/*
 * Orto in Balcone — Tool UX enhancement (front-end).
 * Companion del mu-plugin oib-tools-ux.php. Aggiunge profondità e
 * interattività alla sezione strumenti senza toccare il layout base del
 * companion. Colori via le variabili del companion (--oib-*) quando le
 * sezioni lo espongono; fallback tema per la nav sticky.
 */

/* ---------- 1) Barra sticky di navigazione a chip ---------- */
.oib-tools-nav {
	position: sticky;
	top: .5rem;
	z-index: 40;
	margin: 1.25rem 0 1.5rem;
	/* default = tema NOTTE (fondo scuro della pagina) */
	--nav-bg: rgba(24, 36, 29, .9);
	--nav-line: rgba(255, 255, 255, .14);
	--nav-ink: #f3f0e6;
	--nav-accent: #9fd0b6;
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}
/* right-edge fade: signals that the chip track scrolls (15 tool) */
.oib-tools-nav::after {
	content: "";
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	width: 2.75rem;
	pointer-events: none;
	background: linear-gradient( to right, transparent, var(--nav-bg) );
	border-radius: 0 999px 999px 0;
}

/* tema GIORNO: il tema aggiunge html.oib-light → la nav resta leggibile sul
   fondo chiaro */
html.oib-light .oib-tools-nav {
	--nav-bg: rgba(243, 240, 230, .92);
	--nav-line: rgba(38, 62, 50, .16);
	--nav-ink: #203229;
	--nav-accent: #285f49;
}

.oib-tools-nav__track {
	display: flex;
	gap: .5rem;
	padding: .55rem;
	overflow-x: auto;
	scrollbar-width: thin;
	border: 1px solid var(--nav-line);
	border-radius: 999px;
	background: var(--nav-bg);
	box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
	-webkit-overflow-scrolling: touch;
}
.oib-tools-nav__track::-webkit-scrollbar { height: 10px; }
.oib-tools-nav__track::-webkit-scrollbar-thumb {
	background: var(--nav-line);
	border-radius: 999px;
}

.oib-tools-nav__chip {
	display: inline-flex;
	align-items: center;
	gap: .4rem;
	flex: 0 0 auto;
	padding: .42rem .7rem .42rem .5rem;
	border-radius: 999px;
	border: 1px solid transparent;
	color: var(--nav-ink);
	font-size: .8rem;
	font-weight: 700;
	line-height: 1;
	white-space: nowrap;
	text-decoration: none;
	transition: transform .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
}
.oib-tools-nav__chip b {
	display: grid;
	place-items: center;
	width: 1.35rem;
	height: 1.35rem;
	border-radius: 50%;
	background: color-mix(in srgb, var(--nav-accent) 16%, transparent);
	color: var(--nav-accent);
	font-size: .7rem;
	font-weight: 800;
	transition: background .16s ease, color .16s ease;
}
.oib-tools-nav__chip:hover {
	transform: translateY(-1px);
	border-color: var(--nav-line);
	background: rgba(255, 255, 255, .08);
}
html.oib-light .oib-tools-nav__chip:hover {
	background: rgba(255, 255, 255, .55);
}
.oib-tools-nav__chip.is-active {
	background: var(--nav-accent);
	border-color: var(--nav-accent);
	color: #fff;
}
.oib-tools-nav__chip.is-active b {
	background: rgba(255, 255, 255, .22);
	color: #fff;
}

/* ---------- 2) Card tool: hover-lift + barra d'accento + reveal ---------- */
.oib-tool {
	position: relative;
	overflow: hidden;
	transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
/* barra d'accento in alto, appare al hover */
.oib-tool::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: linear-gradient(90deg, #285f49, #6f986d 55%, #bb6546);
	transform: scaleX(0);
	transform-origin: left center;
	transition: transform .3s ease;
	pointer-events: none;
}
.oib-tool:hover {
	transform: translateY(-3px);
	box-shadow: 0 14px 34px rgba(0, 0, 0, .16);
	border-color: rgba(38, 62, 50, .3);
}
.oib-tool:hover::before { transform: scaleX(1); }

/* illustrazione: leggera "respirazione" al hover */
.oib-tool .oib-tool-visual img,
.oib-tool .oib-tool-visual {
	transition: transform .4s ease;
}
.oib-tool:hover .oib-tool-visual { transform: scale(1.03) rotate(-.4deg); }

/* reveal al scroll (il JS aggiunge oib-reveal / oib-revealed) */
.oib-tool.oib-reveal {
	opacity: 0;
	transform: translateY(18px);
}
.oib-tool.oib-reveal.oib-revealed {
	opacity: 1;
	transform: translateY(0);
	transition: opacity .5s ease, transform .5s ease;
}

