/*
 * /public_html/assets/css/course_chapter.css
 * Centralized Visual Facelift for Course Chapter Pages
 * Designed with a premium minimalist Stations layout aesthetic.
 */

/* ==========================================================================
   1. Typography & Strict Text Hierarchy
   ========================================================================== */

.course-content {
    font-family: 'Poppins', sans-serif !important;
    color: var(--text-color) !important;
    line-height: 1.8 !important;
}

/* Set strict typographical scale & contrast */
.course-content p, 
.course-content li {
    font-size: 1.15rem !important;
    font-weight: 400 !important;
    line-height: 1.8 !important;
    color: var(--text-color) !important;
    margin-bottom: 1.5rem;
}

.course-content h1,
.course-content h2,
.course-content h3,
.course-content h4,
.course-content h5,
.course-content h6 {
    color: var(--text-color) !important;
    font-family: 'Poppins', sans-serif !important;
    letter-spacing: -0.02em;
}

/* Hero Section override */
.hero-course-overview {
    color: #ffffff !important;
    text-align: center;
    padding: 5rem 2rem !important;
    margin-bottom: 4.5rem !important;
    border-radius: 16px !important;
    position: relative;
    overflow: hidden;
    border: none !important;
    box-shadow: var(--box-shadow) !important;
}

.hero-course-overview h1 {
    font-size: 2.75rem !important;
    font-weight: 300 !important; /* Premium light style */
    letter-spacing: -0.03em !important;
    color: #ffffff !important; 
    text-shadow: 1px 1px 3px rgba(0,0,0,0.15);
    margin-bottom: 1rem !important;
}

.hero-course-overview .lead {
    font-size: 1.25rem !important;
    max-width: 800px;
    margin: 0 auto !important;
    opacity: 0.95;
    color: #ffffff !important;
    font-weight: 400 !important;
    line-height: 1.6 !important;
}

/* Section Header styling */
.verb-header {
    font-size: 1.6rem !important;
    font-weight: 500 !important; /* Editorial semi-light contrast */
    color: var(--primary-color) !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding-bottom: 0.75rem !important;
    margin-bottom: 2.25rem !important;
    margin-top: 2rem !important;
    letter-spacing: -0.01em;
}

/* ==========================================================================
   2. Breadcrumbs
   ========================================================================== */

.course-content .breadcrumb {
    padding: 0.5rem 0 !important;
    background-color: transparent !important;
    margin-bottom: 2.5rem !important;
}

.course-content .breadcrumb-item {
    font-size: 0.95rem !important;
}

.course-content .breadcrumb-item a {
    color: var(--primary-color) !important;
    text-decoration: none !important;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.course-content .breadcrumb-item a:hover {
    opacity: 0.8;
}

.course-content .breadcrumb-item::before {
    color: var(--text-muted-color) !important;
}

.course-content .breadcrumb-item.active {
    color: var(--text-muted-color) !important;
}

/* ==========================================================================
   3. Spacing & Negative Space
   ========================================================================== */

/* Outer vertical spacing of chapters to allow content to breathe */
.course-content section {
    margin-bottom: 6rem !important;
}

/* Centralized container card for course batches */
.verb-batch-card {
    background-color: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 16px !important;
    padding: 3.5rem !important;
    box-shadow: var(--box-shadow) !important;
    margin-bottom: 3.5rem !important;
}

@media (max-width: 768px) {
    .verb-batch-card {
        padding: 1.75rem !important;
    }
}

/* ==========================================================================
   4. Accent Cards (Mnemonic, Analogy, Recall)
   ========================================================================== */

.analogy-card,
.mnemonic-card,
.recall-box {
    background-color: var(--background-color) !important;
    border: none !important;
    border-left: 4px solid var(--primary-color) !important;
    border-radius: 8px !important;
    padding: 2rem !important;
    margin: 2.5rem 0 !important;
    box-shadow: none !important;
}

