/* ============================================
 * アプリ固有コンポーネント
 *
 * DADS公式に相当するコンポーネントがないもの
 * Phase 5で components.css から分離予定
 * ============================================ */

/* ============================================
 * Studio Toolbar Color Variables
 * Neutral-900 (#111827 = rgb(17, 24, 39)) variants
 * ============================================ */
:root {
	--studio-neutral-900: 17, 24, 39;
	--studio-border: rgba(var(--studio-neutral-900), 0.15);
	--studio-border-medium: rgba(var(--studio-neutral-900), 0.18);
	--studio-border-strong: rgba(var(--studio-neutral-900), 0.35);
	--studio-outline: rgba(var(--studio-neutral-900), 0.2);
	--studio-outline-hover: rgba(var(--studio-neutral-900), 0.4);
	--studio-bg-hover: rgba(var(--studio-neutral-900), 0.03);
	--studio-overlay: rgba(var(--studio-neutral-900), 0.8);
}

/*
 * 将来的に以下のコンポーネントをここに移動:
 * - .app-layout (旧 .dads-layout)
 * - .app-sidebar (旧 .dads-sidebar)
 * - .app-color-scale (旧 .dads-scale)
 * - .app-swatch (旧 .dads-swatch)
 * - .app-mini-scale (旧 .dads-mini-scale)
 * - .app-scrubber (旧 .dads-scrubber)
 * - .app-cvd-* (旧 .dads-cvd-*)
 * - .app-contrast-card (旧 .dads-contrast-card)
 */

/* ============================================
 * Content Controls
 * コンテンツエリア上部のコントロール
 * ============================================ */

.dads-content-controls {
	display: flex;
	align-items: center;
	gap: var(--space-md, 1rem);
	padding: var(--space-md, 1rem) 0;
	margin-bottom: var(--space-md, 1rem);
	border-bottom: 1px solid var(--color-border, #e5e7eb);
}

.dads-content-controls__label {
	font-size: var(--font-size-sm, 0.875rem);
	font-weight: var(--font-weight-medium, 500);
	color: var(--color-text-secondary, #6b7280);
}

/* ============================================
 * Accent Selection View
 * Section 7: ハーモニービュー → アクセント選定ビュー置換
 * ============================================ */

.accent-selection-controls {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-md, 1rem);
	margin-bottom: var(--space-lg, 1.5rem);
	padding: var(--space-md, 1rem);
	background: var(--color-surface, #f9fafb);
	border-radius: var(--radius-md, 0.5rem);
}

.accent-selection-controls__filter {
	flex: 1;
	min-width: 200px;
}

.accent-selection-grid {
	min-height: 200px;
}

.accent-selection-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-sm, 0.5rem);
	padding: var(--space-xl, 2rem);
	color: var(--color-text-secondary, #6b7280);
}

.accent-selection-loading__spinner {
	width: 20px;
	height: 20px;
	border: 2px solid var(--color-border, #e5e7eb);
	border-top-color: var(--color-primary, #3b82f6);
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

.accent-selection-error {
	padding: var(--space-md, 1rem);
	background: var(--color-error-light, #fef2f2);
	color: var(--color-error, #dc2626);
	border-radius: var(--radius-md, 0.5rem);
	text-align: center;
}

/* ============================================
 * Accent Candidate Grid
 * アクセント候補カードのグリッド
 * ============================================ */

.accent-candidate-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
	gap: var(--space-md, 1rem);
}

.accent-candidate-grid__empty {
	grid-column: 1 / -1;
	padding: var(--space-lg, 1.5rem);
	text-align: center;
	color: var(--color-text-secondary, #6b7280);
}

.accent-candidate-card {
	position: relative;
	display: flex;
	flex-direction: column;
	background: var(--color-surface, #ffffff);
	border: 1px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-md, 0.5rem);
	cursor: pointer;
	transition: all 0.2s ease;
}

.accent-candidate-card:hover {
	border-color: var(--color-primary, #3b82f6);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	transform: translateY(-2px);
}

.accent-candidate-card:focus {
	outline: 2px solid var(--color-primary, #3b82f6);
	outline-offset: 2px;
}

.accent-candidate-card__swatch {
	height: 80px;
	border-radius: var(--radius-md, 0.5rem) var(--radius-md, 0.5rem) 0 0;
}

.accent-candidate-card__info {
	display: flex;
	flex-direction: column;
	gap: var(--space-xs, 0.25rem);
	padding: var(--space-sm, 0.5rem);
}

.accent-candidate-card__name {
	font-size: var(--font-size-sm, 0.875rem);
	font-weight: var(--font-weight-medium, 500);
	color: var(--color-text, #111827);
}

