/* -------------------------------------------------------------------------
   PANEL TABS — Navigation system for user panels
   ------------------------------------------------------------------------- */
.relatia-panel-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 0;
	border-bottom: 2px solid #e4e4e7;
	margin-bottom: 24px;
}

.relatia-panel-tab {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 12px 18px;
	font-size: 14px;
	font-weight: 500;
	color: #71717a;
	cursor: pointer;
	border-bottom: 2px solid transparent;
	margin-bottom: -2px;
	transition: color 0.2s, border-color 0.2s;
	background: none;
	border-top: none;
	border-left: none;
	border-right: none;
	white-space: nowrap;
	user-select: none;
}

.relatia-panel-tab:hover {
	color: #18181b;
}

.relatia-panel-tab.active {
	color: var(--relatia-color-main, #4a6cf7);
	border-bottom-color: var(--relatia-color-main, #4a6cf7);
}

.relatia-panel-tab-icon {
	font-size: 18px !important;
	line-height: 1;
}

/* Screens */
.relatia-panel-screen {
	display: none;
}

.relatia-panel-screen.active {
	display: block;
}

/* Section header (title + action button inline) */
.relatia-panel-section-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 15px;
}

.relatia-panel-section-header h3,
.relatia-panel-section-header h4 {
	margin: 0;
}

.relatia-panel .relatia-teacher-section > h4 {
	margin-top: 0;
}

/* -------------------------------------------------------------------------
   BOOK LIST CARDS — scoped under .relatia-panel for specificity
   ------------------------------------------------------------------------- */
.relatia-panel .relatia-book-list {
	list-style: none !important;
	padding: 0 !important;
	margin: 0 !important;
	display: flex !important;
	flex-direction: column !important;
	gap: 10px !important;
}

.relatia-panel .relatia-book-card {
	display: flex !important;
	align-items: center !important;
	gap: 14px;
	padding: 12px 16px;
	border-radius: 10px;
	border: 1px solid rgba(0, 0, 0, 0.08);
	background: rgba(0, 0, 0, 0.015);
	transition: border-color 0.2s, box-shadow 0.2s;
}

.relatia-panel .relatia-book-card:hover {
	border-color: rgba(0, 0, 0, 0.14);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Cover */
.relatia-panel .relatia-book-card-cover {
	flex-shrink: 0 !important;
	width: 48px !important;
	height: 64px !important;
	min-width: 48px !important;
	max-width: 48px !important;
	border-radius: 6px;
	overflow: hidden !important;
	background: #f0f0f5;
	display: flex !important;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	color: inherit;
}

.relatia-panel .relatia-book-card-cover img {
	width: 100% !important;
	height: 100% !important;
	max-width: 100% !important;
	object-fit: cover !important;
	display: block !important;
}

.relatia-panel .relatia-book-card-cover .dashicons {
	font-size: 22px;
	width: 22px;
	height: 22px;
	color: #a1a1aa;
}

/* Info column */
.relatia-panel .relatia-book-card-info {
	flex: 1 1 0% !important;
	min-width: 0 !important;
}

.relatia-panel .relatia-book-card-title-link {
	text-decoration: none;
	color: inherit;
}

.relatia-panel .relatia-book-card-title-link:hover,
.relatia-panel .relatia-book-card-title-link:focus {
	text-decoration: none;
	color: inherit;
}

.relatia-panel .relatia-book-card-title {
	font-size: 14px;
	font-weight: 600;
	margin: 0 0 4px !important;
	padding: 0 !important;
	line-height: 1.3;
}

.relatia-panel .relatia-book-card-meta {
	display: flex !important;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px;
	font-size: 12px;
	color: #71717a;
	line-height: 1.4;
	margin: 0 !important;
	padding: 0 !important;
}

.relatia-panel .relatia-book-card-meta-item {
	display: inline-flex !important;
	align-items: center;
	gap: 3px;
	white-space: nowrap;
}

.relatia-panel .relatia-book-card-meta-item .material-icons-outlined {
	font-size: 14px !important;
	vertical-align: middle;
}

.relatia-panel .relatia-book-card-star {
	color: #f59e0b;
}

.relatia-panel .relatia-book-card-rating-count {
	color: #a1a1aa;
}

/* Badges */
.relatia-panel .relatia-book-card-badge {
	display: inline-block;
	font-size: 11px;
	font-weight: 500;
	padding: 1px 8px;
	border-radius: 20px;
	line-height: 1.5;
}

.relatia-panel .relatia-book-card-badge--open {
	background: rgba(34, 197, 94, 0.1);
	color: #16a34a;
}

