/**
 * Hajime Reactions - スタイル v0.8.0
 *
 * 構造:
 *   1. CSS変数: ライト/ダーク両モードの配色
 *   2. ボタン本体: 行内のリアクションボタン
 *   3. 「+」追加ボタン
 *   4. ピッカー: デスクトップはフローティング、モバイルはボトムシート
 *
 * ダークモード判定: html.darkmode のみ
 */

/* ========================================================
 * 1. CSS変数: 配色の中央管理
 * ======================================================== */

.hajime-reactions {
	/* ボタン色 */
	--hr-bg:           #f0ebde;
	--hr-border:       #d9d1bc;
	--hr-text:         #03050d;
	--hr-bg-hover:     #e7e0cb;
	--hr-border-hover: #c2b89c;
	--hr-bg-voted:     #ebe2c4;
	--hr-border-voted: #b8a87a;
	--hr-text-voted:   #6b5a2e;

	/* ピッカー色 */
	--hr-picker-bg:           #fcfaf2;
	--hr-picker-border:       #d9d1bc;
	--hr-picker-text:         #03050d;
	--hr-picker-text-muted:   #7a7060;
	--hr-picker-shadow:       rgba(20, 15, 5, 0.18);
	--hr-picker-overlay:      rgba(20, 15, 5, 0.32);
	--hr-picker-input-bg:     #f0ebde;
	--hr-picker-input-border: #d9d1bc;

	margin: 2.5em 0 1.5em;
}

.darkmode .hajime-reactions {
	--hr-bg:           #14161f;
	--hr-border:       #2b2e3a;
	--hr-text:         #e8e4d6;
	--hr-bg-hover:     #1e202b;
	--hr-border-hover: #3d4150;
	--hr-bg-voted:     #2c2618;
	--hr-border-voted: #6b5a30;
	--hr-text-voted:   #d6c585;

	--hr-picker-bg:           #03050d;
	--hr-picker-border:       #2b2e3a;
	--hr-picker-text:         #e8e4d6;
	--hr-picker-text-muted:   #8a8478;
	--hr-picker-shadow:       rgba(0, 0, 0, 0.55);
	--hr-picker-overlay:      rgba(0, 0, 0, 0.55);
	--hr-picker-input-bg:     #14161f;
	--hr-picker-input-border: #2b2e3a;
}

/* ========================================================
 * 2. リアクションボタン (行内)
 * ======================================================== */

.hajime-reactions-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	align-items: center;
}

.hajime-reactions-list > li {
	margin: 0;
	padding: 0;
}

.hajime-reaction-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 5px 12px 5px 10px;
	background: var(--hr-bg);
	border: 1px solid var(--hr-border);
	border-radius: 999px;
	cursor: pointer;
	font-size: 13px;
	color: var(--hr-text);
	line-height: 1;
	transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
	font-family: inherit;
}

.hajime-reaction-btn:hover:not(:disabled) {
	background: var(--hr-bg-hover);
	border-color: var(--hr-border-hover);
}

.hajime-reaction-btn:active:not(:disabled) {
	transform: translateY(1px);
}

.hajime-reaction-btn.is-voted {
	background: var(--hr-bg-voted);
	border-color: var(--hr-border-voted);
	color: var(--hr-text-voted);
}

.hajime-reaction-btn.is-voting {
	opacity: 0.55;
}

.hajime-reaction-btn:disabled {
	cursor: default;
}

.hajime-reaction-emoji {
	width: 20px;
	height: 20px;
	display: block;
	flex-shrink: 0;
	user-select: none;
	-webkit-user-drag: none;
}

.hajime-reaction-count {
	font-variant-numeric: tabular-nums;
	min-width: 1ch;
	font-size: 12px;
	font-weight: 500;
	color: inherit;
}

/* ========================================================
 * 3. 「+」追加ボタン
 * ======================================================== */

.hajime-reaction-add-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 30px;
	height: 30px;
	padding: 0;
	background: transparent;
	border: 1px dashed var(--hr-border);
	border-radius: 999px;
	cursor: pointer;
	color: var(--hr-text);
	opacity: 0.6;
	transition: opacity 0.15s ease, border-color 0.15s ease, background 0.15s ease;
	font-family: inherit;
}

.hajime-reaction-add-btn:hover {
	opacity: 1;
	background: var(--hr-bg);
	border-color: var(--hr-border-hover);
	border-style: solid;
}

.hajime-reaction-add-icon {
	width: 14px;
	height: 14px;
	display: block;
}

/* ========================================================
 * 4. ピッカー: 共通
 * ======================================================== */

.hajime-reactions-picker[hidden] {
	display: none !important;
}

.hajime-reactions-picker {
	position: fixed;
	inset: 0;
	z-index: 9999;
	pointer-events: none; /* パネル内だけクリック可能にする */
}

.hajime-reactions-picker-overlay {
	position: absolute;
	inset: 0;
	background: var(--hr-picker-overlay);
	pointer-events: auto;
	animation: hajime-fade-in 0.15s ease;
}

.hajime-reactions-picker-panel {
	position: absolute;
	background: var(--hr-picker-bg);
	color: var(--hr-picker-text);
	border: 1px solid var(--hr-picker-border);
	box-shadow: 0 8px 32px var(--hr-picker-shadow);
	pointer-events: auto;
	display: flex;
	flex-direction: column;
	font-family: inherit;
}

