/* ATIM – Décodeur de trames ACW */

:root {
	--green: #3c8d3a;
	--green-dark: #2b6b2a;
	--green-soft: #e8f3e7;
	--orange: #f39200;
	--orange-soft: #fff3e0;
	--red: #c62828;
	--red-soft: #fdecea;
	--bg: #f4f6f8;
	--card: #ffffff;
	--text: #1f2933;
	--muted: #66727f;
	--border: #e1e6eb;
	--chip: #eef1f4;
	--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);
	--radius: 14px;
	--page: 1200px;
	--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

/* Dark theme: follows the system, unless a theme is chosen with the switch (data-theme) */
@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		--green-soft: #1d2f1d;
		--orange-soft: #33270f;
		--red-soft: #3a1c1c;
		--bg: #12161b;
		--card: #1b2128;
		--text: #e6eaee;
		--muted: #9aa5b1;
		--border: #2c343d;
		--chip: #262e37;
		--shadow: 0 1px 2px rgba(0, 0, 0, .4);
	}
}

:root[data-theme="dark"] {
	--green-soft: #1d2f1d;
	--orange-soft: #33270f;
	--red-soft: #3a1c1c;
	--bg: #12161b;
	--card: #1b2128;
	--text: #e6eaee;
	--muted: #9aa5b1;
	--border: #2c343d;
	--chip: #262e37;
	--shadow: 0 1px 2px rgba(0, 0, 0, .4);
}

* { box-sizing: border-box; }

body {
	margin: 0;
	overflow-x: hidden;
	background: var(--bg);
	color: var(--text);
	font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--green); }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* ---------- header ---------- */

.hero {
	background: linear-gradient(rgba(8, 18, 32, .55), rgba(8, 18, 32, .75)), url("../img/codecs4.png") center / cover;
	color: #fff;
	padding: 28px 16px 72px;
}

.hero-inner {
	max-width: var(--page);
	margin: 0 auto;
	display: flex;
	align-items: center;
	gap: 20px;
}

.brand img {
	height: 80px;
	display: block;
	filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .35));
}

.hero-text { flex: 1; }
.hero h1 { margin: 0; font-size: 28px; letter-spacing: .2px; }
.hero p { margin: 4px 0 0; opacity: .85; }

.switches { display: flex; gap: 10px; align-items: center; }

.lang-switch, .theme-switch {
	display: flex;
	background: rgba(255, 255, 255, .15);
	border-radius: 999px;
	padding: 3px;
}

.lang-switch button, .theme-switch button {
	border: 0;
	background: transparent;
	color: #fff;
	font-weight: 600;
	padding: 6px 14px;
	border-radius: 999px;
	cursor: pointer;
}

.lang-switch button.active, .theme-switch button.active { background: #fff; color: var(--green-dark); }
.theme-switch button { padding: 6px 10px; display: grid; place-items: center; }
.theme-switch svg { width: 16px; height: 16px; display: block; }

/* ---------- layout ---------- */

.container {
	max-width: calc(var(--page) + 32px);
	margin: -48px auto 0;
	padding: 0 16px 32px;
}

.card {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: var(--shadow);
	padding: 22px;
	margin-bottom: 16px;
}

.step-title { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.step-title h2 { margin: 0; font-size: 18px; }
.step {
	width: 26px; height: 26px;
	border-radius: 50%;
	background: var(--green);
	color: #fff;
	display: grid; place-items: center;
	font-weight: 700; font-size: 14px;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }
.grow { flex: 1; min-width: 220px; }

input, select {
	font: inherit;
	color: var(--text);
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 10px 12px;
	min-height: 44px;
	width: 100%;
}

input:focus, select:focus { outline: 2px solid var(--green); outline-offset: 0; border-color: var(--green); }
#frame { font-family: var(--mono); font-size: 16px; letter-spacing: .5px; }

button.primary {
	align-self: flex-end;
	background: var(--green);
	color: #fff;
	border: 0;
	border-radius: 10px;
	padding: 0 22px;
	min-height: 44px;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

button.primary:hover { background: var(--green-dark); }

button.ghost {
	background: var(--chip);
	color: var(--text);
	border: 0;
	border-radius: 8px;
	padding: 6px 12px;
	font: inherit;
	font-size: 13px;
	cursor: pointer;
}

button.ghost:hover { filter: brightness(.95); }

/* ---------- product ---------- */

.product-row { display: flex; gap: 20px; align-items: flex-end; flex-wrap: wrap; }

.product-info {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 8px 14px 8px 8px;
	border-radius: 12px;
	background: var(--green-soft);
	flex: 1;
	min-width: 260px;
}

.product-info img {
	width: 64px; height: 64px;
	object-fit: contain;
	background: #fff;
	border-radius: 10px;
}

.product-name { font-weight: 700; }

/* ---------- tabs ---------- */

.tabs { display: flex; gap: 6px; margin: 4px 0 12px; }

.tab {
	border: 1px solid var(--border);
	background: var(--card);
	color: var(--muted);
	border-radius: 999px;
	padding: 8px 18px;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.tab.active { background: var(--green); border-color: var(--green); color: #fff; }

/* ---------- frame ---------- */

.frame-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }

.bytes { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 10px; min-height: 4px; }
.bytes span {
	font-family: var(--mono);
	font-size: 12px;
	background: var(--chip);
	border-radius: 6px;
	padding: 2px 6px;
}
.bytes span.head { background: var(--green); color: #fff; }

.inline-error { color: var(--red); margin-top: 8px; font-size: 14px; }

.examples { margin-top: 16px; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
	border: 1px solid var(--border);
	background: var(--card);
	color: var(--text);
	border-radius: 999px;
	padding: 4px 12px;
	font: inherit;
	font-size: 13px;
	cursor: pointer;
}
.chip:hover { border-color: var(--green); color: var(--green); }
.chip { white-space: normal; text-align: left; max-width: 100%; }

