.workshop { max-width: 780px; }
.workshop [hidden] { display: none !important; }
.workshop summary { min-height: 48px; cursor: pointer; font-size: 18px; font-weight: 700; padding: 10px 0; }
.hub-link { display: inline-block; color: var(--blue); margin-bottom: 18px; padding: 8px 0; }
.board-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.board-heading h2 { margin-bottom: 0; }
.color-setting { display: flex; gap: 8px; align-items: center; margin: 10px 0; }
.color-setting .color-name { min-width: 0; width: 100%; padding: 12px; }
.color-setting .tint { width: 48px; height: 48px; padding: 2px; flex-shrink: 0; border: 1px solid var(--line); background: var(--panel); }
.color-setting label { display: flex; align-items: center; gap: 4px; flex-shrink: 0; font-size: 12px; }
.color-setting .color-quantity { width: 56px; padding: 12px 4px; }
.secondary-actions { margin-top: 12px; }
.ban-list { font-size: 11px; color: var(--muted); overflow-wrap: anywhere; }
.slot[data-result="correct"] { background: rgba(30,100,75,.45); border-color: var(--green); }
#history { padding-left: 22px; line-height: 1.8; overflow-wrap: anywhere; }
.help { padding-left: 22px; line-height: 1.8; }
.workshop .actions .calc-btn { width: auto; margin: 0; flex: 1; padding: 12px; }
.workshop .slot-label, .workshop .color-button { overflow-wrap: anywhere; min-width: 0; }
.workshop h2 { margin-top: 0; font-size: 20px; }
.workshop p { line-height: 1.65; }
.workshop .muted { color: var(--muted); }
.workshop .notice { padding: 14px; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--readable-emphasis, #a9d5ff); }
.settings-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.settings-grid label { color: var(--muted); font-size: 14px; }
.settings-grid .input-field { display: block; width: 100%; min-width: 0; margin-top: 8px; padding: 14px 10px; }
.workshop button { min-height: 48px; font: inherit; font-weight: 700; cursor: pointer; }
.workshop button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.workshop button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.slots, .palette { display: grid; grid-template-columns: repeat(auto-fit, minmax(78px, 1fr)); gap: 10px; margin: 16px 0; }
.slot, .color-button, .secondary, .feedback-buttons button { color: var(--text); background: var(--panel); border: 1px solid var(--line-strong); border-radius: 12px; padding: 12px 8px; }
.slot { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.workshop .slot { padding: 12px 4px; }
.slot[aria-pressed="true"], .feedback-buttons button[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.swatch { display: inline-block; width: 24px; height: 24px; border: 2px solid rgba(255,255,255,.5); border-radius: 50%; flex-shrink: 0; }
.color-button { display: flex; align-items: center; justify-content: center; gap: 6px; }
.slot-label { font-size: 13px; }
.slot-result { font-size: 12px; color: var(--muted); }
.slot[data-result="correct"] .slot-result { color: var(--green); }
.slot[data-result="incorrect"] .slot-result { color: var(--pink); }
.actions, .feedback-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.feedback-buttons button { flex: 1; }
.workshop fieldset { margin: 20px 0 0; padding: 16px 0 0; border: 0; border-top: 1px solid var(--line); }
.workshop legend { padding: 0 8px 0 0; }
#status { min-height: 1.65em; color: var(--accent); }
@media (max-width: 600px) {
  .settings-grid { grid-template-columns: 1fr 1fr; }
  .settings-grid label:last-child { grid-column: 1 / -1; }
  .workshop .hero, .workshop .calc-card { padding: 18px; }
}