.accent-candidate-card__score {
	font-size: var(--font-size-lg, 1.125rem);
	font-weight: var(--font-weight-bold, 700);
	color: var(--color-primary, #3b82f6);
}

.accent-candidate-card__tooltip {
	position: absolute;
	bottom: 100%;
	left: 50%;
	transform: translateX(-50%);
	padding: var(--space-sm, 0.5rem);
	background: var(--color-text, #111827);
	color: var(--color-surface, #ffffff);
	font-size: var(--font-size-xs, 0.75rem);
	border-radius: var(--radius-sm, 0.25rem);
	white-space: nowrap;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.2s ease;
	z-index: 10;
}

.accent-candidate-card:hover .accent-candidate-card__tooltip {
	opacity: 1;
	visibility: visible;
}

/* ============================================
 * Harmony Filter UI
 * ハーモニータイプ選択ドロップダウン
 * ============================================ */

.harmony-filter {
	display: flex;
	flex-direction: column;
	gap: var(--space-xs, 0.25rem);
}

.harmony-filter__label {
	font-size: var(--font-size-sm, 0.875rem);
	font-weight: var(--font-weight-medium, 500);
	color: var(--color-text-secondary, #6b7280);
}

.harmony-filter__select {
	padding: var(--space-sm, 0.5rem) var(--space-md, 1rem);
	font-size: var(--font-size-md, 1rem);
	border: 1px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-md, 0.5rem);
	background: var(--color-surface, #ffffff);
	color: var(--color-text, #111827);
	cursor: pointer;
	transition: border-color 0.2s ease;
}

.harmony-filter__select:hover {
	border-color: var(--color-primary, #3b82f6);
}

.harmony-filter__select:focus {
	outline: 2px solid var(--color-primary, #3b82f6);
	outline-offset: 2px;
}

/* ============================================
 * Harmony Type Cards
 * Section 8: カード形式のハーモニー選択UI
 * ============================================ */

.harmony-card-area {
	margin-top: var(--space-md, 1rem);
}

.harmony-type-cards {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--space-lg, 1.5rem);
	padding: var(--space-md, 1rem) 0;
}

/* レスポンシブ: 狭い画面では1カラム */
@media (max-width: 600px) {
	.harmony-type-cards {
		grid-template-columns: 1fr;
	}
}

.harmony-type-card {
	display: flex;
	flex-direction: column;
	padding: var(--space-lg, 1.5rem);
	background: var(--color-surface, #ffffff);
	border: 2px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-lg, 0.75rem);
	cursor: pointer;
	transition: all 0.2s ease;
	text-align: left;
	font-family: inherit;
}

.harmony-type-card:hover {
	border-color: var(--color-primary, #3b82f6);
	transform: translateY(-2px);
	box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.harmony-type-card:focus {
	outline: 2px solid var(--color-primary, #3b82f6);
	outline-offset: 2px;
}

.harmony-type-card:disabled,
.harmony-type-card--disabled {
	opacity: 0.5;
	cursor: not-allowed;
	transform: none;
}

.harmony-type-card--loading {
	pointer-events: none;
}

.harmony-type-card--loading::after {
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(255, 255, 255, 0.7);
	border-radius: var(--radius-lg, 0.75rem);
}

.harmony-type-card__title {
	font-size: var(--font-size-lg, 1.125rem);
	font-weight: var(--font-weight-semibold, 600);
	color: var(--color-text, #111827);
	margin: 0 0 var(--space-xs, 0.25rem) 0;
}

.harmony-type-card__description {
	font-size: var(--font-size-sm, 0.875rem);
	color: var(--color-text-secondary, #6b7280);
	margin: 0 0 var(--space-md, 1rem) 0;
}

.harmony-type-card__preview {
	display: flex;
	gap: 0;
	margin-top: auto;
	border-radius: var(--radius-md, 0.5rem);
	overflow: hidden;
	height: 48px;
	box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.harmony-type-card__swatch {
	flex: 1;
	height: 100%;
	border-radius: 0;
	border: none;
	box-shadow: none;
	background: var(--color-border, #e5e7eb);
	transition: flex 0.2s ease;
}

/* ホバー時に各色を強調 */
.harmony-type-card:hover .harmony-type-card__swatch:hover {
	flex: 1.2;
}

/* パレットラベル（色数表示） */
.harmony-type-card__label {
	font-size: var(--font-size-xs, 0.75rem);
	color: var(--color-text-tertiary, #9ca3af);
	margin-top: var(--space-xs, 0.25rem);
	text-align: center;
}