/* ---------- 3) Pulsante: stato "in calcolo" ---------- */
.oib-tool button {
	position: relative;
	transition: transform .14s ease, background .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.oib-tool button:hover {
	background: #1c4736;
	box-shadow: 0 6px 18px rgba(28, 71, 54, .35);
	transform: translateY(-1px);
}
.oib-tool button:active { transform: translateY(0); }
.oib-tool button.oib-is-busy {
	opacity: .7;
	cursor: progress;
}
/* spinner minimo sul pulsante */
.oib-tool button.oib-is-busy::after {
	content: "";
	position: absolute;
	top: 50%;
	right: .9rem;
	width: .8rem;
	height: .8rem;
	margin-top: -.4rem;
	border: 2px solid rgba(255, 255, 255, .45);
	border-top-color: #fff;
	border-radius: 50%;
	animation: oib-spin .7s linear infinite;
}
@keyframes oib-spin { to { transform: rotate(360deg); } }

/* ---------- 4) Risultato: animato + highlight ---------- */
/* v1.0.3 — box risultato SCURO (parita tema notte): non e piu un blocco
   bianco/illegibile. Sfondo SCURATO (hardcode #1a271f, NON var(--oib-surface):
   la card .oib-tool ridefinisce --oib-surface a cream #f8f5ec e verrebbe ereditata).
   Testo --oib-foam (chiaro, NON ridefinito dalla card) + bordo --oib-border. */
.oib-tool__result {
	--oib-res-bg: #1a271f;
	position: relative;
	background:
		linear-gradient(180deg, rgba(111, 152, 109, .20), rgba(111, 152, 109, .04)),
		var(--oib-res-bg);
	border: 1px solid var(--oib-border, rgba(208, 129, 89, .30));
	border-radius: 1rem;
	padding: 1rem 1.15rem;
	box-shadow: 0 12px 30px rgba(0, 0, 0, .38);
}
.oib-tool__result h3 {
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.05rem;
	letter-spacing: -.01em;
	color: var(--oib-foam, #eef3ea) !important;
	margin: 0 0 .5rem;
}
.oib-tool__result ul {
	margin: 0;
	padding-left: 1.1rem;
	display: grid;
	gap: .4rem;
}
.oib-tool__result li {
	line-height: 1.5;
	color: var(--oib-foam, #eef3ea) !important;
}
.oib-tool__result li::marker { color: #e0936f; }
.oib-tool__result.oib-result-in {
	animation: oib-res-in .42s cubic-bezier(.2, .8, .3, 1) both;
}
@keyframes oib-res-in {
	from { opacity: 0; transform: translateY(12px); }
	to { opacity: 1; transform: translateY(0); }
}

/* ---------- 5) Errore: messaggio + shake ---------- */
.oib-tool__error {
	margin: .75rem 0 0;
	padding: .65rem .85rem;
	border-radius: .7rem;
	border: 1px solid rgba(187, 101, 70, .5);
	background: rgba(187, 101, 70, .12);
	color: #8a3f26;
	font-size: .85rem;
	font-weight: 600;
}
.oib-tool.oib-shake {
	animation: oib-shake .4s ease;
}
@keyframes oib-shake {
	0%, 100% { transform: translateX(0); }
	20% { transform: translateX(-7px); }
	40% { transform: translateX(6px); }
	60% { transform: translateX(-4px); }
	80% { transform: translateX(3px); }
}

/* ---------- 6) Accessibilità: focus visibili ---------- */
.oib-tools-nav__chip:focus-visible,
.oib-tool button:focus-visible {
	outline: 2px solid #285f49;
	outline-offset: 2px;
}

/* ---------- 7) Mobile ---------- */
@media (max-width: 560px) {
	.oib-tools-nav { top: .25rem; margin-top: .75rem; }
	.oib-tools-nav__chip { font-size: .74rem; padding: .4rem .6rem .4rem .45rem; }
	.oib-tools-nav__chip span { max-width: 7.5rem; overflow: hidden; text-overflow: ellipsis; }
	.oib-tool { padding: 1.1rem; }
}

/* ---------- 8) Rispetta reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
	.oib-tools-nav__chip,
	.oib-tool,
	.oib-tool .oib-tool-visual,
	.oib-tool button,
	.oib-tool__result {
		transition: none !important;
		animation: none !important;
	}
	.oib-tool.oib-reveal { opacity: 1 !important; transform: none !important; }
}