/* Modern UI styles matching the mockups exactly */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-blue: #0066ff;
    --primary-blue-hover: #0052cc;
    --primary-blue-light: rgba(0, 102, 255, 0.08);
    --danger-red: #ef4444;
    --danger-red-light: rgba(239, 68, 68, 0.08);
    --text-dark: #0f172a;
    --text-main: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --bg-light: #f8fafc;
    --radius-lg: 12px;
    --radius-md: 8px;
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* Base resets & typography */
.course {
    font-family: 'Inter', sans-serif !important;
    background-color: var(--bg-light) !important;
    color: var(--text-main) !important;
    padding-top: 65px;
    padding-bottom: 60px;
    min-height: 100vh;
}

/* Grid Layout */
.course-page {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    margin-top: 16px;
    align-items: start;
}

@media (max-width: 1024px) {
    .course-page {
        grid-template-columns: 1fr 300px;
        gap: 16px;
    }
    .card-body-tab {
        padding: 16px !important;
    }
    .sidebar-card {
        padding: 16px !important;
    }
}

/* Header title and buttons row */
.page-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title {
    font-size: 28px !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
    margin: 0 !important;
    font-family: 'Inter', sans-serif !important;
}

/* Buttons Container */
.action-buttons-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Buttons overriding .blue-btn and .grey-btn */
.course .blue-btn,
.course .grey-btn,
.btn-modern-mock {
    font-family: 'Inter', sans-serif !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-md) !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
    height: 40px !important;
    text-transform: none !important;
}

/* Back Button styling (white background, blue border & text) */
.course input[type="submit"].blue-btn[id*="btnCancel"],
.course input[type="submit"].grey-btn[id*="btnCancel"],
.course .btn-back-style {
    background-color: #ffffff !important;
    color: var(--primary-blue) !important;
    border: 1px solid var(--primary-blue) !important;
    box-shadow: none !important;
}

.course input[type="submit"].blue-btn[id*="btnCancel"]:hover,
.course input[type="submit"].grey-btn[id*="btnCancel"]:hover,
.course .btn-back-style:hover {
    background-color: var(--primary-blue-light) !important;
}

/* Add To Cart Button styling (solid blue background, white text) */
.course input[type="submit"].blue-btn[id*="btnaddtocart"],
.course input[type="submit"].grey-btn[id*="Button1"],
.course .btn-add-style {
    background-color: var(--primary-blue) !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: none !important;
}

.course input[type="submit"].blue-btn[id*="btnaddtocart"]:hover,
.course input[type="submit"].grey-btn[id*="Button1"]:hover,
.course .btn-add-style:hover {
    background-color: var(--primary-blue-hover) !important;
}

/* Custom icons in buttons using pseudo elements */
.course input[type="submit"][id*="btnCancel"]::before {
    content: '\f177' !important;
    font-family: FontAwesome !important;
    margin-right: 8px !important;
}

/* Cards layout */
.card-modern {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-subtle) !important;
    overflow: hidden;
}

/* Left Section: Description Card */
.description-card {
    padding: 0 !important;
}

.card-header-tab {
    font-family: 'Inter', sans-serif !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    color: var(--primary-blue) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    padding: 16px 24px !important;
    border-bottom: 1px solid var(--border-color) !important;
    background-color: var(--card-bg) !important;
}

.card-body-tab {
    padding: 24px !important;
}

.description-text {
    font-size: 15px !important;
    line-height: 1.6 !important;
    color: var(--text-main) !important;
    margin-bottom: 24px !important;
}

/* Sidebar Columns */
.sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-subtle) !important;
    padding: 20px !important;
}

.sidebar-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.sidebar-card-title {
    font-size: 16px !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
    margin: 0 !important;
    display: inline-block !important;
}

/* Icon circles */
.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-blue-light);
    color: var(--primary-blue);
    font-size: 14px;
    flex-shrink: 0;
}

.icon-circle.danger {
    background-color: var(--danger-red-light);
    color: var(--danger-red);
}

/* Sidebar Categories styling */
.category-name-display {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--text-main) !important;
    margin: 0 !important;
    padding-left: 4px !important;
}

/* Sidebar Course Features styling */
.price-display {
    font-size: 24px !important;
    font-weight: 800 !important;
    color: var(--primary-blue) !important;
    margin-bottom: 16px !important;
    display: block !important;
}

.feature-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0 !important;
    border-top: 1px solid #f1f5f9 !important;
}

.feature-label-group {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
}

.feature-label-group .icon-circle {
    width: 24px;
    height: 24px;
    font-size: 11px;
}

.feature-value-text {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--text-dark) !important;
    margin: 0 !important;
}

/* Sidebar Tutor Detail styling */
.tutor-profile-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.tutor-avatar-img {
    width: 56px !important;
    height: 56px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 1px solid var(--border-color) !important;
    flex-shrink: 0 !important;
}

.tutor-info-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.tutor-name-text {
    font-size: 15px !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
    margin: 0 !important;
    line-height: 1.2 !important;
}