.relatia-panel .relatia-book-card-badge--closed {
	background: rgba(113, 113, 122, 0.1);
	color: #71717a;
}

.relatia-panel .relatia-book-card-badge--pulse {
	animation: relatia-planning-pulse 2.5s ease-in-out infinite;
}

@keyframes relatia-planning-pulse {
	0%, 100% { opacity: 1; }
	50%      { opacity: 0.4; }
}

@media (prefers-reduced-motion: reduce) {
	.relatia-panel .relatia-book-card-badge--pulse { animation: none; }
}

/* Draft notice */
.relatia-panel .relatia-book-card-draft {
	font-size: 12px;
	color: #d97706;
	margin-top: 5px;
	display: flex;
	align-items: baseline;
	gap: 4px;
	flex-wrap: wrap;
}

.relatia-panel .relatia-book-card-draft .material-icons-outlined {
	font-size: 14px !important;
	vertical-align: middle;
}

.relatia-panel .relatia-book-card-draft a {
	color: #d97706;
	text-decoration: underline;
}

.relatia-panel .relatia-book-card-draft a:hover {
	color: #b45309;
}

/* Actions column */
.relatia-panel .relatia-book-card-actions {
	display: flex !important;
	align-items: center;
	gap: 6px;
	flex-shrink: 0 !important;
}

/* Add new book — dashed card */
.relatia-panel .relatia-book-add-card {
	display: flex !important;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 16px;
	border-radius: 10px;
	border: 2px dashed rgba(0, 0, 0, 0.1) !important;
	color: #71717a;
	font-size: 13px;
	font-weight: 500;
	cursor: pointer;
	transition: border-color 0.2s, color 0.2s, background 0.2s;
	text-decoration: none !important;
}

.relatia-panel .relatia-book-add-card:hover {
	border-color: var(--relatia-color-main, #4a6cf7) !important;
	color: var(--relatia-color-main, #4a6cf7);
	background: rgba(74, 108, 247, 0.04);
	text-decoration: none !important;
}

.relatia-panel .relatia-book-add-card .material-icons-outlined {
	font-size: 20px !important;
}

/* Empty state */
.relatia-panel .relatia-book-list-empty {
	text-align: center;
	padding: 32px 16px;
	color: #a1a1aa;
	font-size: 13px;
}

/* Favorite button in panel cards — inline style */
.relatia-panel .relatia-book-card-actions .relatia-favorite-btn {
	position: static;
	background: none;
	border: none;
	width: 32px;
	height: 32px;
	padding: 0;
	border-radius: 6px;
	box-shadow: none;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: color 0.2s;
	outline: none;
}

.relatia-panel .relatia-book-card-actions .relatia-favorite-btn .material-icons-outlined {
	font-size: 20px;
	color: #a1a1aa;
}

.relatia-panel .relatia-book-card-actions .relatia-favorite-btn:hover {
	background: rgba(0, 0, 0, 0.04);
	transform: none;
}

.relatia-panel .relatia-book-card-actions .relatia-favorite-btn.is-favorited .material-icons-outlined {
	color: #ef4444;
}

/* -------------------------------------------------------------------------
   CHAPTER LIST
   ------------------------------------------------------------------------- */
.relatia-panel .relatia-chapter-list {
	display: flex !important;
	flex-direction: column !important;
	gap: 16px;
}

.relatia-panel .relatia-chapter-group-title {
	font-size: 13px;
	font-weight: 600;
	color: #52525b;
	padding-bottom: 6px;
	border-bottom: 1px solid rgba(0, 0, 0, 0.06);
	margin-bottom: 4px;
}

.relatia-panel .relatia-chapter-group-title--muted {
	color: #a1a1aa;
}

.relatia-panel .relatia-chapter-row {
	display: flex !important;
	align-items: center !important;
	justify-content: space-between;
	gap: 12px;
	padding: 8px 12px;
	border-radius: 8px;
	transition: background 0.15s;
}

.relatia-panel .relatia-chapter-row:hover {
	background: rgba(0, 0, 0, 0.025);
}

.relatia-panel .relatia-chapter-row-title {
	font-size: 13px;
	flex: 1 1 0% !important;
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	display: inline-flex !important;
	align-items: center;
	gap: 8px;
}

/* Warning card variant */
.relatia-panel .relatia-card-warning {
	border-color: rgba(217, 119, 6, 0.25) !important;
}

/* -------------------------------------------------------------------------
   DARK MODE — Panels & cards
   ------------------------------------------------------------------------- */
[data-theme="dark"] .relatia-panel-nav {
	border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .relatia-panel-tab {
	color: #a1a1aa;
}

