/* 編集室の画面を世界観にした、暗い1テーマの画面。
   主役は動く見本。まわりは無彩色に近い灰色で静かにし、強調色（再生位置の朱色）は選択と主な操作だけに使う。
   配置: 左に絞り込み、中央に見本の一覧、右に選んだものをトラック別に並べたタイムライン */
:root {
	color-scheme: dark;
	--bg: #121316;
	--side: #0e0f11;
	--card: #18191d;
	--raised: #212328;
	--line: rgba(236, 237, 241, 0.08);
	--line-strong: rgba(236, 237, 241, 0.14);
	--text: #ecedf1;
	--text-2: #a4a7b0;
	--text-3: #80838d;
	--accent: #ff6a3d;
	--accent-ink: #ffa184;
	--on-accent: #141416;
	--warn: #f0b45a;
	--font: "IBM Plex Sans JP", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
	--mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
	background: var(--bg);
	color: var(--text);
	font: 400 14px/1.6 var(--font);
	-webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
.icon { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* 全体の枠 */
.shell {
	display: grid;
	grid-template-columns: 248px minmax(0, 1fr) 320px;
	min-height: 100dvh;
}

/* 左: 絞り込み */
.side {
	background: var(--side);
	border-right: 1px solid var(--line);
	padding: 24px 16px;
	display: flex;
	flex-direction: column;
	gap: 16px;
	position: sticky;
	top: 0;
	height: 100dvh;
	overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: 14px; line-height: 1.3; white-space: nowrap; }
/* 再生位置の縦線をかたどった印 */
.mark { width: 12px; height: 20px; border-left: 2px solid var(--accent); position: relative; flex: none; margin-left: 4px; }
.mark::before { content: ""; position: absolute; top: -1px; left: -6px; border: 5px solid transparent; border-top: 6px solid var(--accent); }
.brand-note { margin: -8px 0 8px; color: var(--text-3); font-size: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .group-label { font-size: 12px; color: var(--text-3); margin: 0; }
select, input[type="search"] {
	background: var(--raised);
	border: 1px solid var(--line);
	border-radius: 8px;
	height: 36px;
	padding: 0 12px;
	font-size: 14px;
	min-width: 0;
	transition: border-color 150ms var(--ease);
}
select:hover, input[type="search"]:hover { border-color: var(--line-strong); }
.groups { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
#groups { display: flex; flex-direction: column; gap: 2px; }
.group {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 32px;
	padding: 0 10px;
	border: 0;
	border-radius: 8px;
	background: transparent;
	color: var(--text-2);
	cursor: pointer;
	text-align: left;
	transition: background-color 150ms var(--ease), color 150ms var(--ease);
}
.group:hover { background: var(--raised); color: var(--text); }
.group[aria-selected="true"] { background: var(--raised); color: var(--text); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06); }
.group .n { font-family: var(--mono); font-size: 12px; color: var(--text-3); font-variant-numeric: tabular-nums; }