/* 詳細選択カード */
.harmony-type-card--detail {
	border-style: dashed;
	background: var(--color-surface-alt, #f9fafb);
	align-items: center;
	justify-content: center;
	min-height: 160px;
}

.harmony-type-card--detail:hover {
	background: var(--color-surface-hover, #f3f4f6);
}

.harmony-type-card--detail .harmony-type-card__title {
	display: flex;
	align-items: center;
	gap: var(--space-sm, 0.5rem);
}

.harmony-type-card--detail .harmony-type-card__title::after {
	content: "→";
	font-size: var(--font-size-lg, 1.125rem);
}

/* ============================================
 * Accent Detail Area
 * Section 8: 詳細選択モード用エリア
 * ============================================ */

.accent-detail-area {
	margin-top: var(--space-md, 1rem);
}

/* ============================================
 * Brand Color History
 * 履歴ドロップダウンとクリアボタン
 * ============================================ */

.dads-history-container {
	display: flex;
	align-items: center;
	gap: var(--space-xs, 0.25rem);
}

.dads-history-dropdown {
	min-width: 180px;
	max-width: 220px;
	padding: var(--space-xs, 0.25rem) var(--space-sm, 0.5rem);
	font-size: var(--font-size-sm, 0.875rem);
}

/* Chrome 134+ 対応: base-select によるカスタマイズ */
/* Chrome 134+の実験的機能: base-select
 * 他のブラウザでは無視され、通常のselectにフォールバック
 * https://developer.chrome.com/blog/styling-select
 */
@supports (appearance: base-select) {
	.dads-history-dropdown {
		appearance: base-select;
	}

	/* biome-ignore lint/correctness/noUnknownPseudoElement: Chrome 134+ base-select pseudo element */
	.dads-history-dropdown::picker(select) {
		appearance: base-select;
	}

	/* 選択肢の色プレビュー（Chrome 134+のみ有効） */
	.dads-history-dropdown option::before {
		content: "";
		display: inline-block;
		width: 14px;
		height: 14px;
		margin-right: var(--space-xs, 0.25rem);
		background-color: var(--option-color, transparent);
		border-radius: 2px;
		border: 1px solid rgba(0, 0, 0, 0.1);
		vertical-align: middle;
	}
}

/* 履歴クリアボタン */
.dads-history-clear {
	padding: var(--space-xs, 0.25rem) var(--space-sm, 0.5rem);
	font-size: var(--font-size-sm, 0.875rem);
	line-height: 1;
	min-width: auto;
	background: var(--color-surface, #ffffff);
	border: 1px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-sm, 0.25rem);
	color: var(--color-text-secondary, #6b7280);
	cursor: pointer;
	transition: all 0.2s ease;
}

.dads-history-clear:hover {
	background: var(--color-error-light, #fef2f2);
	border-color: var(--color-error, #dc2626);
	color: var(--color-error, #dc2626);
}

.dads-history-clear:focus {
	outline: 2px solid var(--color-primary, #3b82f6);
	outline-offset: 2px;
}

/* 無効状態のドロップダウン */
.dads-history-dropdown:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

/* 履歴ドロップダウンの選択肢 */
.dads-history-dropdown option {
	padding: var(--space-xs, 0.25rem) var(--space-sm, 0.5rem);
}

/* ============================================
 * Studio View (Huemint-inspired)
 * ============================================ */

.dads-studio {
	display: flex;
	flex-direction: column;
	gap: var(--space-lg, 1.5rem);
	padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 7rem);
}

.studio-toolbar {
	position: fixed;
	left: 50%;
	bottom: calc(env(safe-area-inset-bottom, 0px) + var(--space-lg, 1.5rem));
	transform: translateX(-50%);
	z-index: 30;
	display: flex;
	align-items: center;
	gap: var(--space-md, 0.75rem);
	padding: 0.75rem 0.625rem;
	width: max-content;
	max-width: calc(100vw - 2rem);
	border: 1px solid var(--studio-border-strong);
	background: rgba(245, 247, 250, 0.96);
	backdrop-filter: blur(12px) saturate(1.05);
	border-radius: var(--radius-lg, 0.75rem);
	box-shadow:
		inset 0 1px 0 rgba(255, 255, 255, 0.8),
		0 -1px 0 rgba(0, 0, 0, 0.05),
		0 12px 24px rgba(0, 0, 0, 0.15),
		0 2px 8px rgba(0, 0, 0, 0.08);
	overflow: visible;
}

.studio-toolbar__swatches {
	display: flex;
	flex-wrap: nowrap;
	gap: var(--space-xs, 0.25rem);
	align-items: center;
	overflow: visible;
	overscroll-behavior-x: contain;
	scrollbar-width: thin;
	padding-right: 10px;
	min-width: 0;
	flex: 1 1 auto;
}

