/*! CSS Portal — CSS color-mix() Calculator */
.cm { display: grid; gap: 16px; }
.cm [hidden] { display: none !important; }
.cm .gt-card__head h2 { margin: 0; }
.cm-checker { background-image: repeating-conic-gradient(#cbd5e1 0 25%, #fff 0 50%); background-size: 14px 14px; }

/* the two colours */
.cm-inputs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 16px; }
.cm-color { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 14px; align-items: start; }
.cm-swatch { width: 88px; height: 88px; border-radius: 12px; background: linear-gradient(var(--c), var(--c)), repeating-conic-gradient(#cbd5e1 0 25%, #fff 0 50%) 0 0 / 12px 12px; box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .12); }
.cm-fields { display: grid; gap: 8px; min-width: 0; }
.cm-fields > label { display: grid; gap: 6px; margin: 0; font-size: 13px; font-weight: 600; color: var(--ct-text); }
.cm-fields input[type="text"], .cm select { box-sizing: border-box; width: 100%; height: 38px; padding: 0 10px; font: 500 14px/1 var(--ct-mono); color: var(--ct-text); background: var(--ct-bg); border: 1px solid var(--ct-border); border-radius: 8px; outline: none; }
.cm select { font-family: inherit; font-size: 14px; cursor: pointer; }
.cm-fields input[type="text"]:focus, .cm select:focus-visible { border-color: var(--ct-accent); box-shadow: 0 0 0 3px var(--ct-accent-soft); }
.cm-fields input[aria-invalid="true"] { border-color: var(--ct-err); }
.cm-msg { margin: 0; font-size: 12.5px; color: var(--ct-err); }
.cm-msg:empty { display: none; }
.cm-row { display: flex; align-items: center; gap: 10px; }
.cm-row input[type="color"] { flex: none; width: 44px; height: 34px; padding: 2px; background: var(--ct-bg); border: 1px solid var(--ct-border); border-radius: 8px; cursor: pointer; }
.cm-row input[type="range"] { flex: 1; min-width: 0; }
.cm-row output { width: 44px; text-align: right; font-size: 13px; font-variant-numeric: tabular-nums; color: var(--ct-muted); }
@media (max-width: 760px) { .cm-inputs { grid-template-columns: minmax(0, 1fr); } }

/* controls + result */
.cm-mixer { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; padding: 16px; }
@media (max-width: 860px) { .cm-mixer { grid-template-columns: minmax(0, 1fr); } }
.cm-controls { display: grid; gap: 14px; align-content: start; }
.cm-controls label { display: grid; gap: 6px; margin: 0; font-size: 13px; font-weight: 600; color: var(--ct-text); }
.cm-label-row { display: flex; justify-content: space-between; }
.cm-label-row output { font-weight: 600; color: var(--ct-accent); font-variant-numeric: tabular-nums; }
.cm-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.cm-result { display: grid; gap: 10px; align-content: start; }
.cm-result__swatch { display: grid; align-items: end; min-height: 150px; border-radius: 12px; background: linear-gradient(var(--c), var(--c)), repeating-conic-gradient(#cbd5e1 0 25%, #fff 0 50%) 0 0 / 14px 14px; box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .12); overflow: hidden; }
.cm-result__swatch span { justify-self: start; margin: 10px; padding: 5px 10px; font: 600 13px/1 var(--ct-mono); color: #0f172a; background: rgba(255, 255, 255, .88); border-radius: 6px; }
.cm-strip { position: relative; height: 28px; border-radius: 8px; background: var(--g), repeating-conic-gradient(#cbd5e1 0 25%, #fff 0 50%) 0 0 / 10px 10px; box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .12); }
.cm-strip::after { content: ""; position: absolute; top: -4px; bottom: -4px; left: var(--at); width: 4px; margin-left: -2px; background: #fff; border-radius: 2px; box-shadow: 0 0 0 1px rgba(15, 23, 42, .5); }
.cm-small { margin: 0; font-size: 12.5px; color: var(--ct-muted); }

/* chips */
.cm-chips { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 10px; margin: 0; padding: 16px; list-style: none; }
.cm-chips li { display: grid; gap: 5px; margin: 0; text-align: center; font: 500 11px/1.3 var(--ct-mono); color: var(--ct-muted); }
.cm-space, .cm-var { display: block; width: 100%; aspect-ratio: 1.4; margin: 0; padding: 0; border: 0; border-radius: 8px; cursor: pointer; background: linear-gradient(var(--c), var(--c)), repeating-conic-gradient(#cbd5e1 0 25%, #fff 0 50%) 0 0 / 10px 10px; box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .1); }
.cm-space:focus-visible, .cm-var:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ct-accent-soft), 0 0 0 5px var(--ct-accent); }
.cm-space.is-current, .cm-var.is-current { box-shadow: 0 0 0 2px var(--ct-bg), 0 0 0 4px var(--ct-text); }
.cm-var.is-done { box-shadow: 0 0 0 2px var(--ct-bg), 0 0 0 4px var(--ct-ok); }

/* formats (same look as the colour converter) */
.cc-formats { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px; padding: 16px; }
.cc-format { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 8px; align-items: center; padding: 10px 12px; background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: 10px; }
.cc-format--wide { grid-column: 1 / -1; }
.cc-format__label { font-size: 11.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--ct-muted); }
.cc-format__label small { font-weight: 500; letter-spacing: 0; text-transform: none; }
.cc-format__value { grid-column: 1; font: 500 13.5px/1.4 var(--ct-mono); color: var(--ct-text); overflow-wrap: anywhere; background: none; padding: 0; }
.cc-copy { grid-column: 2; grid-row: 1 / span 2; }
.cm .ct-tool.is-done { color: var(--ct-ok); }