/* 中央: 一覧 */
.main { padding: 32px 32px 64px; min-width: 0; }
.main-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
h1 { margin: 0; font-size: 28px; font-weight: 500; line-height: 1.2; text-wrap: balance; }
.sub { margin: 8px 0 0; color: var(--text-2); font-size: 14px; }
.search { position: relative; width: 280px; max-width: 100%; }
.search .icon { position: absolute; left: 12px; top: 10px; color: var(--text-3); }
.search input { width: 100%; padding-left: 36px; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin: 24px 0 16px; }
.count { margin: 0; color: var(--text-3); font-size: 13px; }
.toggle { display: inline-flex; align-items: center; gap: 8px; color: var(--text-2); font-size: 13px; cursor: pointer; }
.toggle input { accent-color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.card {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 14px;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: border-color 150ms var(--ease), background-color 150ms var(--ease);
}
.card:hover { border-color: var(--line-strong); }
.card.sel { border-color: var(--line-strong); background: #1c1d22; }
.frame { position: relative; aspect-ratio: 16 / 9; background: #0b0c0e; }
.frame video { width: 100%; height: 100%; object-fit: cover; display: block; }
.empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--text-3); font-size: 12px; }
.body { padding: 16px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.title-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.name { margin: 0; font-size: 15px; font-weight: 500; line-height: 1.4; }
.add {
	flex: none;
	display: inline-flex;
	align-items: center;
	gap: 4px;
	height: 28px;
	padding: 0 10px;
	border-radius: 6px;
	border: 1px solid var(--line-strong);
	background: transparent;
	color: var(--text-2);
	font-size: 12px;
	cursor: pointer;
	transition: background-color 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease), transform 120ms var(--ease);
}
.add:hover { color: var(--text); background: var(--raised); }
.add:active { transform: scale(0.97); }
.add[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 500; }
.cid { display: block; margin-top: -6px; font: 400 11px/1.4 var(--mono); color: var(--text-3); }
.does { margin: 0; color: var(--text-2); font-size: 13px; }
.facts { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 12px; line-height: 1.6; }
.facts dt { color: var(--text-3); }
.facts dd { margin: 0; color: var(--text-2); }
.facts a { color: var(--text-2); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.facts a:hover { color: var(--text); }
.meta { margin-top: auto; padding-top: 10px; border-top: 1px solid var(--line); display: flex; gap: 16px; font-size: 12px; color: var(--text-3); }
.meta .build { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-2); }
.dot.asset, .dot.analysis { background: transparent; border: 1px solid var(--warn); }
.meta .lv { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* 右: タイムライン */
.panel {
	background: var(--side);
	border-left: 1px solid var(--line);
	padding: 24px 16px;
	display: flex;
	flex-direction: column;
	gap: 16px;
	position: sticky;
	top: 0;
	height: 100dvh;
}
.panel-head h2 { margin: 0; font-size: 15px; font-weight: 500; }
.panel-meta { margin: 4px 0 0; font-size: 12px; color: var(--text-3); }
.panel-meta #selCount { font-family: var(--mono); color: var(--text-2); }
.warn { margin: 0; font-size: 12px; color: var(--warn); }
.warn:empty { display: none; }
.tracks { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; padding-right: 4px; }
.track { display: flex; flex-direction: column; gap: 6px; }
.track-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-3); }
.track-head .n { font-family: var(--mono); }
.lane { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; min-height: 40px; }
.lane:empty::after { content: "なし"; color: var(--text-3); font-size: 12px; padding: 4px 6px; }
.clip {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	height: 26px;
	padding: 0 4px 0 8px;
	border-radius: 4px;
	background: var(--raised);
	border-left: 2px solid var(--text-3);
	font-size: 12px;
	color: var(--text);
	max-width: 100%;
}
.clip.has-preview { border-left-color: var(--text-2); }
.clip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.clip button { display: grid; place-items: center; width: 20px; height: 20px; border: 0; border-radius: 4px; background: transparent; color: var(--text-3); cursor: pointer; padding: 0; }
.clip button:hover { color: var(--text); background: var(--line-strong); }
.clip .icon { width: 12px; height: 12px; }
.panel-actions { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--line); padding-top: 16px; }
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	height: 40px;
	border-radius: 8px;
	border: 1px solid var(--line-strong);
	background: var(--raised);
	color: var(--text);
	font-size: 14px;
	cursor: pointer;
	transition: background-color 150ms var(--ease), transform 120ms var(--ease);
}
.btn:hover { background: #2a2c32; }
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--text); color: var(--on-accent); border-color: var(--text); font-weight: 500; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4); }
.btn.primary:hover { background: #ffffff; }
.btn.quiet { background: transparent; border-color: transparent; color: var(--text-3); height: 32px; }
.btn.quiet:hover { color: var(--text); background: transparent; }

:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 2px; }

/* 中くらいの幅: タイムラインを一覧の下に置く */
@media (max-width: 1180px) {
	.shell { grid-template-columns: 248px minmax(0, 1fr); }
	.panel { grid-column: 2; position: static; height: auto; border-left: 0; border-top: 1px solid var(--line); padding: 24px 32px 32px; }
	.tracks { overflow: visible; }
	.panel-actions { flex-direction: row; flex-wrap: wrap; }
}

/* スマホ幅: 1列に重ねる */
@media (max-width: 760px) {
	.shell { grid-template-columns: minmax(0, 1fr); }
	.side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 16px; }
	.groups { margin-top: 0; }
	#groups { flex-direction: row; overflow-x: auto; gap: 4px; padding-bottom: 4px; }
	.group { flex: none; gap: 8px; }
	.main { padding: 24px 16px 40px; }
	h1 { font-size: 24px; }
	.search { width: 100%; }
	.panel { grid-column: 1; padding: 24px 16px 32px; }
	.panel-actions .btn { flex: 1 1 140px; }
}

@media (prefers-reduced-motion: reduce) {
	* { transition: none !important; }
}