.studio-toolbar__controls {
	display: flex;
	align-items: center;
	gap: var(--space-xs, 0.25rem);
	flex-shrink: 0;
	margin-left: 16px;
	padding-left: 16px;
	border-left: 1px solid var(--studio-border);
}

/* マニュアル選択ビュー用ツールバー（swatchesなし） */
.studio-toolbar--manual {
	justify-content: flex-end;
}

.studio-toolbar--manual .studio-toolbar__controls {
	margin-left: 0;
	padding-left: 0;
	border-left: none;
}

.studio-toolbar__controls--gap-md {
	margin-left: 16px;
}

.studio-toolbar__controls--gap-lg {
	margin-left: 24px;
}

.studio-toolbar__share-btn {
	margin-left: 16px;
	padding-left: 16px;
	border-left: 1px solid var(--studio-border);
}

.studio-toolbar__spacer {
	width: 1px;
	height: 1.5rem;
	background: var(--studio-border);
	margin: 0 0.125rem;
}

.studio-toolbar-swatch {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	border-radius: 999px;
	border: 1px solid var(--studio-border-medium);
	background: var(--color-surface, #ffffff);
	cursor: pointer;
	flex-shrink: 0;
	transition:
		border-color 0.15s ease,
		box-shadow 0.15s ease;
}

.studio-toolbar-swatch--placeholder {
	border: 2px dashed var(--studio-outline);
	background: transparent;
	cursor: pointer;
}

.studio-toolbar-swatch--placeholder:hover {
	border-color: var(--studio-outline-hover);
	background: var(--studio-bg-hover);
}

.studio-toolbar-swatch--placeholder.studio-toolbar-swatch--will-fill {
	border-color: var(--color-primary, #3b82f6);
	background: rgba(59, 130, 246, 0.08);
}

.studio-toolbar-swatch--placeholder::after {
	display: none;
}

/* 無効化状態（連続選択制約により選択不可） */
.studio-toolbar-swatch--disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.studio-toolbar-swatch--disabled:hover {
	border-color: var(--studio-outline);
	background: transparent;
}

/* アクティブ状態（ツールバーで選択された適用先） */
.studio-toolbar-swatch--active {
	border-color: var(--color-primary, #3b82f6);
	box-shadow:
		0 0 0 2px var(--color-surface, #ffffff),
		0 0 0 4px var(--color-primary, #3b82f6);
}

.studio-toolbar-swatch--active::after {
	opacity: 1;
}

.studio-toolbar-swatch--placeholder.studio-toolbar-swatch--active {
	border-color: var(--color-primary, #3b82f6);
	background: rgba(59, 130, 246, 0.1);
	box-shadow:
		0 0 0 2px var(--color-surface, #ffffff),
		0 0 0 4px var(--color-primary, #3b82f6);
}

.studio-toolbar__swatch-spacer {
	display: none;
}

.studio-toolbar-swatch--zone-end {
	margin-right: 8px;
}

.studio-toolbar-swatch::after {
	content: "";
	position: absolute;
	bottom: -4px;
	left: 50%;
	transform: translateX(-50%);
	width: 20px;
	height: 2px;
	background: var(--color-primary, #3b82f6);
	border-radius: 1px;
	opacity: 0;
	transition: opacity 0.15s ease;
}

.studio-toolbar-swatch:hover {
	border-color: var(--color-primary, #3b82f6);
}

.studio-toolbar-swatch:hover::after,
.studio-toolbar-swatch:focus-visible::after {
	opacity: 1;
}

.studio-toolbar-swatch:focus-visible {
	outline: 2px solid var(--color-neutral-black, #111827);
	outline-offset: 2px;
}

.studio-toolbar-swatch__circle {
	width: 30px;
	height: 30px;
	border-radius: 999px;
	border: 1px solid rgba(0, 0, 0, 0.12);
}

.studio-toolbar-swatch__delete {
	position: absolute;
	top: -6px;
	right: -6px;
	width: 22px;
	height: 22px;
	border-radius: 999px;
	background: var(--studio-overlay);
	border: 2px solid white;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	transition:
		opacity 0.15s ease,
		background 0.15s ease;
	padding: 0;
	z-index: 10;
}

.studio-toolbar-swatch__delete::before,
.studio-toolbar-swatch__delete::after {
	content: "";
	position: absolute;
	width: 8px;
	height: 1.5px;
	background: white;
	border-radius: 1px;
}