.tutor-email-text {
    font-size: 13px !important;
    color: var(--text-muted) !important;
    margin: 0 !important;
    word-break: break-all !important;
}

/* Tree Structure styling in Repeater */
.curriculum-tree {
    margin-top: 16px;
}

.level-item {
    margin-bottom: 20px;
}

.level-header-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.level-title-text {
    font-size: 16px !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
    margin: 0 !important;
}

.level-description-text {
    font-size: 14px !important;
    color: var(--text-muted) !important;
    margin: 0 0 12px 40px !important;
}

.chapter-list-group {
    margin-left: 20px;
    padding-left: 10px;
    border-left: 1px solid var(--border-color);
    list-style: none !important;
}

.chapter-item {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
}

.chapter-item::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 14px;
    width: 20px;
    height: 1px;
    border-top: 1px solid var(--border-color);
}

.chapter-header-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.chapter-title-text {
    font-size: 15px !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
    margin: 0 !important;
}

.section-list-group {
    margin-left: 36px;
    padding-left: 10px;
    border-left: 1px solid var(--border-color);
    list-style: none !important;
}

.section-item {
    position: relative;
    padding-left: 20px;
    padding-top: 4px;
    padding-bottom: 4px;
}

.section-item::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 16px;
    width: 20px;
    height: 1px;
    border-top: 1px solid var(--border-color);
}

.section-header-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title-text {
    font-size: 14px !important;
    color: var(--text-main) !important;
    margin: 0 !important;
}

/* Hide legacy styles completely */
.course_image,
.course_tabs_container,
.course_info {
    display: none !important;
}

/* Clean up standard details that might render from master */
.divMsginTree {
    margin-bottom: 16px;
}

.processbar1 img {
    border-radius: 8px;
}

/* Card, Width, Image and Button Fixes for Layout Responsiveness */
.card-modern, .sidebar-card, .card {
    width: 100% !important;
    box-sizing: border-box !important;
}

.course_image_wrapper {
    width: 100% !important;
    margin-bottom: 20px !important;
    box-sizing: border-box !important;
}

.course-image-modern {
    width: 100% !important;
    height: auto !important;
    max-height: 400px !important;
    object-fit: cover !important;
    border-radius: var(--radius-lg) !important;
}

/* Category Badge & Alert message styling */
.category-tag-badge {
    background-color: var(--primary-blue-light) !important;
    color: var(--primary-blue) !important;
    padding: 6px 14px !important;
    border-radius: 50px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    display: inline-block !important;
    font-family: 'Inter', sans-serif !important;
}

.alert-msg {
    display: inline-block !important;
    padding: 8px 16px !important;
    border-radius: var(--radius-md) !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    margin-top: 8px !important;
    font-family: 'Inter', sans-serif !important;
}

.alert-msg.alert-error {
    background-color: var(--danger-red-light) !important;
    color: var(--danger-red) !important;
    border: 1px solid rgba(239, 68, 68, 0.2) !important;
}

/* Cart Icon Button default style */
.btn-cart-icon {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: var(--radius-md) !important;
    background-color: var(--primary-blue-light) !important;
    color: var(--primary-blue) !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
    border: none !important;
    text-decoration: none !important;
    box-sizing: border-box !important;
}

.btn-cart-icon:hover {
    background-color: var(--primary-blue) !important;
    color: #ffffff !important;
}

/* Mobile responsive media query */
@media (max-width: 768px) {
    .course-page {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    .main-content-column, .sidebar-column {
        width: 100% !important;
    }
    .page-title-row {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 16px !important;
    }
    .page-title-row .d-flex {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
        width: 100% !important;
    }
    .page-title {
        font-size: 22px !important;
        width: 100% !important;
        word-wrap: break-word !important;
    }
    .action-buttons-group {
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 10px !important;
        margin-top: 4px !important;
    }
    .action-buttons-group .blue-btn,
    .action-buttons-group .grey-btn,
    .action-buttons-group .btn-modern-mock,
    .action-buttons-group .btn-cart-icon {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
    }
    .btn-cart-icon {
        height: 40px !important;
    }
    
    /* Tree structures spacing and padding adjustment */
    .tab_panel_section {
        overflow-x: auto !important;
        max-width: 100% !important;
    }
    .level-description-text {
        margin-left: 24px !important;
    }
    .chapter-list-group {
        margin-left: 12px !important;
        padding-left: 6px !important;
    }
    .chapter-item {
        padding-left: 12px !important;
    }
    .chapter-item::before {
        left: -6px !important;
        width: 12px !important;
    }
    .section-list-group {
        margin-left: 20px !important;
        padding-left: 6px !important;
    }
    .section-item {
        padding-left: 12px !important;
    }
    .section-item::before {
        left: -6px !important;
        width: 12px !important;
    }
}

/* Small mobile responsive media query */
@media (max-width: 480px) {
    .page-title {
        font-size: 20px !important;
    }
    .card-body-tab {
        padding: 12px !important;
    }
    .sidebar-card {
        padding: 12px !important;
    }
}