.mnemonic-card {
    border-left-color: var(--warning-color) !important;
}

.recall-box {
    border-left-color: var(--secondary-color) !important;
}

.analogy-card h5,
.mnemonic-card h5,
.recall-box h5 {
    color: var(--text-color) !important;
    margin-top: 0 !important;
    margin-bottom: 0.75rem !important;
}

.analogy-card p,
.mnemonic-card p,
.recall-box p {
    margin-bottom: 0 !important;
}

/* ==========================================================================
   5. Dialogue Loops (Sleek Grid Layout)
   ========================================================================== */

/* Outer card enclosing the dialog sequence */
.course-content .card.bg-dark.border-secondary {
    background-color: var(--background-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 16px !important;
    box-shadow: none !important;
    padding: 2rem !important;
    margin: 2.5rem auto !important;
}

.course-content .card.bg-dark.border-secondary .card-body {
    padding: 0 !important;
}

/* Dialogue grid row */
.course-content .d-flex.mb-4 {
    display: grid !important;
    grid-template-columns: 75px 1fr !important;
    gap: 0 !important;
    margin-bottom: 2rem !important;
    align-items: start !important;
}

/* Right-aligned speaker */
.course-content .d-flex.mb-4.justify-content-end {
    grid-template-columns: 1fr 75px !important;
}

/* Avatar profile wrapper */
.course-content .d-flex.mb-4 > div:first-child:not(.bg-dark-subtle):not(.flex-grow-1),
.course-content .d-flex.mb-4 > div:last-child:not(.bg-dark-subtle):not(.flex-grow-1) {
    width: auto !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
}

/* Align right speaker's avatar specifically */
.course-content .d-flex.mb-4.justify-content-end > div:last-child {
    grid-column: 2 !important;
}
.course-content .d-flex.mb-4.justify-content-end > div:first-child {
    grid-column: 1 !important;
}

/* Circle monogram badge */
.course-content .rounded-circle {
    width: 48px !important;
    height: 48px !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--box-shadow) !important;
    margin-bottom: 0.5rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Speaker name label */
.course-content .d-flex.mb-4 small {
    font-weight: 500 !important;
    color: var(--text-muted-color) !important;
    font-size: 0.85rem !important;
}

/* Dialogue speech bubble */
.course-content .bg-dark-subtle {
    background-color: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 14px !important;
    padding: 1.5rem !important;
    box-shadow: var(--box-shadow) !important;
    margin: 0 !important;
}

/* Accent highlight on the second speaker's bubble to structure flow */
.course-content .d-flex.mb-4.justify-content-end .bg-dark-subtle {
    border-left: 3px solid var(--primary-color) !important;
}

.course-content .bg-dark-subtle p {
    margin-bottom: 0.5rem !important;
}
.course-content .bg-dark-subtle p:last-child {
    margin-bottom: 0 !important;
}

.course-content .bg-dark-subtle p.phonetic {
    font-size: 0.95rem !important;
    color: var(--text-muted-color) !important;
    font-family: monospace !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
}

.course-content .bg-dark-subtle small.text-muted {
    font-size: 0.9rem !important;
    color: var(--text-muted-color) !important;
}

/* ==========================================================================
   6. Modernized Tables & Grids (Vocabulary & Pronunciation)
   ========================================================================== */

.course-content table.table {
    border-collapse: collapse !important;
    background-color: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: var(--box-shadow) !important;
    margin: 2.5rem 0 !important;
    color: var(--text-color) !important;
}

.course-content table.table thead {
    background-color: var(--background-color) !important;
    border-bottom: 2px solid var(--border-color) !important;
}

.course-content table.table th {
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: var(--text-muted-color) !important;
    padding: 1.25rem 1rem !important;
    border: none !important;
    background: transparent !important;
}

.course-content table.table td {
    padding: 1.25rem 1rem !important;
    border: none !important;
    border-bottom: 1px solid var(--border-color) !important;
    background: transparent !important;
    color: var(--text-color) !important;
}