.studio-toolbar-swatch__delete::before {
	transform: rotate(45deg);
}

.studio-toolbar-swatch__delete::after {
	transform: rotate(-45deg);
}

.studio-toolbar-swatch:hover .studio-toolbar-swatch__delete {
	opacity: 1;
}

.studio-toolbar-swatch__delete:hover {
	background: rgba(220, 38, 38, 0.9);
}

.studio-toolbar-swatch__lock-indicator {
	position: absolute;
	bottom: -2px;
	right: -2px;
	width: 14px;
	height: 14px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 8px;
	background: var(--color-surface, #ffffff);
	border: 1px solid var(--studio-outline);
	border-radius: 999px;
	pointer-events: none;
}

.studio-swatch-popover {
	position: fixed;
	z-index: 1000;
	display: none;
	flex-direction: column;
	gap: 0.5rem;
	padding: 0.625rem;
	min-width: 140px;
	background: rgba(255, 255, 255, 0.98);
	border: 1px solid var(--studio-border);
	border-radius: var(--radius-md, 0.5rem);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
	backdrop-filter: blur(8px);
	/* JSで位置計算するためtransformは不要 */
}

.studio-swatch-popover[data-open="true"] {
	display: flex;
}

.studio-swatch-popover__header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 0.5rem;
}

.studio-swatch-popover__role {
	font-size: 0.6875rem;
	font-weight: 600;
	color: var(--color-neutral-500, #6b7280);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.studio-swatch-popover__close {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 20px;
	height: 20px;
	padding: 0;
	border: none;
	background: transparent;
	color: var(--color-neutral-400, #9ca3af);
	border-radius: 4px;
	cursor: pointer;
	transition:
		background-color 0.15s,
		color 0.15s;
}

.studio-swatch-popover__close:hover {
	background: rgba(0, 0, 0, 0.08);
	color: var(--color-neutral-600, #4b5563);
}

.studio-swatch-popover__close:focus-visible {
	outline: 2px solid var(--studio-primary, #2563eb);
	outline-offset: 1px;
}

.studio-swatch-popover__copy-btn {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	padding: 0.375rem 0.5rem;
	font-family: var(--font-mono, monospace);
	font-size: 0.8125rem;
	color: var(--color-neutral-800, #1f2937);
	background: var(--color-neutral-100, #f3f4f6);
	border: 1px solid var(--color-neutral-200, #e5e7eb);
	border-radius: var(--radius-sm, 0.25rem);
	cursor: pointer;
	transition: background-color 0.15s ease;
	width: 100%;
	text-align: left;
}

.studio-swatch-popover__copy-btn:hover {
	background: var(--color-neutral-200, #e5e7eb);
}

.studio-swatch-popover__copy-btn--token {
	font-size: 0.6875rem;
	color: var(--color-neutral-600, #4b5563);
}

.studio-swatch-popover__copy-btn--token span {
	word-break: break-all;
}

.studio-swatch-popover__copy-icon {
	width: 14px;
	height: 14px;
	flex-shrink: 0;
	opacity: 0.5;
}

.studio-swatch-popover__lock {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	font-size: 0.75rem;
	color: var(--color-neutral-600, #4b5563);
}

.studio-swatch-popover__lock-label {
	display: flex;
	align-items: center;
	gap: 0.25rem;
}

.studio-swatch-popover__toggle {
	position: relative;
	width: 32px;
	height: 18px;
	background: var(--color-neutral-300, #d1d5db);
	border: none;
	border-radius: 999px;
	cursor: pointer;
	transition: background-color 0.15s ease;
}

.studio-swatch-popover__toggle[data-checked="true"] {
	background: var(--color-primary, #3b82f6);
}

.studio-swatch-popover__toggle::after {
	content: "";
	position: absolute;
	top: 2px;
	left: 2px;
	width: 14px;
	height: 14px;
	background: white;
	border-radius: 999px;
	transition: transform 0.15s ease;
}

.studio-swatch-popover__toggle[data-checked="true"]::after {
	transform: translateX(14px);
}

.studio-swatch-popover__color-row {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.studio-swatch-popover__color-picker {
	width: 32px;
	height: 32px;
	padding: 0;
	border: 2px solid var(--color-neutral-200, #e5e7eb);
	border-radius: var(--radius-sm, 0.25rem);
	cursor: pointer;
	background: none;
}

.studio-swatch-popover__color-picker::-webkit-color-swatch-wrapper {
	padding: 0;
}

.studio-swatch-popover__color-picker::-webkit-color-swatch {
	border: none;
	border-radius: calc(var(--radius-sm, 0.25rem) - 2px);
}

