/*! CSS Portal — Color adjust tools: Darken Color, Lighten Color (builds on code-tool.css and generator-tool.css) */
.ca { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.ca [hidden] { display: none !important; }
.ca span, .ca small, .ca output, .ca code, .ca b { line-height: inherit; }
.ca .gt-card__head h2 { margin: 0; }
.ca-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ca-small { margin: 0; font-size: 12.5px; line-height: 1.5; color: var(--ct-muted); }
.ca .ct-tool.is-done { color: var(--ct-ok); }

/* ---------- top: input + controls | before/after ---------- */
.ca-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 20px; padding: 16px; }
.ca-left { display: grid; gap: 18px; align-content: start; }

.ca-color { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 14px; align-items: start; }
.ca-swatch {
	position: relative; display: block; width: 96px; height: 96px; margin: 0; border-radius: 14px; cursor: pointer;
	background: var(--c, #ccc); box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .12);
}
.ca-swatch::after { content: ""; position: absolute; right: 8px; bottom: 8px; width: 22px; height: 22px; border-radius: 6px; background: rgba(255, 255, 255, .9) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 256 256'%3E%3Cpath fill='%230f172a' d='M224 67.3a35.8 35.8 0 0 0-11.3-25.7c-14-13.2-36.7-12.7-50.6 1.1l-28.4 28.6-8.5-8.6a16 16 0 0 0-22.6 22.6l4.7 4.7-56 56A39.8 39.8 0 0 0 40 177.6l-11.3 26.6a12 12 0 0 0 2.5 13.2 13.3 13.3 0 0 0 9.4 4.6 14 14 0 0 0 4.8-.9l25.6-11a39.8 39.8 0 0 0 25.6-11.5l56-56 4.7 4.7a16 16 0 0 0 22.6-22.6l-8.6-8.5 28.7-28.7a35.6 35.6 0 0 0 10-24.7Z'/%3E%3C/svg%3E") center / 14px no-repeat; box-shadow: 0 1px 3px rgba(15, 23, 42, .2); }
.ca-swatch:focus-within { box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .12), 0 0 0 3px var(--ct-accent-soft), 0 0 0 5px var(--ct-accent); }
.ca-swatch input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; border: 0; padding: 0; }
.ca-fields { display: grid; gap: 8px; min-width: 0; }
.ca-label { margin: 0; font-size: 13px; font-weight: 600; color: var(--ct-text); }
.ca-fields input[type="text"], .ca-rgb input, .ca-amount input[type="number"] {
	box-sizing: border-box; width: 100%; height: 38px; padding: 0 10px; margin: 0;
	font: 500 14px/1 var(--ct-mono); color: var(--ct-text); background: var(--ct-bg);
	border: 1px solid var(--ct-border-strong); border-radius: 8px; outline: none;
}
.ca input:focus-visible { border-color: var(--ct-accent); box-shadow: 0 0 0 3px var(--ct-accent-soft); }
.ca-fields input[aria-invalid="true"] { border-color: var(--ct-err); }
.ca-msg { margin: 0; font-size: 12.5px; line-height: 1.45; color: var(--ct-err); }
.ca-msg:empty { display: none; }
.ca-rgb { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.ca-rgb label { position: relative; margin: 0; }
.ca-rgb span { position: absolute; left: 9px; top: 50%; transform: translateY(-50%); font-size: 11px; font-weight: 700; color: var(--ct-muted); pointer-events: none; }
.ca-rgb input { padding-left: 24px; padding-right: 4px; }
.ca input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
.ca input[type="number"]::-webkit-inner-spin-button, .ca input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.ca-control { display: grid; gap: 8px; margin: 0; }
.ca-control__row { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; font-weight: 600; color: var(--ct-text); }
.ca-amount { display: grid; grid-template-columns: minmax(0, 1fr) 76px; gap: 12px; align-items: center; }
.ca-amount label { position: relative; margin: 0; }
.ca-amount input[type="number"] { padding-right: 24px; text-align: right; }
.ca-amount label::after { content: "%"; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font: 600 13px/1 var(--ct-mono); color: var(--ct-muted); pointer-events: none; }
.ca input[type="range"] { width: 100%; margin: 0; accent-color: var(--ct-accent); cursor: pointer; }
.ca-seg { width: max-content; max-width: 100%; }
.ca-actions { display: flex; flex-wrap: wrap; gap: 4px; margin: -6px 0 0 -6px; }

