/* Dyeing Solution Tools — Dye Drop colours */
.ds-tool {
	--ds-navy: #1b2a4a;
	--ds-navy-soft: #eef1f7;
	--ds-yellow: #f2b705;
	--ds-red: #d93a2b;
	--ds-blue: #1f6fd1;
	--ds-green: #1e8e4e;
	--ds-text: #1d2433;
	--ds-muted: #5b6475;
	--ds-border: #d6dbe5;
	--ds-bg: #ffffff;
	max-width: 720px;
	margin: 24px auto;
	padding: 20px;
	background: var(--ds-bg);
	border: 1px solid var(--ds-border);
	border-top: 5px solid var(--ds-navy);
	border-radius: 10px;
	color: var(--ds-text);
	font-family: inherit;
	box-sizing: border-box;
}
.ds-tool *, .ds-tool *::before, .ds-tool *::after { box-sizing: border-box; }
.ds-tool__title { margin: 0 0 4px; font-size: 1.5rem; color: var(--ds-navy); }
.ds-tool__sub { margin: 0 0 16px; color: var(--ds-muted); font-size: .95rem; }

.ds-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.ds-tab {
	flex: 1 1 auto; min-width: 110px; padding: 10px 12px;
	border: 1px solid var(--ds-border); border-radius: 8px;
	background: var(--ds-navy-soft); color: var(--ds-navy);
	font-weight: 600; font-size: .9rem; cursor: pointer;
}
.ds-tab.is-active { background: var(--ds-navy); color: #fff; border-color: var(--ds-navy); }

.ds-panel { display: none; }
.ds-panel.is-active { display: block; }

.ds-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.ds-field { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; font-weight: 600; color: var(--ds-navy); }
.ds-field input, .ds-field select {
	width: 100%; padding: 10px 12px; font-size: 1rem;
	border: 1px solid var(--ds-border); border-radius: 8px; background: #fff; color: var(--ds-text);
}
.ds-field input:focus, .ds-field select:focus { outline: 2px solid var(--ds-blue); outline-offset: 1px; border-color: var(--ds-blue); }
.ds-hint { margin: 8px 0 0; font-size: .85rem; color: var(--ds-muted); }

.ds-compare { margin-top: 16px; padding: 10px 12px; border: 1px dashed var(--ds-border); border-radius: 8px; }
.ds-compare summary { cursor: pointer; font-weight: 600; color: var(--ds-navy); }
.ds-compare .ds-grid { margin-top: 10px; }

.ds-result {
	margin-top: 18px; padding: 16px; border-radius: 10px;
	background: var(--ds-navy); color: #fff;
}
.ds-result__main { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.ds-result__label { font-size: .95rem; opacity: .85; }
.ds-result__value { font-size: 2rem; font-weight: 700; color: var(--ds-yellow); }
.ds-result__status { margin-top: 10px; padding: 8px 10px; border-radius: 6px; font-weight: 600; font-size: .9rem; }
.ds-result__status.is-pass { background: var(--ds-green); }
.ds-result__status.is-fail { background: var(--ds-red); }

.ds-btn-reset {
	margin-top: 12px; padding: 8px 16px; border: 1px solid var(--ds-border);
	border-radius: 8px; background: #fff; color: var(--ds-navy); font-weight: 600; cursor: pointer;
}
.ds-btn-reset:hover { background: var(--ds-navy-soft); }

@media (max-width: 480px) {
	.ds-tool { padding: 14px; margin: 16px 0; }
	.ds-result__value { font-size: 1.7rem; }
}