/*!
 * CSS Portal — Unused CSS Finder (tool)
 * Builds on ../assets/css/code-tool.css (tokens, buttons, switches, panes, editor).
 */

.uc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.uc [hidden] { display: none !important; }
.uc code { font-family: var(--ct-mono); font-size: .92em; padding: 1px 5px; border-radius: 5px; background: var(--ct-surface-2); color: var(--ct-text); }
.uc-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.uc span, .uc b, .uc small, .uc i { line-height: inherit; }

/* ---------- Command-line promo ---------- */
.uc-cli {
	display: flex; align-items: center; flex-wrap: wrap; gap: 12px 16px;
	padding: 14px 16px;
	background: var(--ct-accent-soft);
	border: 1px solid color-mix(in srgb, var(--ct-accent) 28%, transparent);
	border-radius: var(--ct-radius);
}
.uc-cli > i { flex: none; font-size: 26px; color: var(--ct-accent); }
.uc-cli__body { flex: 1 1 260px; min-width: 0; }
.uc-cli__body strong { display: block; margin-bottom: 2px; font-size: 15px; color: var(--ct-text); }
.uc-cli__body p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ct-muted); }
.uc-cli__link {
	flex: none; display: inline-flex; align-items: center; gap: 6px;
	padding: 8px 14px; border-radius: 9px;
	background: var(--ct-accent); color: var(--ct-on-accent) !important;
	font-size: 14px; font-weight: 600; text-decoration: none !important; white-space: nowrap;
}
.uc-cli__link:hover { background: var(--ct-accent-hover); }

/* ---------- Mode tabs ---------- */
.uc-modes {
	display: flex; gap: 4px; padding: 4px; width: max-content; max-width: 100%;
	background: var(--ct-surface-2); border-radius: 11px;
}
.uc-mode {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 8px 16px; border: 0; border-radius: 8px;
	background: transparent; color: var(--ct-muted);
	font: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
}
.uc-mode i { font-size: 17px; }
.uc-mode:hover { color: var(--ct-text); }
.uc-mode.is-active { background: var(--ct-bg); color: var(--ct-text); box-shadow: 0 1px 3px rgba(15, 23, 42, .14); }
.uc-mode:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ct-accent-soft); }

.uc-panel { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }

/* ---------- URL ---------- */
.uc-url { display: flex; flex-wrap: wrap; gap: 10px; }
.uc-url__field {
	flex: 1 1 280px; min-width: 0; margin: 0;
	display: flex; align-items: center; gap: 8px;
	padding: 0 12px; height: 44px;
	background: var(--ct-bg); border: 1px solid var(--ct-border-strong); border-radius: 10px;
}
.uc-url__field:focus-within { border-color: var(--ct-accent); box-shadow: 0 0 0 3px var(--ct-accent-soft); }
.uc-url__field > i { color: var(--ct-muted); font-size: 18px; }
.uc-url__field input {
	flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; padding: 0;
	background: transparent; color: var(--ct-text); font: inherit; font-size: 15px;
}
.uc-url .ct-btn { height: 44px; }

.uc-note {
	display: flex; gap: 8px; margin: 0;
	font-size: 13px; line-height: 1.55; color: var(--ct-muted);
}
.uc-note > i { flex: none; font-size: 16px; margin-top: 1px; }

/* ---------- Paste ---------- */
.uc-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.uc-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.uc-split__js { grid-column: 1 / -1; }
.uc-split [data-uc="html"].ce, .uc-split [data-uc="css"].ce { height: clamp(260px, 42vh, 460px); }
.uc-split [data-uc="js"].ce { height: clamp(140px, 22vh, 260px); }
.uc-full { display: grid; gap: 10px; }
.uc-full [data-uc="page"].ce { height: clamp(300px, 52vh, 600px); }
.uc .ct-pane__title small { font-weight: 500; font-size: 12px; color: var(--ct-muted); margin-left: 4px; }
.uc-go { display: flex; justify-content: flex-end; }

/* ---------- Options ---------- */
.uc-options {
	background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: var(--ct-radius);
}
.uc-options summary {
	display: flex; align-items: center; gap: 8px; padding: 11px 16px;
	font-size: 14px; font-weight: 600; cursor: pointer; list-style: none; color: var(--ct-text);
}
.uc-options summary::-webkit-details-marker { display: none; }
.uc-options summary::after { content: ""; margin-left: auto; width: 8px; height: 8px; border-right: 2px solid var(--ct-muted); border-bottom: 2px solid var(--ct-muted); transform: rotate(45deg); transition: transform .15s; }
.uc-options[open] summary::after { transform: rotate(-135deg); }
.uc-options summary i { font-size: 17px; color: var(--ct-muted); }
.uc-options__body { display: grid; gap: 14px; padding: 4px 16px 16px; }
.uc-safelist { display: grid; gap: 6px; margin: 0; font-size: 14px; font-weight: 600; }
.uc-safelist small { display: block; font-weight: 400; font-size: 13px; color: var(--ct-muted); }
.uc-safelist input,
.uc-filter input {
	width: 100%; height: 38px; padding: 0 12px;
	background: var(--ct-bg); color: var(--ct-text);
	border: 1px solid var(--ct-border-strong); border-radius: 9px;
	font-family: var(--ct-mono); font-size: 13px;
}
.uc-safelist input:focus, .uc-filter input:focus { outline: none; border-color: var(--ct-accent); box-shadow: 0 0 0 3px var(--ct-accent-soft); }
.uc .ct-switch { line-height: 1.4; }

.uc-status { margin: 0; }

/* ---------- Results ---------- */
.uc-results { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; scroll-margin-top: 90px; }

