/**
 * SC-ICG Teacher Hours - Frontend Style
 * Version: 2.0.0
 *
 * All selectors scoped under .sc-icg-teacher-hours-frontend-wrap
 */

/* ==========================================================================
   Design Tokens
   ========================================================================== */

.sc-icg-teacher-hours-frontend-wrap {
	--primary-dark: #28333B;
	--accent-blue: #0A6EB1;
	--text-dark: #3E3A39;
	--text-body: #333333;
	--white: #FFFFFF;
	--danger: #C4392A;
	--accent-blue-10: rgba(10, 110, 177, 0.10);
	--accent-blue-15: rgba(10, 110, 177, 0.15);
	--dark-05: rgba(40, 51, 59, 0.05);
	--dark-08: rgba(40, 51, 59, 0.08);
	--dark-12: rgba(40, 51, 59, 0.12);
	--dark-20: rgba(40, 51, 59, 0.20);
	--dark-40: rgba(40, 51, 59, 0.40);
	--dark-60: rgba(40, 51, 59, 0.60);
	--border: rgba(40, 51, 59, 0.10);
	--surface: #F7F8F9;
	--surface-hover: #F0F2F4;
	--radius-sm: 6px;
	--radius-md: 10px;
	--radius-lg: 14px;
	--shadow-sm: 0 1px 3px rgba(40, 51, 59, 0.06), 0 1px 2px rgba(40, 51, 59, 0.04);
	--shadow-md: 0 4px 16px rgba(40, 51, 59, 0.08), 0 1px 4px rgba(40, 51, 59, 0.04);
	--shadow-lg: 0 12px 40px rgba(40, 51, 59, 0.10), 0 2px 8px rgba(40, 51, 59, 0.04);
	--transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Wrapper Reset
   ========================================================================== */

.sc-icg-teacher-hours-frontend-wrap {
	max-width: 960px;
	margin: 0 auto;
	padding: 24px 16px 48px;
	font-family: 'IBM Plex Sans', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
	font-size: 14px;
	line-height: 1.6;
	color: var(--text-body);
	-webkit-font-smoothing: antialiased;
	box-sizing: border-box;
}

.sc-icg-teacher-hours-frontend-wrap *,
.sc-icg-teacher-hours-frontend-wrap *::before,
.sc-icg-teacher-hours-frontend-wrap *::after {
	box-sizing: inherit;
}

/* ==========================================================================
   Login Card
   ========================================================================== */

.sc-icg-th-login-card {
	max-width: 400px;
	margin: 60px auto;
	background: var(--white);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-md);
	padding: 40px 32px;
	text-align: center;
}

.sc-icg-th-login-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--primary-dark);
	margin: 0 0 24px;
}

.sc-icg-th-login-error {
	background: rgba(196, 57, 42, 0.08);
	color: var(--danger);
	border: 1px solid rgba(196, 57, 42, 0.15);
	border-radius: var(--radius-sm);
	padding: 10px 14px;
	font-size: 13px;
	margin-bottom: 16px;
}

.sc-icg-th-login-form {
	text-align: left;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.sc-icg-th-form-field {
	margin-bottom: 16px;
}

.sc-icg-th-form-field label {
	display: block;
	font-size: 12.5px;
	font-weight: 500;
	color: var(--text-dark);
	margin-bottom: 6px;
}

.sc-icg-th-form-field input,
.sc-icg-th-form-field textarea,
.sc-icg-th-form-field select {
	width: 100%;
	height: 42px;
	padding: 0 14px;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	font-size: 14px;
	font-family: inherit;
	background: var(--white);
	color: var(--text-body);
	outline: none;
	transition: border-color var(--transition), box-shadow var(--transition);
}

.sc-icg-th-form-field textarea {
	height: auto;
	padding: 10px 14px;
	resize: vertical;
	line-height: 1.5;
}

.sc-icg-th-form-field input:focus,
.sc-icg-th-form-field textarea:focus,
.sc-icg-th-form-field select:focus {
	border-color: var(--accent-blue);
	box-shadow: 0 0 0 3px var(--accent-blue-10);
}