/* ヘッダー */
.hajime-reactions-picker-header {
	display: flex;
	gap: 8px;
	align-items: center;
	padding: 12px;
	border-bottom: 1px solid var(--hr-picker-border);
	flex-shrink: 0;
}

.hajime-reactions-picker-search {
	flex: 1;
	padding: 8px 12px;
	background: var(--hr-picker-input-bg);
	border: 1px solid var(--hr-picker-input-border);
	border-radius: 6px;
	font-size: 14px;
	color: var(--hr-picker-text);
	font-family: inherit;
	outline: none;
}

.hajime-reactions-picker-search:focus {
	border-color: var(--hr-border-voted);
}

.hajime-reactions-picker-close {
	width: 32px;
	height: 32px;
	background: transparent;
	border: none;
	cursor: pointer;
	color: var(--hr-picker-text-muted);
	font-size: 22px;
	line-height: 1;
	border-radius: 6px;
	transition: background 0.15s ease, color 0.15s ease;
}

.hajime-reactions-picker-close:hover {
	background: var(--hr-picker-input-bg);
	color: var(--hr-picker-text);
}

/* ピッカー内の一覧 */
.hajime-reactions-picker-grid {
	flex: 1;
	overflow-y: auto;
	padding: 12px;
	display: block;
}

.hajime-picker-icon-grid {
	display: grid;
	grid-template-columns: repeat(5, minmax(0, 1fr));
	gap: 6px;
}

.hajime-picker-divider {
	margin: 12px 0;
	border-top: 1px solid var(--hr-picker-border);
}

.hajime-picker-label-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 4px;
}

.hajime-reactions-picker-empty {
	padding: 32px 12px;
	text-align: center;
	color: var(--hr-picker-text-muted);
	font-size: 13px;
}

/* グリッド内の絵文字ボタン */
.hajime-picker-emoji-btn {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 8px 10px;
	background: transparent;
	border: 1px solid transparent;
	border-radius: 8px;
	cursor: pointer;
	text-align: left;
	color: var(--hr-picker-text);
	font-size: 12px;
	line-height: 1.3;
	transition: background 0.1s ease, border-color 0.1s ease;
	font-family: inherit;
}

.hajime-picker-emoji-btn-icon {
	justify-content: center;
	aspect-ratio: 1;
	padding: 8px;
}

.hajime-picker-emoji-btn:hover:not(:disabled) {
	background: var(--hr-picker-input-bg);
	border-color: var(--hr-picker-input-border);
}

.hajime-picker-emoji-btn.is-voted {
	background: var(--hr-bg-voted);
	border-color: var(--hr-border-voted);
	color: var(--hr-text-voted);
}

.hajime-picker-emoji-img {
	width: 24px;
	height: 24px;
	flex-shrink: 0;
	user-select: none;
	-webkit-user-drag: none;
}

.hajime-picker-emoji-label {
	flex: 1;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* フッター (ライセンス表記) */
.hajime-reactions-picker-footer {
	padding: 8px 12px;
	border-top: 1px solid var(--hr-picker-border);
	font-size: 11px;
	color: var(--hr-picker-text-muted);
	text-align: center;
	flex-shrink: 0;
}

.hajime-reactions-picker-footer a {
	color: var(--hr-picker-text-muted);
	text-decoration: underline;
}

.hajime-reactions-picker-footer a:hover {
	color: var(--hr-picker-text);
}

/* ========================================================
 * 5. ピッカー: デスクトップ (フローティングポップアップ)
 * ======================================================== */

@media (min-width: 641px) {
	.hajime-reactions-picker-overlay {
		/* デスクトップではオーバーレイは透明 (外側クリックで閉じる用) */
		background: transparent;
	}

	.hajime-reactions-picker-panel {
		width: 320px;
		max-height: 400px;
		border-radius: 10px;
		animation: hajime-pop-in 0.12s ease-out;
	}
}

/* ========================================================
 * 6. ピッカー: モバイル (ボトムシート)
 * ======================================================== */

@media (max-width: 640px) {
	.hajime-reactions-picker-panel {
		left: 0;
		right: 0;
		bottom: 0;
		top: auto;
		max-height: 70vh;
		border-radius: 16px 16px 0 0;
		border-bottom: none;
		border-left: none;
		border-right: none;
		animation: hajime-slide-up 0.22s ease-out;
	}

	.hajime-reactions-picker-search {
		font-size: 16px; /* iOSのオートズーム防止 */
	}

	/* ボトムシート表示中はbody スクロールを止める */
	body.hajime-picker-open {
		overflow: hidden;
	}
}

/* ========================================================
 * アニメーション
 * ======================================================== */

@keyframes hajime-fade-in {
	from { opacity: 0; }
	to   { opacity: 1; }
}

@keyframes hajime-pop-in {
	from { opacity: 0; transform: translateY(-4px); }
	to   { opacity: 1; transform: translateY(0); }
}

@keyframes hajime-slide-up {
	from { transform: translateY(100%); }
	to   { transform: translateY(0); }
}

/* アニメーションを抑える設定への配慮 */
@media (prefers-reduced-motion: reduce) {
	.hajime-reactions-picker-overlay,
	.hajime-reactions-picker-panel {
		animation: none;
	}
}