.uc-summary {
	display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
}
.uc-stat {
	display: grid; gap: 2px; padding: 14px 16px;
	background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: var(--ct-radius);
}
.uc-stat b { font-size: 22px; font-weight: 700; line-height: 1.2; color: var(--ct-text); font-variant-numeric: tabular-nums; }
.uc-stat span { font-size: 13px; color: var(--ct-muted); }
.uc-stat.is-bad b { color: var(--ct-err); }
.uc-stat.is-good b { color: var(--ct-ok); }
.uc-meter { grid-column: 1 / -1; height: 8px; border-radius: 99px; background: var(--ct-surface-2); overflow: hidden; }
.uc-meter i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--ct-accent), var(--ct-ok)); }
.uc-kept { grid-column: 1 / -1; margin: 0; font-size: 13px; line-height: 1.6; color: var(--ct-muted); }
.uc-kept:empty { display: none; }

.uc-warn {
	display: flex; gap: 10px; margin: 0; padding: 12px 14px;
	font-size: 13.5px; line-height: 1.55; color: var(--ct-text);
	background: color-mix(in srgb, var(--ct-warn) 9%, transparent);
	border: 1px solid color-mix(in srgb, var(--ct-warn) 30%, transparent);
	border-radius: var(--ct-radius);
}
.uc-warn > i { flex: none; font-size: 18px; color: var(--ct-warn); }

.uc-card { background: var(--ct-bg); border: 1px solid var(--ct-border); border-radius: var(--ct-radius); overflow: hidden; }
.uc-card__head {
	display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px;
	padding: 10px 12px 10px 16px; background: var(--ct-surface); border-bottom: 1px solid var(--ct-border);
}
.uc-card__head h3 { margin: 0; font-size: 15px; font-weight: 700; color: var(--ct-text); }
.uc-filter { position: relative; flex: 1 1 180px; max-width: 320px; margin: 0; }
.uc-filter > i { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); color: var(--ct-muted); font-size: 15px; }
.uc-filter input { height: 34px; padding-left: 32px; font-family: inherit; }
.uc-count { font-size: 13px; color: var(--ct-muted); }
.uc-card__tools { display: flex; gap: 4px; margin-left: auto; }
.uc-hint { margin: 0; padding: 8px 16px; font-size: 12.5px; color: var(--ct-muted); border-bottom: 1px solid var(--ct-border); }

.uc-list { list-style: none; margin: 0; padding: 0; max-height: 520px; overflow: auto; }
.uc-item {
	display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px;
	padding: 8px 16px; border-bottom: 1px solid var(--ct-border);
}
.uc-item:last-child { border-bottom: 0; }
.uc-item:hover { background: var(--ct-surface); }
.uc-item label { display: flex; align-items: flex-start; gap: 10px; flex: 1 1 260px; min-width: 0; margin: 0; cursor: pointer; }
.uc-item input { flex: none; width: 16px; height: 16px; margin: 2px 0 0; accent-color: var(--ct-err); cursor: pointer; }
.uc-sel { font-family: var(--ct-mono); font-size: 13px; line-height: 1.5 !important; color: var(--ct-text); word-break: break-word; }
.uc-item.is-remove .uc-sel { color: var(--ct-err); }
.uc-meta { display: flex; flex-wrap: wrap; gap: 4px; }
.uc-tag {
	display: inline-block; padding: 2px 8px; border-radius: 99px;
	font-size: 11.5px; font-weight: 600; line-height: 1.5 !important; white-space: nowrap;
	background: var(--ct-surface-2); color: var(--ct-muted);
	max-width: 260px; overflow: hidden; text-overflow: ellipsis;
}
.uc-tag.is-ok { background: color-mix(in srgb, var(--ct-ok) 13%, transparent); color: var(--ct-ok); }
.uc-tag.is-bad { background: color-mix(in srgb, var(--ct-err) 12%, transparent); color: var(--ct-err); }
.uc-tag.is-warn { background: color-mix(in srgb, var(--ct-warn) 14%, transparent); color: var(--ct-warn); }
.uc-more { padding: 14px 16px; font-size: 13.5px; color: var(--ct-muted); text-align: center; }

.uc-files { display: flex; gap: 4px; padding: 8px 10px; overflow-x: auto; background: var(--ct-surface); border-bottom: 1px solid var(--ct-border); }
.uc-files:empty { display: none; }
.uc-file {
	flex: none; padding: 6px 12px; border: 1px solid transparent; border-radius: 8px;
	background: transparent; color: var(--ct-muted); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap;
	max-width: 340px; overflow: hidden; text-overflow: ellipsis;
}
.uc-file small { font-weight: 400; margin-left: 4px; }
.uc-file:hover { color: var(--ct-text); }
.uc-file.is-active { background: var(--ct-bg); color: var(--ct-text); border-color: var(--ct-border); }
.uc-out [data-uc="out"].ce { height: clamp(320px, 60vh, 640px); }

/* ---------- Small screens ---------- */
@media (max-width: 760px) {
	.uc-split { grid-template-columns: minmax(0, 1fr); }
	.uc-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.uc-modes { width: 100%; }
	.uc-mode { flex: 1; justify-content: center; padding: 8px 10px; }
	.uc-url .ct-btn { flex: 1 1 100%; justify-content: center; }
	.uc-go .ct-btn { width: 100%; justify-content: center; }
	.uc-go kbd { display: none; }
	.uc-filter { max-width: none; flex-basis: 100%; order: 5; }
	.uc .ct-pane__tools .ct-tool span { display: none; }
}