.sc-icg-th-form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.sc-icg-th-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	height: 40px;
	padding: 0 20px;
	border: none;
	border-radius: var(--radius-sm);
	font-size: 14px;
	font-weight: 500;
	font-family: inherit;
	cursor: pointer;
	transition: all var(--transition);
	line-height: 1;
	white-space: nowrap;
}

.sc-icg-th-btn-primary {
	background: var(--accent-blue);
	color: var(--white);
	width: 100%;
}

.sc-icg-th-btn-primary:hover {
	background: #0960a0;
	box-shadow: var(--shadow-sm);
}

.sc-icg-th-btn-nav {
	background: var(--white);
	color: var(--text-dark);
	border: 1px solid var(--border);
	height: 36px;
	padding: 0 14px;
	font-size: 13px;
}

.sc-icg-th-btn-nav:hover {
	background: var(--surface);
}

.sc-icg-th-btn-today {
	background: var(--accent-blue-10);
	color: var(--accent-blue);
	height: 36px;
	padding: 0 14px;
	font-size: 13px;
}

.sc-icg-th-btn-today:hover {
	background: var(--accent-blue-15);
}

.sc-icg-th-btn-small {
	height: 30px;
	padding: 0 10px;
	font-size: 12px;
	background: var(--surface);
	color: var(--dark-60);
	border: 1px solid var(--border);
}

.sc-icg-th-btn-small:hover {
	background: var(--surface-hover);
}

/* ==========================================================================
   Schedule Header
   ========================================================================== */

.sc-icg-th-schedule-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 20px;
}

.sc-icg-th-schedule-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--primary-dark);
	margin: 0;
}

/* ==========================================================================
   Notification Toggle
   ========================================================================== */

.sc-icg-th-notification-toggle {
	position: relative;
	width: 40px;
	height: 40px;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	background: var(--white);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background var(--transition);
}

.sc-icg-th-notification-toggle:hover {
	background: var(--surface);
}

.sc-icg-th-notification-toggle .dashicons {
	font-size: 18px;
	width: 18px;
	height: 18px;
	color: var(--dark-60);
}

.sc-icg-th-badge {
	position: absolute;
	top: -4px;
	right: -4px;
	min-width: 18px;
	height: 18px;
	background: var(--danger);
	color: var(--white);
	font-size: 10px;
	font-weight: 700;
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 4px;
}

/* ==========================================================================
   Week Navigation
   ========================================================================== */

.sc-icg-th-week-nav {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 20px;
	flex-wrap: wrap;
}

.sc-icg-th-week-display {
	font-size: 14px;
	font-weight: 600;
	color: var(--primary-dark);
	font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Schedule Grid
   ========================================================================== */

.sc-icg-th-schedule-grid {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 1px;
	background: var(--border);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	overflow: hidden;
	margin-bottom: 24px;
}

.sc-icg-th-grid-loading {
	grid-column: 1 / -1;
	text-align: center;
	padding: 60px 20px;
	color: var(--dark-40);
	font-size: 14px;
	background: var(--white);
}

.sc-icg-th-day-column {
	background: var(--white);
	min-height: 120px;
}

.sc-icg-th-day-header {
	padding: 10px 8px;
	text-align: center;
	background: var(--surface);
	font-size: 12px;
	font-weight: 600;
	color: var(--dark-60);
	border-bottom: 1px solid var(--border);
}

.sc-icg-th-day-header .day-date {
	display: block;
	font-size: 16px;
	font-weight: 700;
	color: var(--primary-dark);
	margin-top: 2px;
	font-variant-numeric: tabular-nums;
}

.sc-icg-th-day-header.today {
	background: var(--accent-blue);
	color: rgba(255, 255, 255, 0.8);
}

.sc-icg-th-day-header.today .day-date {
	color: var(--white);
}

.sc-icg-th-day-lessons {
	padding: 6px;
}

/* ==========================================================================
   Lesson Card
   ========================================================================== */

.sc-icg-th-lesson-card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 8px 10px;
	margin-bottom: 6px;
	cursor: pointer;
	transition: border-color var(--transition), box-shadow var(--transition);
}

.sc-icg-th-lesson-card:hover {
	border-color: var(--accent-blue);
	box-shadow: var(--shadow-sm);
}

