/*
 * Frequency Finder styles.
 * Palette mirrors config.php; layout values remain component-specific.
 */
.fff-tool {
	--fff-primary: #5B4BFF;
	--fff-secondary: #8B5CF6;
	--fff-accent: #22C55E;
	--fff-bg: #F7F8FC;
	--fff-surface: #FFFFFF;
	--fff-text: #172033;
	--fff-muted: #5F6B7A;
	--fff-border: #DCE1EA;
	--fff-error: #DC2626;
	color: var(--fff-text);
	font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	line-height: 1.55;
}
.fff-tool *, .fff-tool *::before, .fff-tool *::after { box-sizing: border-box; }
.fff-tool [hidden] { display: none !important; }
.fff-shell { max-width: 1100px; margin: 0 auto; padding: 24px 16px; border-radius: 24px; background: var(--fff-bg); }
.fff-header { max-width: 760px; margin-bottom: 24px; }
.fff-header h2 { margin: 0; font-size: clamp(2rem, 6vw, 3.25rem); line-height: 1.08; }
.fff-header p:last-child { color: var(--fff-muted); font-size: 1.05rem; }
.fff-eyebrow, .fff-result-kicker { margin: 0 0 8px; color: var(--fff-primary); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.fff-grid, .fff-lower-grid { display: grid; gap: 18px; }
.fff-panel, .fff-info, .fff-history { padding: 20px; border: 1px solid var(--fff-border); border-radius: 18px; background: var(--fff-surface); box-shadow: 0 14px 35px rgba(23,32,51,.06); }
.fff-direction { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 0 0 20px; padding: 0; border: 0; }
.fff-direction legend { margin-bottom: 8px; font-weight: 800; }
.fff-direction label { position: relative; cursor: pointer; }
.fff-direction input { position: absolute; opacity: 0; pointer-events: none; }
.fff-direction span { display: block; padding: 12px 14px; border: 1px solid var(--fff-border); border-radius: 11px; font-weight: 750; text-align: center; }
.fff-direction input:checked + span { border-color: var(--fff-primary); background: #EEF0FF; color: #3326B8; box-shadow: inset 0 0 0 1px var(--fff-primary); }
.fff-direction input:focus-visible + span { outline: 3px solid rgba(91,75,255,.35); outline-offset: 3px; }
.fff-note-fields, .fff-options { display: grid; grid-template-columns: 1fr; gap: 14px; }
.fff-field { margin-bottom: 15px; }
.fff-field label { display: block; margin-bottom: 7px; font-weight: 750; }
.fff-field input, .fff-field select { width: 100%; min-height: 46px; padding: 9px 12px; border: 1px solid var(--fff-border); border-radius: 10px; background: var(--fff-surface); color: var(--fff-text); font: inherit; }
.fff-field input:focus-visible, .fff-field select:focus-visible, .fff-tool button:focus-visible { outline: 3px solid rgba(91,75,255,.35); outline-offset: 3px; }
.fff-error { margin: 4px 0 14px; padding: 12px; border: 1px solid #FFCACA; border-radius: 10px; background: #FFF1F1; color: #9B1C1C; }
.fff-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.fff-button, .fff-link-button { appearance: none; border: 0; cursor: pointer; font: inherit; font-weight: 800; }
.fff-button { min-height: 46px; padding: 10px 18px; border-radius: 11px; }
.fff-button-primary { background: var(--fff-primary); color: #fff; }
.fff-button-secondary { background: #EEF0FF; color: #3326B8; }
.fff-button:hover { filter: brightness(.96); transform: translateY(-1px); }
.fff-result { border-top: 5px solid var(--fff-primary); }
.fff-result-main { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; padding: 8px 0 20px; }
.fff-result-main strong { font-size: clamp(2.25rem, 9vw, 4.25rem); line-height: 1; overflow-wrap: anywhere; }
.fff-result-main span { color: var(--fff-secondary); font-size: 1.25rem; font-weight: 800; }
.fff-result-list { display: grid; grid-template-columns: 1fr; gap: 9px; margin: 0; }
.fff-result-list div { padding: 12px; border-radius: 11px; background: var(--fff-bg); }
.fff-result-list dt { color: var(--fff-muted); font-size: .78rem; }
.fff-result-list dd { margin: 4px 0 0; font-weight: 800; overflow-wrap: anywhere; }
.fff-lower-grid { margin-top: 18px; }
.fff-info h3, .fff-history h3 { margin-top: 0; }
.fff-privacy { font-weight: 750; }
.fff-history-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.fff-link-button { padding: 5px; background: transparent; color: var(--fff-primary); text-decoration: underline; }
.fff-history-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.fff-history-list li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--fff-border); }
.fff-history-list small { color: var(--fff-muted); text-align: right; }
.fff-empty { color: var(--fff-muted); }
@media (min-width: 640px) {
	.fff-direction { grid-template-columns: 1fr 1fr; }
	.fff-note-fields { grid-template-columns: repeat(3, 1fr); }
	.fff-options { grid-template-columns: 1fr 1fr; }
	.fff-result-list { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 800px) {
	.fff-shell { padding: 34px; }
	.fff-grid { grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); align-items: start; }
	.fff-lower-grid { grid-template-columns: 1fr 1fr; }
	.fff-panel, .fff-info, .fff-history { padding: 26px; }
}
@media (prefers-reduced-motion: reduce) {
	.fff-tool *, .fff-tool *::before, .fff-tool *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}