[data-theme="dark"] .relatia-panel-tab:hover {
	color: #e4e4e7;
}

[data-theme="dark"] .relatia-panel .relatia-book-card {
	border-color: rgba(255, 255, 255, 0.08) !important;
	background: rgba(255, 255, 255, 0.03) !important;
}

[data-theme="dark"] .relatia-panel .relatia-book-card:hover {
	border-color: rgba(255, 255, 255, 0.16) !important;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .relatia-panel .relatia-book-card-cover {
	background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .relatia-panel .relatia-book-card-cover .dashicons {
	color: #71717a;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-title-link {
	color: inherit;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-title {
	color: #f4f4f5;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-meta {
	color: #a1a1aa;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-rating-count {
	color: #71717a;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-badge--open {
	background: rgba(34, 197, 94, 0.15);
	color: #4ade80;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-badge--closed {
	background: rgba(113, 113, 122, 0.15);
	color: #a1a1aa;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-draft {
	color: #fbbf24;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-draft a {
	color: #fbbf24;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-draft a:hover {
	color: #f59e0b;
}

[data-theme="dark"] .relatia-panel .relatia-book-add-card {
	border-color: rgba(255, 255, 255, 0.08) !important;
	color: #a1a1aa;
}

[data-theme="dark"] .relatia-panel .relatia-book-add-card:hover {
	border-color: var(--relatia-color-main, #4a6cf7) !important;
	color: var(--relatia-color-main, #4a6cf7);
	background: rgba(74, 108, 247, 0.08);
}

[data-theme="dark"] .relatia-panel .relatia-book-list-empty {
	color: #71717a;
}

/* Chapter list — dark mode */
[data-theme="dark"] .relatia-panel .relatia-chapter-group-title {
	color: #a1a1aa;
	border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .relatia-panel .relatia-chapter-group-title--muted {
	color: #71717a;
}

[data-theme="dark"] .relatia-panel .relatia-chapter-row:hover {
	background: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .relatia-panel .relatia-chapter-row-title {
	color: #e4e4e7;
}

/* -------------------------------------------------------------------------
   BOOK CARD LINK VARIANT
   ------------------------------------------------------------------------- */

.relatia-panel .relatia-book-card--link {
	text-decoration: none;
	color: inherit;
	cursor: pointer;
}

.relatia-panel .relatia-book-card--link:hover,
.relatia-panel .relatia-book-card--link:focus {
	text-decoration: none;
	color: inherit;
}

/* -------------------------------------------------------------------------
   PROGRESS TAB
   ------------------------------------------------------------------------- */

.relatia-panel-progress-hero {
	display: flex !important;
	align-items: center !important;
	gap: 20px !important;
	padding: 20px !important;
	border-radius: 12px;
	background: rgba(0, 0, 0, 0.015);
	border: 1px solid rgba(0, 0, 0, 0.08);
	overflow: hidden;
}

.relatia-panel-progress-ring-wrap {
	position: relative !important;
	flex-shrink: 0 !important;
	width: 80px !important;
	height: 80px !important;
	min-width: 80px !important;
	max-width: 80px !important;
	min-height: 80px !important;
	max-height: 80px !important;
}

.relatia-panel-progress-ring {
	width: 80px !important;
	height: 80px !important;
	max-width: 80px !important;
	max-height: 80px !important;
	display: block !important;
}

.relatia-panel-progress-emoji {
	position: absolute !important;
	top: 50% !important;
	left: 50% !important;
	transform: translate(-50%, -50%) !important;
	font-size: 28px !important;
	line-height: 1 !important;
}

.relatia-panel-progress-info {
	flex: 1 1 0% !important;
	min-width: 0 !important;
}

.relatia-panel-progress-level {
	font-size: 16px !important;
	font-weight: 600;
	margin: 0 0 2px !important;
	padding: 0 !important;
}

.relatia-panel-progress-pct {
	font-size: 24px !important;
	font-weight: 700;
	color: var(--relatia-color-main, #4a6cf7);
	line-height: 1.2;
	margin: 0 !important;
	padding: 0 !important;
}

.relatia-panel-progress-detail {
	font-size: 12px;
	color: #71717a;
	margin: 2px 0 0 !important;
	padding: 0 !important;
}

.relatia-panel-progress-stats {
	display: grid !important;
	grid-template-columns: repeat(3, 1fr) !important;
	gap: 12px;
	margin-top: 16px !important;
}

.relatia-panel-progress-stat {
	text-align: center;
	padding: 12px 8px;
	border-radius: 10px;
	background: rgba(0, 0, 0, 0.015);
	border: 1px solid rgba(0, 0, 0, 0.08);
}