/* before / after */
.ca-compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); min-height: 220px; border-radius: 14px; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .12); }
.ca-compare > div { display: grid; align-content: space-between; gap: 10px; padding: 14px 16px; background: var(--c); transition: background-color .15s; }
.ca-compare small { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; opacity: .8; }
.ca-compare b { font: 700 clamp(18px, 2.4vw, 26px)/1.1 var(--ct-mono); text-transform: uppercase; overflow-wrap: anywhere; }
.ca-compare > div + div b { font-size: clamp(22px, 3vw, 32px); }

.ca-right { display: grid; gap: 12px; align-content: start; }
.ca-contrast { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.ca-contrast__item { display: flex; align-items: center; gap: 10px; padding: 8px 10px 8px 8px; background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: 10px; }
.ca-contrast__sample { display: grid; place-items: center; flex: none; width: 40px; height: 40px; border-radius: 8px; font-weight: 700; font-size: 17px; box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .1); }
.ca-contrast__text { display: grid; flex: 1; min-width: 0; }
.ca-contrast__text b { font-size: 13px; color: var(--ct-text); }
.ca-contrast__text small { font: 500 12.5px/1.4 var(--ct-mono); color: var(--ct-muted); }
.ca-badge { flex: none; padding: 3px 8px; border-radius: 99px; font-size: 11.5px; font-weight: 700; white-space: nowrap; }
.ca-badge.is-ok { color: var(--ct-ok); background: color-mix(in srgb, var(--ct-ok) 13%, transparent); }
.ca-badge.is-bad { color: var(--ct-err); background: color-mix(in srgb, var(--ct-err) 12%, transparent); }

/* ---------- formats ---------- */
.ca-formats { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; padding: 16px 16px 8px; }
.ca-code { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 0 16px 16px; }
.ca-format {
	display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 2px 8px;
	padding: 9px 8px 9px 12px; background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: 10px;
}
.ca-format__label { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ct-muted); }
.ca-format__label small { margin-left: 8px; font-weight: 400; letter-spacing: 0; text-transform: none; }
.ca-format__value { grid-column: 1; padding: 0; background: none; font: 500 13.5px/1.4 var(--ct-mono); color: var(--ct-text); overflow-wrap: anywhere; }
.ca-format .ct-tool { grid-column: 2; grid-row: 1 / span 2; }

/* ---------- scale ---------- */
.ca-hint { padding: 12px 16px 0; }
.ca-scale { display: grid; grid-template-columns: repeat(11, minmax(0, 1fr)); gap: 6px; margin: 0; padding: 10px 16px 16px; list-style: none; }
.ca-scale li { margin: 0; min-width: 0; }
.ca-step {
	display: grid; align-content: space-between; gap: 18px; width: 100%; min-height: 92px; padding: 8px; margin: 0;
	border: 0; border-radius: 10px; background: var(--c); cursor: pointer; text-align: left;
	box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .1); transition: transform .12s;
}
.ca-step:hover { transform: translateY(-2px); }
.ca-step:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ct-bg), 0 0 0 5px var(--ct-accent); }
.ca-step.is-current { box-shadow: 0 0 0 2px var(--ct-bg), 0 0 0 4px var(--ct-text); }
.ca-step__pct { font-size: 11.5px; font-weight: 600; opacity: .85; }
.ca-step__hex { font: 600 11.5px/1.2 var(--ct-mono); text-transform: uppercase; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 900px) {
	.ca-top { grid-template-columns: minmax(0, 1fr); }
	.ca-scale { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
	.ca-color { grid-template-columns: 76px minmax(0, 1fr); }
	.ca-swatch { width: 76px; height: 76px; }
	.ca-compare { grid-template-columns: minmax(0, 1fr); min-height: 0; }
	.ca-compare > div { min-height: 96px; }
	.ca-contrast { grid-template-columns: minmax(0, 1fr); }
	.ca-scale { grid-template-columns: repeat(4, minmax(0, 1fr)); }
	.ca-step { min-height: 76px; padding: 7px 6px; }
	.ca-step__hex { font-size: 10.5px; letter-spacing: -.02em; }
}