px;
  transition: transform 0.12s;
}
.swatch:hover { transform: translateY(-2px); }
.swatch.base { box-shadow: 0 0 0 2px #ff4444; }
.swatch-step { font-size: 14px; font-weight: 700; font-family: 'SF Mono', monospace; }
.swatch-val { font-size: 11px; font-family: 'SF Mono', monospace; opacity: 0.7; }
.swatch.copied .swatch-step::after { content: ' ✓'; }

.action-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.status-msg { font-size: 13px; margin-left: 8px; }
.status-msg.ok { color: #4caf50; }

.step-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 12px 0; }
.step-table th { text-align: left; padding: 6px 12px; color: #888; font-weight: 500; border-bottom: 1px solid #2a2a2a; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.step-table td { padding: 6px 12px; border-bottom: 1px solid #1f1f1f; color: #ccc; }
.step-table td:first-child { font-family: 'SF Mono', monospace; color: #fff; }

@media (max-width: 600px) {
  .page { padding: 24px 12px; }
  .page h1 { font-size: 22px; }
}