/**
 * BricksDash — Course Nav Sidebar
 *
 * Base styles for the Course Navigation Sidebar element.
 * Most styling is handled via Bricks' built-in CSS controls.
 *
 * @package BricksDash
 */

/* =====================
   Container
   ===================== */
.bd-course-nav {
	display: flex;
	flex-direction: column;
	width: 100%;
	overflow: hidden;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* =====================
   Course Header
   ===================== */
.bd-course-nav__header {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: 180px;
	padding: 24px;
	background-color: #00d4ff;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	position: relative;
}

.bd-course-nav__logo {
	max-width: 120px;
	height: auto;
	margin-bottom: 8px;
	position: relative;
	z-index: 1;
}

.bd-course-nav__header-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 0;
	pointer-events: none;
}

.bd-course-nav__header-text {
	color: #ffffff;
	font-size: 18px;
	font-weight: 600;
	text-align: center;
	text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
	position: relative;
	z-index: 1;
}

/* =====================
   Section Headers
   ===================== */
.bd-course-nav__section-header {
	display: flex;
	align-items: center;
	padding: 14px 20px;
	background-color: #e0e0e0;
	font-size: 16px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: #222222;
}

/* =====================
   Sub Section Headers (Topics)
   ===================== */
.bd-course-nav__sub-section-header {
	display: flex;
	align-items: center;
	padding: 10px 20px 10px 40px;
	/* Extra left padding to align with topics visually */
	background-color: #f5f5f5;
	font-size: 13px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: #555555;
}

/* =====================
   Items (Lesson, Topic, Quiz)
   ===================== */
.bd-course-nav__lesson,
.bd-course-nav__topic,
.bd-course-nav__quiz {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 16px 20px;
	text-decoration: none;
	color: inherit;
	border-bottom: 1px solid #f0f0f0;
	transition: background-color 0.15s ease;
	cursor: pointer;
}

/* Nested Items */
.bd-course-nav__topic,
.bd-course-nav__quiz {
	margin-left: 20px;
}

.bd-course-nav__lesson:hover,
.bd-course-nav__topic:hover,
.bd-course-nav__quiz:hover {
	background-color: #f8f8f8;
	text-decoration: none;
	color: inherit;
}

.bd-course-nav__lesson--active,
.bd-course-nav__topic--active,
.bd-course-nav__quiz--active {
	background-color: #f0f7ff;
}

.bd-course-nav__lesson--active:hover,
.bd-course-nav__topic--active:hover,
.bd-course-nav__quiz--active:hover {
	background-color: #e8f0fa;
}

/* =====================
   Type Icons (Lesson, Topic, Quiz)
   ===================== */
.bd-course-nav__lesson-icon,
.bd-course-nav__topic-icon,
.bd-course-nav__quiz-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	width: 24px;
	font-size: 18px;
	color: #333333;
}

.bd-course-nav__lesson-icon i,
.bd-course-nav__topic-icon i,
.bd-course-nav__quiz-icon i,
.bd-course-nav__lesson-icon svg,
.bd-course-nav__topic-icon svg,
.bd-course-nav__quiz-icon svg {
	font-size: inherit;
	width: 1em;
	height: 1em;
}

/* =====================
   Titles (Lesson, Topic, Quiz)
   ===================== */
.bd-course-nav__lesson-title,
.bd-course-nav__topic-title,
.bd-course-nav__quiz-title {
	flex: 1;
	font-size: 14px;
	font-weight: 500;
	color: #333333;
	text-transform: uppercase;
	letter-spacing: 0.3px;
}

/* Active Titles */
.bd-course-nav__lesson--active .bd-course-nav__lesson-title,
.bd-course-nav__topic--active .bd-course-nav__topic-title,
.bd-course-nav__quiz--active .bd-course-nav__quiz-title {
	font-weight: 600;
}

/* =====================
   Video Durations
   ===================== */
.bd-course-nav__lesson-duration,
.bd-course-nav__topic-duration,
.bd-course-nav__quiz-duration {
	flex-shrink: 0;
	font-size: 13px;
	font-weight: 400;
	color: #888888;
	font-variant-numeric: tabular-nums;
}

/* =====================
   Status Icons
   ===================== */
.bd-course-nav__lesson-status-icon,
.bd-course-nav__topic-status-icon,
.bd-course-nav__quiz-status-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	font-size: 24px;
	margin-left: auto;
}

.bd-course-nav__lesson-status-icon i,
.bd-course-nav__topic-status-icon i,
.bd-course-nav__quiz-status-icon i,
.bd-course-nav__lesson-status-icon svg,
.bd-course-nav__topic-status-icon svg,
.bd-course-nav__quiz-status-icon svg {
	font-size: inherit;
	width: 1em;
	height: 1em;
}

/* Status Colors */
.bd-course-nav__lesson-status--not-started,
.bd-course-nav__topic-status--not-started,
.bd-course-nav__quiz-status--not-started {
	color: #cccccc;
}

.bd-course-nav__lesson-status--in-progress,
.bd-course-nav__topic-status--in-progress,
.bd-course-nav__quiz-status--in-progress {
	color: #666666;
}

.bd-course-nav__lesson-status--completed,
.bd-course-nav__topic-status--completed,
.bd-course-nav__quiz-status--completed {
	color: #222222;
}

/* =====================
   Empty State
   ===================== */
.bd-course-nav__empty {
	padding: 24px 20px;
	text-align: center;
	color: #999999;
	font-size: 14px;
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 480px) {
	.bd-course-nav__header {
		min-height: 120px;
		padding: 16px;
	}

	.bd-course-nav__lesson,
	.bd-course-nav__topic,
	.bd-course-nav__quiz {
		padding: 12px 16px;
		gap: 10px;
	}

	.bd-course-nav__lesson-title,
	.bd-course-nav__topic-title,
	.bd-course-nav__quiz-title {
		font-size: 13px;
	}

	.bd-course-nav__lesson-duration,
	.bd-course-nav__topic-duration,
	.bd-course-nav__quiz-duration {
		font-size: 12px;
	}

	.bd-course-nav__lesson-status-icon,
	.bd-course-nav__topic-status-icon,
	.bd-course-nav__quiz-status-icon {
		font-size: 20px;
	}
}