.studio-swatch-popover__hex-input {
	font-family: var(--font-mono, monospace);
	font-size: 0.8125rem;
	color: var(--color-neutral-800, #1f2937);
	background: var(--color-neutral-50, #f9fafb);
	border: 1px solid var(--color-neutral-300, #d1d5db);
	border-radius: var(--radius-sm, 0.25rem);
	padding: 0.25rem 0.5rem;
	width: 7.5rem;
	outline: none;
	transition:
		border-color 0.15s ease,
		box-shadow 0.15s ease;
}

.studio-swatch-popover__hex-input:focus {
	border-color: var(--color-primary, #3b82f6);
	box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.studio-swatch-popover__hex-input--invalid {
	border-color: var(--color-error, #ef4444);
	background: rgba(239, 68, 68, 0.05);
}

.studio-swatch-popover__hex-input--invalid:focus {
	border-color: var(--color-error, #ef4444);
	box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.studio-toast {
	position: fixed;
	left: 50%;
	bottom: calc(
		env(safe-area-inset-bottom, 0px) +
		var(--space-lg, 1.5rem) +
		4rem
	);
	transform: translateX(-50%);
	z-index: 35;
	padding: 0.5rem 1rem;
	font-size: 0.8125rem;
	color: var(--color-neutral-700, #374151);
	background: rgba(255, 255, 255, 0.95);
	border: 1px solid var(--studio-border);
	border-radius: var(--radius-md, 0.5rem);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	backdrop-filter: blur(8px);
	opacity: 0;
	transition: opacity 0.2s ease;
	pointer-events: none;
}

.studio-toast[data-visible="true"] {
	opacity: 1;
}

.studio-settings {
	position: relative;
}

.studio-settings__summary {
	list-style: none;
	user-select: none;
}

.studio-settings__summary::-webkit-details-marker {
	display: none;
}

.studio-settings__panel {
	position: absolute;
	right: 0;
	bottom: calc(100% + 0.5rem);
	z-index: 40;
	display: none;
	flex-direction: column;
	gap: 0.75rem;
	padding: 0.75rem;
	border-radius: var(--radius-lg, 0.75rem);
	border: 1px solid var(--color-border, #e5e7eb);
	background: var(--color-surface, #ffffff);
	box-shadow:
		0 10px 15px -3px rgba(0, 0, 0, 0.1),
		0 4px 6px -4px rgba(0, 0, 0, 0.1);
	min-width: 16rem;
	max-width: min(26rem, calc(100vw - 2rem));
}

.studio-settings[open] .studio-settings__panel {
	display: flex;
}

.studio-settings__row {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.studio-settings__row .dads-button-group {
	flex-wrap: wrap;
}

.studio-preset {
	position: relative;
}

.studio-preset__summary {
	padding: 0.4rem 0.6rem;
	border: 1px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-md, 0.5rem);
	background: var(--color-surface, #ffffff);
	color: var(--color-text, #111827);
	cursor: pointer;
	list-style: none;
	user-select: none;
}

.studio-preset__summary:focus-visible {
	outline: 2px solid var(--color-primary, #3b82f6);
	outline-offset: 2px;
}

.studio-preset__summary::marker {
	content: "";
}

.studio-preset__summary::-webkit-details-marker {
	display: none;
}

.studio-preset__menu {
	position: absolute;
	right: 0;
	top: calc(100% + 0.25rem);
	z-index: 10;
	display: none;
	flex-direction: column;
	gap: 0.25rem;
	padding: 0.35rem;
	border-radius: var(--radius-lg, 0.75rem);
	border: 1px solid var(--color-border, #e5e7eb);
	background: var(--color-surface, #ffffff);
	box-shadow:
		0 10px 15px -3px rgba(0, 0, 0, 0.1),
		0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.studio-preset[open] .studio-preset__menu {
	display: flex;
}

.studio-preset__item {
	width: 100%;
	justify-content: flex-start;
}

.studio-swatch-row {
	display: flex;
	align-items: center;
	gap: 0.4rem;
}

.studio-copy-btn {
	display: inline-flex;
}

@media (any-hover: hover) {
	.studio-copy-btn {
		display: none;
	}

	.studio-swatch-row:hover .studio-copy-btn,
	.studio-swatch-row:focus-within .studio-copy-btn {
		display: inline-flex;
	}
}

.studio-swatch {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.35rem 0.6rem;
	border-radius: 999px;
	border: 1px solid var(--color-border, #e5e7eb);
	background: var(--color-surface, #ffffff);
	color: var(--color-text, #111827);
	cursor: pointer;
}

.studio-swatch:hover {
	border-color: var(--color-primary, #3b82f6);
}

.studio-swatch:focus {
	outline: 2px solid var(--color-primary, #3b82f6);
	outline-offset: 2px;
}