.relatia-panel-progress-stat-value {
	font-size: 18px !important;
	font-weight: 700;
	line-height: 1.3;
	margin: 0 !important;
	padding: 0 !important;
}

.relatia-panel-progress-stat-label {
	font-size: 11px;
	color: #71717a;
	margin: 2px 0 0 !important;
	padding: 0 !important;
}

.relatia-panel-progress-section-title {
	font-size: 14px !important;
	font-weight: 600;
	margin: 20px 0 10px !important;
	padding: 0 !important;
}

/* Overdue badge */
.relatia-panel .relatia-book-card-badge--overdue {
	background: rgba(239, 68, 68, 0.1);
	color: #dc2626;
}

/* Progress dark theme */
[data-theme="dark"] .relatia-panel-progress-hero {
	background: rgba(255, 255, 255, 0.03);
	border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .relatia-panel-progress-level {
	color: #f4f4f5;
}

[data-theme="dark"] .relatia-panel-progress-detail {
	color: #a1a1aa;
}

[data-theme="dark"] .relatia-panel-progress-stat {
	background: rgba(255, 255, 255, 0.03);
	border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .relatia-panel-progress-stat-value {
	color: #f4f4f5;
}

[data-theme="dark"] .relatia-panel-progress-stat-label {
	color: #a1a1aa;
}

[data-theme="dark"] .relatia-panel-progress-section-title {
	color: #e4e4e7;
}

[data-theme="dark"] .relatia-panel .relatia-book-card-badge--overdue {
	background: rgba(239, 68, 68, 0.15);
	color: #f87171;
}

/* -------------------------------------------------------------------------
   QUIZ CARDS
   ------------------------------------------------------------------------- */

.relatia-panel .relatia-quiz-score {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	padding: 3px 10px;
	border-radius: 20px;
	font-size: 13px;
	font-weight: 600;
	line-height: 1.4;
}

.relatia-panel .relatia-quiz-score--pass {
	background: rgba(34, 197, 94, 0.1);
	color: #16a34a;
}

.relatia-panel .relatia-quiz-score--fail {
	background: rgba(239, 68, 68, 0.1);
	color: #dc2626;
}

.relatia-panel .relatia-empty-state {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 48px 24px;
	text-align: center;
	color: #a1a1aa;
}

.relatia-panel .relatia-empty-state .material-icons-outlined {
	font-size: 40px !important;
	margin-bottom: 12px;
	opacity: 0.5;
}

.relatia-panel .relatia-empty-state p {
	margin: 0;
	font-size: 14px;
}

/* Quiz dark theme */
[data-theme="dark"] .relatia-panel .relatia-quiz-score--pass {
	background: rgba(34, 197, 94, 0.15);
	color: #4ade80;
}

[data-theme="dark"] .relatia-panel .relatia-quiz-score--fail {
	background: rgba(239, 68, 68, 0.15);
	color: #f87171;
}

[data-theme="dark"] .relatia-panel .relatia-empty-state {
	color: #71717a;
}

/* -------------------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------------------- */
@media (max-width: 600px) {
	.relatia-panel-nav {
		gap: 0;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: none;
	}

	.relatia-panel-nav::-webkit-scrollbar {
		display: none;
	}

	.relatia-panel-tab {
		padding: 10px 14px;
		font-size: 13px;
	}

	.relatia-panel-tab-icon {
		font-size: 16px !important;
	}

	.relatia-panel .relatia-book-card {
		flex-wrap: wrap !important;
		gap: 10px;
	}

	.relatia-panel .relatia-book-card-actions {
		width: 100%;
		justify-content: flex-end;
		padding-top: 4px;
		border-top: 1px solid rgba(0, 0, 0, 0.05);
	}

	[data-theme="dark"] .relatia-panel .relatia-book-card-actions {
		border-top-color: rgba(255, 255, 255, 0.06);
	}

	.relatia-panel-progress-hero {
		gap: 14px !important;
		padding: 14px !important;
	}

	.relatia-panel-progress-ring-wrap {
		width: 64px !important;
		height: 64px !important;
		min-width: 64px !important;
		max-width: 64px !important;
		min-height: 64px !important;
		max-height: 64px !important;
	}

	.relatia-panel-progress-ring {
		width: 64px !important;
		height: 64px !important;
		max-width: 64px !important;
		max-height: 64px !important;
	}

	.relatia-panel-progress-emoji {
		font-size: 22px !important;
	}

	.relatia-panel-progress-pct {
		font-size: 20px !important;
	}

	.relatia-panel-progress-stats {
		gap: 8px;
	}

	.relatia-panel-progress-stat {
		padding: 10px 6px;
	}

	.relatia-panel-progress-stat-value {
		font-size: 16px !important;
	}
}