/* Freshness Signal Checker — styles */
.frs-tool {
	--frs-bg: #ffffff; --frs-fg: #1a1a1a; --frs-muted: #6b7280; --frs-border: #e5e7eb;
	--frs-primary: #2563eb; --frs-ok: #16a34a; --frs-warn: #d97706; --frs-bad: #dc2626; --frs-info: #0891b2;
	--frs-card: #f9fafb;
	max-width: 900px; margin: 0 auto; color: var(--frs-fg);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
	.frs-tool { --frs-bg: #111827; --frs-fg: #f3f4f6; --frs-muted: #9ca3af; --frs-border: #374151; --frs-card: #1f2937; }
}
.frs-label { display: block; font-weight: 600; margin-bottom: .5rem; }
.frs-input-group { display: flex; gap: .5rem; flex-wrap: wrap; }
.frs-input { flex: 1 1 260px; min-width: 0; padding: .65rem .85rem; border: 1px solid var(--frs-border); border-radius: 8px; font-size: 1rem; background: var(--frs-bg); color: var(--frs-fg); }
.frs-input:focus-visible, .frs-btn:focus-visible { outline: 2px solid var(--frs-primary); outline-offset: 1px; }
.frs-btn { padding: .65rem 1.1rem; border-radius: 8px; border: 1px solid var(--frs-border); font-size: 1rem; cursor: pointer; background: var(--frs-bg); color: var(--frs-fg); display: inline-flex; align-items: center; gap: .5rem; }
.frs-btn-primary { background: var(--frs-primary); border-color: var(--frs-primary); color: #fff; font-weight: 600; }
.frs-btn-primary:disabled { opacity: .7; cursor: not-allowed; }
.frs-btn-ghost { background: transparent; }
.frs-spinner { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.5); border-top-color: #fff; border-radius: 50%; animation: frs-spin .7s linear infinite; }
@keyframes frs-spin { to { transform: rotate(360deg); } }
.frs-example { margin: .5rem 0 0; font-size: .85rem; color: var(--frs-muted); }
.frs-example-link { background: none; border: none; padding: 0; color: var(--frs-primary); text-decoration: underline; cursor: pointer; font-size: inherit; }
.frs-caveat { margin: .75rem 0 0; padding: .65rem .85rem; font-size: .82rem; line-height: 1.45; color: var(--frs-muted); background: var(--frs-card); border: 1px solid var(--frs-border); border-radius: 8px; }
.frs-error { margin-top: .75rem; padding: .75rem 1rem; border-radius: 8px; background: rgba(220,38,38,.1); color: var(--frs-bad); font-size: .9rem; }

.frs-results { margin-top: 2rem; }
.frs-summary-row { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; margin-bottom: 1rem; }
.frs-score-circle { width: 72px; height: 72px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 700; color: #fff; flex-shrink: 0; }
.frs-score-good { background: var(--frs-ok); } .frs-score-ok { background: var(--frs-warn); } .frs-score-bad { background: var(--frs-bad); }
.frs-results-title { margin: 0; font-size: 1.2rem; }
.frs-results-url { margin: .15rem 0 0; color: #fff; font-size: .9rem; word-break: break-all; }
.frs-results-note { margin: .15rem 0 0; color: #fff; font-size: .8rem; }
.frs-actions { margin-left: auto; display: flex; gap: .5rem; flex-wrap: wrap; }

.frs-findings { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; margin-bottom: 1rem; }
.frs-finding { display: flex; gap: .75rem; align-items: flex-start; padding: .7rem .9rem; border: 1px solid var(--frs-border); border-left: 4px solid var(--frs-info); border-radius: 8px; background: var(--frs-card); }
.frs-finding-good { border-left-color: var(--frs-ok); } .frs-finding-warn { border-left-color: var(--frs-warn); } .frs-finding-bad { border-left-color: var(--frs-bad); }
.frs-finding-badge { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--frs-info); color: #fff; font-size: .75rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.frs-finding-good .frs-finding-badge { background: var(--frs-ok); } .frs-finding-warn .frs-finding-badge { background: var(--frs-warn); } .frs-finding-bad .frs-finding-badge { background: var(--frs-bad); }
.frs-finding-text { margin: 0; font-size: .9rem; line-height: 1.5; }
.frs-details { margin-bottom: 1rem; font-size: .88rem; }
.frs-details summary { cursor: pointer; color: #fff; }
.frs-list { margin: .5rem 0 0; padding-left: 1.2rem;color: #fff; }

.frs-sub { font-size: 1rem; margin: 1.25rem 0 .5rem; color:#fff;}
.frs-timeline { display: grid;grid-template-columns: repeat(2, 1fr); gap: .35rem; margin-bottom: 1.25rem; }
.frs-tl-row { display: flex; gap: .6rem; align-items: flex-start; padding: .5rem .7rem; background: var(--frs-card); border: 1px solid var(--frs-border); border-radius: 6px; }
.frs-tl-server { border-style: dashed; }
.frs-chip { flex-shrink: 0; min-width: 4.8rem; text-align: center; padding: .1rem .4rem; border-radius: 5px; font-size: .7rem; font-weight: 700; color: #fff; background: var(--frs-muted); }
.frs-chip-pub { background: var(--frs-primary); } .frs-chip-mod { background: var(--frs-ok); }
.frs-tl-main { min-width: 0; flex: 1; }
.frs-tl-source { font-size: .74rem; color: var(--frs-muted); word-break: break-word; }
.frs-tl-date { font-size: .88rem; word-break: break-word; }
.frs-muted { color: var(--frs-muted); font-size: .88rem; }

.frs-checks { display: grid;grid-template-columns: repeat(2, 1fr); gap: .75rem; }
.frs-card { background: var(--frs-card); border: 1px solid var(--frs-border); border-left: 4px solid var(--frs-border); border-radius: 8px; padding: .85rem 1rem; }
.frs-card-pass { border-left-color: var(--frs-ok); } .frs-card-warn { border-left-color: var(--frs-warn); } .frs-card-fail { border-left-color: var(--frs-bad); } .frs-card-info { border-left-color: var(--frs-info); }
.frs-card-head { display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap; }
.frs-card-title { margin: 0; font-size: 1rem; }
.frs-pill { padding: .15rem .6rem; border-radius: 999px; font-size: .74rem; font-weight: 700; color: #fff; background: var(--frs-muted); }
.frs-pill-pass { background: var(--frs-ok); } .frs-pill-warn { background: var(--frs-warn); } .frs-pill-fail { background: var(--frs-bad); } .frs-pill-info { background: var(--frs-info); }
.frs-card-detail { margin: .4rem 0 0; font-size: .9rem; line-height: 1.5; }
.frs-items { margin: .5rem 0 0; padding-left: 1.2rem; font-size: .85rem; line-height: 1.5; word-break: break-word; }
.frs-tip { margin: .6rem 0 0; font-size: .84rem; color: var(--frs-muted); line-height: 1.5; }

@media (max-width: 480px) {
	.frs-actions { margin-left: 0; width: 100%; }
	.frs-summary-row { flex-direction: column; align-items: flex-start; }
}
@media print {
	.frs-input-row, .frs-actions { display: none !important; }
}