.studio-swatch__circle {
	width: 22px;
	height: 22px;
	border-radius: 999px;
	border: 1px solid rgba(0, 0, 0, 0.12);
}

.studio-swatch__label {
	font-size: 0.8rem;
	font-weight: var(--font-weight-medium, 500);
}

.studio-lock-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: var(--radius-md, 0.5rem);
	border: 1px solid var(--color-border, #e5e7eb);
	background: var(--color-surface, #ffffff);
	cursor: pointer;
}

.studio-lock-btn:hover {
	border-color: var(--color-primary, #3b82f6);
}

.studio-contrast-badge {
	display: none;
	align-items: center;
	justify-content: center;
	padding: 0.2rem 0.45rem;
	border-radius: 999px;
	border: 1px solid var(--color-border, #e5e7eb);
	font-size: 0.72rem;
	line-height: 1;
	background: var(--color-surface, #ffffff);
	color: var(--color-text-secondary, #6b7280);
}

.studio-swatch-row:hover .studio-contrast-badge,
.studio-swatch-row:focus-within .studio-contrast-badge {
	display: inline-flex;
}

.studio-contrast-badge--fail {
	display: inline-flex;
}

.studio-contrast-badge--aaa {
	color: #0f5132;
	border-color: rgba(15, 81, 50, 0.3);
}

.studio-contrast-badge--aa {
	color: #0b5394;
	border-color: rgba(11, 83, 148, 0.3);
}

.studio-contrast-badge--aa-large {
	color: #8a6d3b;
	border-color: rgba(138, 109, 59, 0.35);
}

.studio-contrast-badge--fail {
	color: #842029;
	border-color: rgba(132, 32, 41, 0.35);
}

.studio-export-group {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
}

.studio-export-hint {
	padding: 0.15rem 0.35rem;
	border-radius: 999px;
	border: 1px solid var(--color-border, #e5e7eb);
	font-size: 0.72rem;
	line-height: 1;
	color: var(--color-text-secondary, #6b7280);
	white-space: nowrap;
}

.studio-primary-editor {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-sm, 0.5rem);
	padding: var(--space-md, 1rem);
	border: 1px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-lg, 0.75rem);
	background: var(--color-surface, #ffffff);
}

.studio-primary-editor__title {
	font-size: 0.9rem;
	font-weight: var(--font-weight-bold, 700);
	color: var(--color-text, #111827);
	margin-right: 0.5rem;
}

.studio-primary-editor__input {
	min-width: 9ch;
}

.studio-primary-editor__picker {
	width: 44px;
	height: 36px;
	padding: 0;
	border: 1px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-md, 0.5rem);
	background: transparent;
}

.studio-preview .dads-preview {
	max-width: none;
	/* margin-inline削除：components.cssの負のマージン(-2rem)を維持 */
}

.studio-a11y {
	padding: var(--space-md, 1rem);
	border: 1px solid var(--color-border, #e5e7eb);
	border-radius: var(--radius-lg, 0.75rem);
	background: var(--color-surface, #ffffff);
}

.studio-a11y__title {
	margin: 0 0 var(--space-md, 1rem);
	font-size: var(--font-size-28, 1.75rem);
	font-weight: var(--font-weight-700, 700);
	line-height: var(--line-height-150, 1.5);
	color: var(--color-text, #111827);
}

.studio-a11y__list {
	margin: 0 0 0.75rem;
	padding-left: 1.25rem;
	color: var(--color-text-secondary, #6b7280);
}

/* ========================================
 * Studio View: App Header Frosted Glass Effect
 * アプリヘッダーとプレビュー領域を視覚的に区別する
 * ======================================== */

/* スタジオ/マニュアルビュー時のアプリヘッダー（ツールバーと同じフロストガラス効果） */
.is-studio-view .dads-main__header,
.is-manual-view .dads-main__header {
	background: rgba(245, 247, 250, 0.96);
	backdrop-filter: blur(12px) saturate(1.05);
	border-bottom: 1px solid var(--studio-border-strong);
	box-shadow:
		inset 0 -1px 0 rgba(255, 255, 255, 0.5),
		0 1px 3px rgba(0, 0, 0, 0.06);
}

/* コンテンツエリア（ヘッダー間の余白を削除 - 全ビュー共通） */
.dads-main__content {
	padding-top: 0;
}

/* スタジオビュー時のプレビューヘッダー（より軽いボーダーで内部感を演出） */
.is-studio-view .dads-preview--dads-html .preview-header {
	border-bottom: 1px solid var(--preview-border, rgba(0, 0, 0, 0.08));
}

