/* ──────────────────────────────────────────────
 *  The 3 Closets 預約系統 — 前端樣式
 *  Editorial warm-brown palette
 * ────────────────────────────────────────────── */

:root {
	--t3c-bg: #fdf8f3;
	--t3c-surface: #fff;
	--t3c-border: #e8d5c4;
	--t3c-border-light: #f0e6da;
	--t3c-primary: #8b6f47;
	--t3c-primary-dark: #6d5535;
	--t3c-text: #4a3728;
	--t3c-text-light: #8b7a6b;
	--t3c-accent: #f5ebe0;
	--t3c-success: #4a7c59;
	--t3c-error: #c0392b;
	--t3c-radius: 12px;
	--t3c-font: 'Noto Serif TC', 'Georgia', serif;
}

#the3closets-booking-app {
	max-width: 640px;
	margin: 0 auto;
	padding: 40px 24px;
	font-family: var(--t3c-font);
	color: var(--t3c-text);
	line-height: 1.8;
}

/* ── 步驟指示 ── */
.t3c-booking-steps {
	display: flex;
	justify-content: center;
	gap: 8px;
	margin-bottom: 40px;
}

.t3c-booking-step {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: var(--t3c-border);
	transition: background 0.3s ease, transform 0.3s ease;
}

.t3c-booking-step.active {
	background: var(--t3c-primary);
	transform: scale(1.3);
}

/* ── 面板 ── */
.t3c-booking-panel {
	display: none;
	animation: t3cFadeIn 0.3s ease;
}

.t3c-booking-panel.visible {
	display: block;
}

@keyframes t3cFadeIn {
	from { opacity: 0; transform: translateY(12px); }
	to   { opacity: 1; transform: translateY(0); }
}

.t3c-booking-panel-title {
	font-size: 22px;
	font-weight: 400;
	text-align: center;
	margin: 0 0 8px;
	letter-spacing: 2px;
	color: #3d2b1f;
}

.t3c-booking-panel-subtitle {
	text-align: center;
	color: var(--t3c-text-light);
	font-size: 14px;
	margin: 0 0 32px;
}

/* ── 日曆 ── */
.t3c-calendar {
	background: var(--t3c-surface);
	border: 1px solid var(--t3c-border-light);
	border-radius: var(--t3c-radius);
	overflow: hidden;
}

.t3c-calendar-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 20px;
	background: var(--t3c-accent);
}

.t3c-calendar-header button {
	background: none;
	border: 1px solid var(--t3c-border);
	width: 36px;
	height: 36px;
	border-radius: 50%;
	cursor: pointer;
	font-size: 16px;
	color: var(--t3c-primary);
	transition: background 0.2s ease;
	display: flex;
	align-items: center;
	justify-content: center;
}

.t3c-calendar-header button:hover {
	background: var(--t3c-surface);
}

.t3c-calendar-month {
	font-size: 16px;
	font-weight: 400;
	letter-spacing: 1px;
}

.t3c-calendar-weekdays {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	text-align: center;
	padding: 12px 8px 8px;
	font-size: 12px;
	color: var(--t3c-text-light);
	letter-spacing: 1px;
}

.t3c-calendar-days {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 4px;
	padding: 4px 8px 12px;
}

.t3c-calendar-day {
	aspect-ratio: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	font-size: 14px;
	cursor: default;
	color: #ccc;
	transition: all 0.2s ease;
}

.t3c-calendar-day.available {
	color: var(--t3c-text);
	cursor: pointer;
}

.t3c-calendar-day.available:hover {
	background: var(--t3c-accent);
}

.t3c-calendar-day.selected {
	background: var(--t3c-primary);
	color: #fff;
}

.t3c-calendar-day.today {
	border: 1px solid var(--t3c-primary);
}

/* ── 時段選擇 ── */
.t3c-timeslots {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	justify-content: center;
	margin-top: 24px;
}

.t3c-timeslot-btn {
	background: var(--t3c-surface);
	border: 1px solid var(--t3c-border);
	padding: 10px 24px;
	border-radius: 24px;
	font-size: 14px;
	font-family: var(--t3c-font);
	color: var(--t3c-text);
	cursor: pointer;
	transition: all 0.2s ease;
	letter-spacing: 1px;
}

.t3c-timeslot-btn:hover {
	border-color: var(--t3c-primary);
	background: var(--t3c-accent);
}

.t3c-timeslot-btn.selected {
	background: var(--t3c-primary);
	border-color: var(--t3c-primary);
	color: #fff;
}