.course-content table.table tr:last-child td {
    border-bottom: none !important;
}

/* Pronunciation phonetic span */
.course-content .phonetic {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--primary-color) !important;
    border: 1px solid var(--border-color);
}

/* Speaker Audio Icons */
.course-content .audio-icon {
    color: var(--primary-color) !important;
    transition: all 0.2s ease-in-out !important;
    cursor: pointer;
}

.course-content .audio-icon:hover {
    color: var(--warning-color) !important;
    transform: scale(1.15) !important;
}

/* ==========================================================================
   7. Micro-Quizzes & Interactive Forms
   ========================================================================== */

/* Quiz wrapper spacing */
.course-content .details-quiz {
    margin-top: 1.5rem !important;
}

/* Quiz choice list item */
.course-content .form-check {
    display: flex !important;
    align-items: center !important;
    padding: 1rem 1.25rem !important;
    margin-bottom: 0.75rem !important;
    background-color: var(--background-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
}

.course-content .form-check:hover {
    border-color: var(--primary-color) !important;
    background-color: var(--surface-color) !important;
}

.course-content .form-check-input {
    margin-top: 0 !important;
    margin-left: 0 !important; /* Fix default Bootstrap negative margin pulling dot off container border */
    margin-right: 0.75rem !important;
    border-color: var(--border-color) !important;
    background-color: var(--surface-color) !important;
    width: 1.15em !important;
    height: 1.15em !important;
    cursor: pointer !important;
}

.course-content .form-check-input:checked {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.course-content .form-check-label {
    font-size: 1.05rem !important;
    font-weight: 500 !important;
    color: var(--text-color) !important;
    cursor: pointer !important;
    padding-left: 0.25rem !important;
}

/* Reveal Answers panel */
.course-content details.details-quiz {
    margin-top: 2rem !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    background-color: var(--background-color) !important;
    overflow: hidden !important;
    transition: all 0.3s ease !important;
}

.course-content details.details-quiz[open] {
    background-color: var(--surface-color) !important;
}

.course-content details.details-quiz summary {
    padding: 1.25rem 1.5rem !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    color: var(--primary-color) !important;
    cursor: pointer !important;
    outline: none !important;
    user-select: none !important;
    transition: background-color 0.2s ease !important;
}

.course-content details.details-quiz summary:hover {
    background-color: rgba(var(--primary-rgb), 0.05) !important;
}

.course-content details.details-quiz > div {
    padding: 1.5rem !important;
    border-top: 1px solid var(--border-color) !important;
    background-color: var(--background-color) !important;
}

.course-content details.details-quiz > div p {
    font-size: 1.05rem !important;
    margin-bottom: 0.75rem !important;
}

/* ==========================================================================
   8. Specific Page Widgets & Buttons
   ========================================================================== */

/* Genie lamp optimization */
.genie-lamp-container {
    background-color: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 16px !important;
    padding: 2.5rem !important;
    box-shadow: var(--box-shadow) !important;
}

.wish-bubble {
    background-color: var(--background-color) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-color) !important;
    border-radius: 12px !important;
    padding: 1.5rem !important;
}

.wish-bubble::after {
    border-color: var(--border-color) transparent !important;
}

/* Flashcard link boxes */
.flashcard-link-box {
    border: 1.5px dashed var(--info-color) !important;
    background-color: var(--background-color) !important;
    padding: 2rem !important;
    margin-top: 3.5rem !important;
    border-radius: 12px !important;
    text-align: center !important;
}

/* Audio Pronunciation Indicators */
.audio-pronounce-icon {
    color: var(--info-color);
    cursor: pointer;
    transition: color 0.2s ease-in-out, transform 0.2s ease;
    display: inline-block;
    vertical-align: middle;
}
.audio-pronounce-icon:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}
.audio-pronounce-icon.speaking { 
    color: var(--success-color); 
}