.sc-icg-th-lesson-card:last-child {
	margin-bottom: 0;
}

.sc-icg-th-lesson-time {
	font-size: 11px;
	font-weight: 600;
	color: var(--accent-blue);
	font-variant-numeric: tabular-nums;
}

.sc-icg-th-lesson-student {
	font-size: 13px;
	font-weight: 500;
	color: var(--primary-dark);
	margin-top: 2px;
}

.sc-icg-th-lesson-type {
	font-size: 11px;
	color: var(--dark-40);
	margin-top: 2px;
}

.sc-icg-th-lesson-attendance {
	display: inline-block;
	font-size: 10px;
	font-weight: 500;
	padding: 1px 6px;
	border-radius: 10px;
	margin-top: 4px;
}

.sc-icg-th-att-present {
	background: rgba(22, 163, 74, 0.10);
	color: #15803d;
}

.sc-icg-th-att-absent {
	background: rgba(196, 57, 42, 0.10);
	color: #C4392A;
}

.sc-icg-th-att-late {
	background: rgba(217, 119, 6, 0.10);
	color: #b45309;
}

.sc-icg-th-att-leave {
	background: rgba(217, 119, 6, 0.10);
	color: #b45309;
}

.sc-icg-th-att-rescheduled {
	background: var(--accent-blue-10);
	color: var(--accent-blue);
}

.sc-icg-th-att-cancelled {
	background: rgba(196, 57, 42, 0.10);
	color: #C4392A;
}

/* ==========================================================================
   Notification Panel
   ========================================================================== */

.sc-icg-th-notification-panel {
	position: fixed;
	top: 0;
	right: 0;
	width: 360px;
	max-width: 90vw;
	height: 100vh;
	background: var(--white);
	box-shadow: var(--shadow-lg);
	z-index: 10000;
	display: flex;
	flex-direction: column;
	animation: slideInRight 0.25s ease;
}

@keyframes slideInRight {
	from { transform: translateX(100%); }
	to { transform: translateX(0); }
}

.sc-icg-th-notification-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 16px 20px;
	border-bottom: 1px solid var(--border);
}

.sc-icg-th-notification-header h3 {
	font-size: 16px;
	font-weight: 600;
	color: var(--primary-dark);
	margin: 0;
}

.sc-icg-th-notification-list {
	flex: 1;
	overflow-y: auto;
	padding: 0;
}

.sc-icg-th-notification-empty {
	text-align: center;
	padding: 40px 20px;
	color: var(--dark-40);
	font-size: 13px;
}

.sc-icg-th-notification-item {
	padding: 14px 20px;
	border-bottom: 1px solid var(--dark-05);
	cursor: pointer;
	transition: background var(--transition);
}

.sc-icg-th-notification-item:hover {
	background: var(--dark-05);
}

.sc-icg-th-notification-item.sc-icg-th-unread {
	background: rgba(10, 110, 177, 0.04);
}

.sc-icg-th-notification-title {
	font-size: 13px;
	font-weight: 600;
	color: var(--primary-dark);
	display: flex;
	align-items: center;
	gap: 6px;
}

.sc-icg-th-unread-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--accent-blue);
	flex-shrink: 0;
}

.sc-icg-th-notification-message {
	font-size: 12.5px;
	color: var(--dark-60);
	margin-top: 4px;
	line-height: 1.5;
}

.sc-icg-th-notification-time {
	font-size: 11px;
	color: var(--dark-40);
	margin-top: 6px;
}

/* ==========================================================================
   Modal
   ========================================================================== */

.sc-icg-th-modal {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 10001;
	display: flex;
	align-items: center;
	justify-content: center;
}

.sc-icg-th-modal-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
}

.sc-icg-th-modal-content {
	position: relative;
	background: var(--white);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-lg);
	width: 90%;
	max-width: 480px;
	max-height: 85vh;
	overflow-y: auto;
	animation: fadeInUp 0.25s ease;
}

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(16px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.sc-icg-th-modal-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 16px 20px;
	border-bottom: 1px solid var(--border);
}