.t3c-no-slots {
	text-align: center;
	color: var(--t3c-text-light);
	font-size: 14px;
	padding: 24px;
}

/* ── 表單 ── */
.t3c-booking-form {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.t3c-form-group {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.t3c-form-group label {
	font-size: 13px;
	color: var(--t3c-text-light);
	letter-spacing: 1px;
}

.t3c-form-group input,
.t3c-form-group select,
.t3c-form-group textarea {
	border: 1px solid var(--t3c-border);
	border-radius: 8px;
	padding: 12px 16px;
	font-size: 15px;
	font-family: var(--t3c-font);
	color: var(--t3c-text);
	background: var(--t3c-surface);
	transition: border-color 0.2s ease;
	width: 100%;
	box-sizing: border-box;
}

.t3c-form-group input:focus,
.t3c-form-group select:focus,
.t3c-form-group textarea:focus {
	outline: none;
	border-color: var(--t3c-primary);
}

.t3c-form-group textarea {
	resize: vertical;
	min-height: 80px;
}

.t3c-form-error {
	color: var(--t3c-error);
	font-size: 12px;
	display: none;
}

.t3c-form-error.show {
	display: block;
}

/* ── 確認頁 ── */
.t3c-confirm-box {
	background: var(--t3c-accent);
	border: 1px solid var(--t3c-border);
	border-radius: var(--t3c-radius);
	padding: 28px;
}

.t3c-confirm-row {
	display: flex;
	padding: 8px 0;
	border-bottom: 1px solid var(--t3c-border-light);
	font-size: 14px;
}

.t3c-confirm-row:last-child {
	border-bottom: none;
}

.t3c-confirm-label {
	flex-shrink: 0;
	width: 100px;
	color: var(--t3c-text-light);
}

.t3c-confirm-value {
	flex: 1;
	color: var(--t3c-text);
}

/* ── 成功 ── */
.t3c-success-icon {
	width: 72px;
	height: 72px;
	border-radius: 50%;
	background: #e8f5e9;
	color: var(--t3c-success);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 36px;
	margin: 0 auto 24px;
}

/* ── 按鈕 ── */
.t3c-booking-actions {
	display: flex;
	gap: 12px;
	justify-content: center;
	margin-top: 32px;
}

.t3c-btn {
	display: inline-block;
	padding: 12px 40px;
	border-radius: 28px;
	font-size: 14px;
	font-family: var(--t3c-font);
	letter-spacing: 2px;
	cursor: pointer;
	transition: all 0.3s ease;
	border: none;
	text-decoration: none;
}

.t3c-btn-primary {
	background: var(--t3c-primary);
	color: #fff;
}

.t3c-btn-primary:hover {
	background: var(--t3c-primary-dark);
}

.t3c-btn-primary:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.t3c-btn-secondary {
	background: transparent;
	color: var(--t3c-primary);
	border: 1px solid var(--t3c-border);
}

.t3c-btn-secondary:hover {
	background: var(--t3c-accent);
}

/* ── 載入中 ── */
.t3c-loading {
	text-align: center;
	padding: 32px;
	color: var(--t3c-text-light);
	font-size: 14px;
}

.t3c-spinner {
	display: inline-block;
	width: 24px;
	height: 24px;
	border: 2px solid var(--t3c-border);
	border-top-color: var(--t3c-primary);
	border-radius: 50%;
	animation: t3cSpin 0.8s linear infinite;
	margin-bottom: 8px;
}

@keyframes t3cSpin {
	to { transform: rotate(360deg); }
}

/* ── 全域錯誤 ── */
.t3c-global-error {
	background: #fdecea;
	border: 1px solid #f5c6cb;
	color: var(--t3c-error);
	padding: 12px 16px;
	border-radius: 8px;
	font-size: 14px;
	text-align: center;
	margin-bottom: 20px;
	display: none;
}

.t3c-global-error.show {
	display: block;
}

/* ── 響應式 ── */
@media (max-width: 480px) {
	#the3closets-booking-app {
		padding: 24px 16px;
	}

	.t3c-booking-panel-title {
		font-size: 20px;
	}

	.t3c-timeslot-btn {
		padding: 8px 18px;
		font-size: 13px;
	}

	.t3c-btn {
		padding: 10px 28px;
		font-size: 13px;
	}

	.t3c-booking-actions {
		flex-direction: column;
		align-items: center;
	}
}