/* ========================================
 * Material Symbols Icon Styling
 * ボタン内のMaterial Symbolsアイコン用スタイル
 * ======================================== */

.material-symbols-outlined.btn-icon {
	font-size: 16px;
	vertical-align: -3px;
	margin-right: 4px;
}

/* ========================================
 * Manual View: Header Swatch Section
 * マニュアルビュー上部のカラースウォッチヘッダー
 * ======================================== */

/* 上部カラースウォッチセクション（シェードの上に配置） */
.manual-header-swatches {
	display: flex;
	flex-direction: column;
	gap: var(--space-md, 1rem);
	padding: var(--space-md, 1rem);
	background: var(--color-surface, #ffffff);
}

/* マニュアルヘッダーセクションの見出し */
.manual-header-swatches__heading {
	margin: 0;
	padding: 0;
	font-size: 0.875rem;
	font-weight: var(--font-weight-semibold, 600);
	color: var(--color-text-secondary, #6b7280);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

/* スウォッチラッパーのコンテナ */
.manual-header-swatches__swatches-container {
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
	gap: var(--space-md, 1rem);
	flex-wrap: wrap;
}

/* マニュアルヘッダー内のスウォッチを大きく表示（真円） */
.manual-header-swatches .studio-toolbar-swatch {
	width: 64px;
	height: 64px;
	flex-shrink: 0;
}

.manual-header-swatches .studio-toolbar-swatch__circle {
	width: 56px;
	height: 56px;
	min-width: 56px;
	min-height: 56px;
	aspect-ratio: 1;
}

/* スウォッチ+ラベルのラッパー */
.studio-toolbar-swatch-wrapper {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
}

.studio-toolbar-swatch-wrapper--zone-end {
	margin-right: 12px;
}

/* スウォッチ下のラベル */
.studio-toolbar-swatch__label {
	font-size: 0.625rem;
	font-weight: 500;
	color: var(--color-neutral-500, #6b7280);
	white-space: nowrap;
	text-align: center;
	max-width: 56px;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* マニュアルヘッダー内のラベルを大きく表示 */
.manual-header-swatches .studio-toolbar-swatch__label {
	font-size: 0.75rem;
	max-width: 96px;
	white-space: normal;
	overflow: visible;
	text-overflow: clip;
	overflow-wrap: anywhere;
	line-height: 1.2;
}

/* 共有/エクスポートボタン用固定バー */
.studio-toolbar--controls-only {
	position: fixed;
	left: 50%;
	bottom: calc(env(safe-area-inset-bottom, 0px) + var(--space-lg, 1.5rem));
	transform: translateX(-50%);
	z-index: 30;
	display: flex;
	align-items: center;
	gap: var(--space-xs, 0.25rem);
	padding: 0.625rem 1rem;
	background: rgba(255, 255, 255, 0.96);
	border: 1px solid var(--studio-border, rgba(0, 0, 0, 0.08));
	border-radius: var(--radius-lg, 0.75rem);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
	backdrop-filter: blur(12px);
}

/* ポップオーバー内のカラーピッカー行 */
.studio-swatch-popover__color-row {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.studio-swatch-popover__color-picker {
	width: 32px;
	height: 32px;
	padding: 0;
	border: 1px solid var(--color-neutral-200, #e5e7eb);
	border-radius: var(--radius-sm, 0.25rem);
	cursor: pointer;
	background: transparent;
}

.studio-swatch-popover__color-picker::-webkit-color-swatch-wrapper {
	padding: 2px;
}

.studio-swatch-popover__color-picker::-webkit-color-swatch {
	border: none;
	border-radius: 2px;
}

.studio-swatch-popover__hex-input {
	flex: 1;
	min-width: 80px;
	padding: 0.375rem 0.5rem;
	font-family: var(--font-mono, monospace);
	font-size: 0.8125rem;
	color: var(--color-neutral-800, #1f2937);
	background: var(--color-neutral-50, #f9fafb);
	border: 1px solid var(--color-neutral-200, #e5e7eb);
	border-radius: var(--radius-sm, 0.25rem);
	transition: border-color 0.15s ease;
}

.studio-swatch-popover__hex-input:focus {
	outline: none;
	border-color: var(--color-primary, #3b82f6);
	box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.studio-swatch-popover__hex-input--invalid {
	border-color: var(--color-error, #ef4444);
}

.studio-swatch-popover__hex-input--invalid:focus {
	box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

/* ポップオーバー内のエラー表示 */
.studio-swatch-popover__error {
	font-size: 0.6875rem;
	color: var(--color-error, #ef4444);
	min-height: 1em;
	line-height: 1.4;
}