/* ---------- result ---------- */

.result:not(:empty) { margin-top: 22px; border-top: 1px solid var(--border); padding-top: 20px; }

.result-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.badge {
	background: var(--green);
	color: #fff;
	border-radius: 999px;
	padding: 6px 14px;
	font-weight: 700;
}
.meta { color: var(--muted); font-size: 14px; }

.callout {
	border-radius: 12px;
	padding: 12px 16px;
	margin-bottom: 12px;
	border-left: 4px solid;
}
.callout strong { display: block; margin-bottom: 2px; }
.callout.alert { background: var(--orange-soft); border-color: var(--orange); }
.callout.error { background: var(--red-soft); border-color: var(--red); }

.grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
	gap: 12px;
}

.tile {
	border: 1px solid var(--border);
	border-radius: 12px;
	padding: 14px 16px;
	background: var(--card);
	display: flex;
	flex-direction: column;
	gap: 4px;
	min-width: 0;
}

.tile .label { font-size: 13px; color: var(--muted); font-weight: 600; }
.grid.compact { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin-top: 12px; }
.grid.compact .tile { padding: 10px 12px; }
.section-label { margin: 18px 0 0; font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.tile .value { font-size: 26px; font-weight: 700; line-height: 1.2; word-break: break-word; }
.tile .value .unit { font-size: 15px; font-weight: 600; color: var(--muted); margin-left: 4px; }
.tile .value.text { font-size: 16px; font-weight: 600; }
.tile .key { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.tile .history { font-size: 12px; color: var(--muted); }
.tile svg { width: 100%; height: 36px; margin-top: 4px; }
.tile svg polyline { fill: none; stroke: var(--green); stroke-width: 2; }
.tile svg circle { fill: var(--green); }

.state {
	display: inline-flex; align-items: center; gap: 8px;
	font-size: 16px; font-weight: 700;
}
.state::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.state.on::before { background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }

details.more { margin-top: 16px; }
details.more summary { cursor: pointer; color: var(--muted); font-weight: 600; }
details.more .grid { margin-top: 12px; }

.samples { width: 100%; border-collapse: collapse; margin-top: 6px; font-size: 13px; }
.samples td { padding: 2px 0; border-top: 1px dashed var(--border); }
.samples td:last-child { text-align: right; font-family: var(--mono); }

.json-head { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; }
pre.json {
	background: #0f1720;
	color: #d6e2ee;
	border-radius: 12px;
	padding: 16px;
	overflow: auto;
	font: 13px/1.5 var(--mono);
	max-height: 420px;
	margin: 8px 0 0;
}

/* ---------- encode ---------- */

.encode-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.encode-result { margin-top: 20px; }
.out-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.out-row .label { width: 90px; color: var(--muted); font-weight: 600; font-size: 13px; }
.out-row code { font: 16px var(--mono); background: var(--chip); border-radius: 8px; padding: 6px 10px; }
.notice { background: var(--chip); border-radius: 12px; padding: 14px 16px; color: var(--muted); }

/* pilot wire (ACW-PW) */
.pw-form { margin-top: 8px; }
.pw-form .section-label { margin-bottom: 10px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 10px; }
.pw-programs { display: flex; flex-direction: column; gap: 8px; }
.pw-calendar.locked { opacity: .45; pointer-events: none; }
.pw-form select:disabled { opacity: .5; cursor: not-allowed; }
.pw-locked { color: var(--muted); font-weight: 600; }
.pw-row {
	display: flex; align-items: center; gap: 10px 14px; flex-wrap: wrap;
	border: 1px solid var(--border); border-radius: 12px; padding: 8px 12px;
}
.pw-row.off { opacity: .6; }
.pw-row.off:hover, .pw-row.off:focus-within { opacity: 1; }
.pw-toggle { display: flex; align-items: center; gap: 8px; font-weight: 700; min-width: 120px; cursor: pointer; }
.pw-toggle input, .pw-day input { width: auto; min-height: 0; accent-color: var(--green); }
.pw-days { display: flex; gap: 4px; flex-wrap: wrap; }
.pw-day { position: relative; cursor: pointer; }
.pw-day input { position: absolute; opacity: 0; pointer-events: none; }
.pw-day span {
	display: inline-block; min-width: 40px; text-align: center;
	padding: 6px 4px; border-radius: 8px; font-size: 13px; font-weight: 600;
	background: var(--chip); color: var(--muted);
}
.pw-day input:checked + span { background: var(--green); color: #fff; }
.pw-day input:focus-visible + span { outline: 2px solid var(--green); outline-offset: 1px; }
.pw-time { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.pw-time input { width: auto; min-height: 36px; padding: 6px 8px; font-family: var(--mono); }
.pw-program-mode { width: auto; min-height: 36px; padding: 6px 8px; }
.pw-read { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.pw-read .hint { margin: 0; }
button.ghost.active { background: var(--green); color: #fff; }

/* ---------- footer ---------- */

.footer { text-align: center; padding: 8px 16px 32px; font-size: 14px; }
.footer p { margin: 4px 0; }

@media (max-width: 640px) {
	.hero-inner { flex-wrap: wrap; position: relative; }
	.switches { position: absolute; top: 0; right: 0; }
	.hero-text { flex-basis: 100%; }
	.card { padding: 16px; }
	.tab { padding: 8px 12px; font-size: 14px; white-space: nowrap; }
	.hero h1 { font-size: 22px; }
	.brand img { height: 60px; }
	button.primary { width: 100%; }
	.pw-toggle { flex-basis: 100%; }
	.pw-day span { min-width: 36px; }
}