.sc-icg-th-modal-header h3 {
	font-size: 16px;
	font-weight: 600;
	color: var(--primary-dark);
	margin: 0;
}

.sc-icg-th-modal-close {
	width: 32px;
	height: 32px;
	background: none;
	border: none;
	font-size: 22px;
	cursor: pointer;
	color: var(--dark-40);
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius-sm);
	transition: background var(--transition);
}

.sc-icg-th-modal-close:hover {
	background: var(--dark-05);
	color: var(--text-dark);
}

/* ==========================================================================
   Modal Tabs
   ========================================================================== */

.sc-icg-th-modal-tabs {
	display: flex;
	border-bottom: 1px solid var(--border);
}

.sc-icg-th-tab-btn {
	flex: 1;
	padding: 12px 16px;
	background: none;
	border: none;
	border-bottom: 2px solid transparent;
	font-size: 13.5px;
	font-weight: 500;
	font-family: inherit;
	color: var(--dark-40);
	cursor: pointer;
	transition: all var(--transition);
}

.sc-icg-th-tab-btn.active {
	color: var(--accent-blue);
	border-bottom-color: var(--accent-blue);
}

.sc-icg-th-tab-btn:hover:not(.active) {
	color: var(--text-dark);
	background: var(--dark-05);
}

.sc-icg-th-tab-content {
	padding: 20px;
}

.sc-icg-th-change-form button[type="submit"] {
	margin-top: 8px;
}

/* ==========================================================================
   Pending Status
   ========================================================================== */

.sc-icg-th-pending-status {
	padding: 16px 20px;
	border-top: 1px solid var(--border);
}

.sc-icg-th-pending-status h4 {
	font-size: 13px;
	font-weight: 600;
	color: var(--primary-dark);
	margin: 0 0 10px;
}

.sc-icg-th-pending-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.sc-icg-th-pending-item {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 8px 0;
	border-bottom: 1px solid var(--dark-05);
	font-size: 12.5px;
	flex-wrap: wrap;
}

.sc-icg-th-pending-item:last-child {
	border-bottom: none;
}

.sc-icg-th-pending-type {
	font-weight: 600;
	color: var(--primary-dark);
}

.sc-icg-th-pending-date {
	font-variant-numeric: tabular-nums;
	color: var(--dark-60);
}

.sc-icg-th-pending-arrow {
	color: var(--dark-40);
}

.sc-icg-th-status-badge {
	font-size: 11px;
	font-weight: 500;
	padding: 2px 8px;
	border-radius: 10px;
}

.sc-icg-th-status-pending {
	background: rgba(217, 119, 6, 0.10);
	color: #b45309;
}

.sc-icg-th-status-approved {
	background: rgba(22, 163, 74, 0.10);
	color: #15803d;
}

.sc-icg-th-status-rejected {
	background: rgba(196, 57, 42, 0.10);
	color: #C4392A;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
	.sc-icg-th-schedule-grid {
		grid-template-columns: 1fr;
	}

	.sc-icg-th-day-column {
		min-height: auto;
	}

	.sc-icg-th-day-header {
		display: flex;
		align-items: center;
		gap: 8px;
		padding: 8px 12px;
	}

	.sc-icg-th-day-header .day-date {
		display: inline;
		font-size: 14px;
		margin-top: 0;
	}

	.sc-icg-th-day-lessons {
		padding: 8px 12px;
	}

	.sc-icg-th-lesson-card {
		display: flex;
		align-items: center;
		gap: 12px;
	}

	.sc-icg-th-week-nav {
		justify-content: center;
	}

	.sc-icg-th-schedule-header {
		flex-wrap: wrap;
		gap: 12px;
	}

	.sc-icg-th-schedule-title {
		font-size: 18px;
	}

	.sc-icg-th-form-row {
		grid-template-columns: 1fr;
	}

	.sc-icg-th-notification-panel {
		width: 100%;
		max-width: 100vw;
	}
}

@media (max-width: 480px) {
	.sc-icg-teacher-hours-frontend-wrap {
		padding: 16px 12px 32px;
	}

	.sc-icg-th-login-card {
		margin: 30px auto;
		padding: 28px 20px;
	}
}