/* 
   MedQprep Premium Design System
   Glassmorphism + Dark Mode Baseline
*/

:root {
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-border: #e2e8f0;
    
    --primary: #001f3f;
    --primary-hover: #00152b;
    --primary-light: rgba(0, 31, 63, 0.08);
    
    --accent: #ffcc00;
    --accent-hover: #e6b800;
    --accent-light: rgba(255, 204, 0, 0.15);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    --shadow: 0 4px 20px -2px rgba(0, 31, 63, 0.06);
    --radius: 16px;
    --header-height: 85px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    background-image: none;
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.main-header {
    background: rgba(7, 10, 19, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--bg-card-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: var(--container-width, 1600px);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.user-profile-menu {
    position: relative;
    display: flex;
    align-items: center;
    border-left: 1px solid var(--bg-card-border);
    padding-left: 1.25rem;
}

.profile-trigger-btn {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.35rem 0.85rem 0.35rem 0.45rem;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.25s ease;
    color: var(--text-main);
    user-select: none;
}

.profile-trigger-btn:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.profile-avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.profile-trigger-name {
    font-size: 0.88rem;
    font-weight: 600;
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-trigger-chevron {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

/* Profile Dropdown Popup (App Drawer Style) */
.profile-dropdown-drawer {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 300px;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
    padding: 1.25rem 0 0.75rem 0;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.profile-dropdown-drawer.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.drawer-user-header {
    padding: 0 1.25rem 1rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.drawer-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.drawer-name {
    font-weight: 700;
    font-size: 0.98rem;
    color: #ffffff;
}

.drawer-mobile {
    font-size: 0.8rem;
    color: #94a3b8;
}

.drawer-links-scroll {
    max-height: 360px;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.drawer-link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1.25rem;
    color: #cbd5e1;
    font-size: 0.88rem;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
}

.drawer-link-item:hover {
    background: rgba(59, 130, 246, 0.12);
    color: #ffffff;
}

.drawer-link-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.drawer-link-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.drawer-footer {
    padding: 0.6rem 1.25rem 0.25rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Menu Toggle Button for Mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: var(--transition);
}

/* Content Area */
.main-content {
    flex: 1;
    max-width: var(--container-width, 1600px);
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    padding-top: calc(var(--header-height, 85px) + 24px);
    min-height: 80vh;
}

/* Footer */
.main-footer {
    background: rgba(7, 10, 19, 0.95);
    border-top: 1px solid var(--bg-card-border);
    padding: 2.5rem 0;
    margin-top: 4rem;
}

.footer-container {
    max-width: var(--container-width, 1600px);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    line-height: 1.6;
}

.footer-nav {
    display: flex;
    gap: 4rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.footer-col a,
.footer-links a {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.75);
    transition: all 0.2s ease;
    display: inline-block;
}

.footer-col a:hover,
.footer-links a:hover,
footer a:hover {
    color: var(--accent) !important;
    text-shadow: 0 0 12px rgba(255, 204, 0, 0.5);
    transform: translateX(4px);
}

.footer-bottom {
    width: 100%;
    border-top: 1px solid var(--bg-card-border);
    padding-top: 1.5rem;
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-lg {
    padding: 0.85rem 2rem;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 0.45rem 1rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #003366 100%);
    color: #ffffff;
    border: 2px solid var(--primary);
    box-shadow: 0 4px 14px rgba(0, 31, 63, 0.2);
    font-weight: 600;
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 31, 63, 0.25);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    font-weight: 600;
}

.btn-outline:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--accent);
    color: var(--primary);
    border: 2px solid var(--accent);
    box-shadow: 0 4px 14px rgba(255, 204, 0, 0.35);
    font-weight: 700;
}

.btn-accent:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 204, 0, 0.45);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    opacity: 0.9;
}

/* Cards */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.badge-accent {
    background: rgba(6, 182, 212, 0.12);
    color: var(--accent);
    border: 1px solid rgba(6, 182, 212, 0.25);
}

/* Alerts */
.alert {
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Forms styling */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 31, 63, 0.12);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Helper spacing classes to remove empty gaps */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.text-center { text-align: center; }

/* Interactive FAQ Accordion System */
.faq-accordion,
.faq-list,
.faq-accordion-wrap,
.faq-accordion-container {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff !important;
    border: 1.5px solid #e2e8f0 !important;
    border-radius: 14px !important;
    overflow: hidden;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 2px 8px rgba(0, 31, 63, 0.04) !important;
    position: relative;
}

.faq-item:hover {
    border-color: #0284c7 !important;
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.09) !important;
    transform: translateY(-1px);
}

.faq-question {
    padding: 1.15rem 1.35rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: #001f3f !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    background: #ffffff;
    border: none;
    text-align: left;
    gap: 1rem;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.faq-question:hover {
    color: #0284c7 !important;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
    padding: 0 1.35rem;
    font-size: 0.925rem;
    color: #334155 !important;
    line-height: 1.65;
    background: #f8fafc;
}

.faq-item.active,
.faq-item.faq-open {
    background: #ffffff !important;
    border-color: #0284c7 !important;
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.12) !important;
}

.faq-item.active .faq-question,
.faq-item.faq-open .faq-question {
    background: #f8fafc;
    border-bottom: 1px solid #edf2f7;
    color: #001f3f !important;
}

.faq-item.active .faq-answer,
.faq-item.faq-open .faq-answer {
    max-height: 1200px;
    padding: 1.15rem 1.35rem 1.35rem 1.35rem;
    display: block !important;
}

.faq-icon,
.faq-chevron,
.faq-arrow,
.faq-toggle-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 50%;
    background: #f1f5f9;
    color: #0284c7 !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    flex-shrink: 0;
}

.faq-icon {
    font-size: 1.15rem;
}

.faq-item:hover .faq-icon,
.faq-item:hover .faq-chevron,
.faq-item:hover .faq-arrow,
.faq-item:hover .faq-toggle-icon {
    background: #e0f2fe;
    color: #0284c7 !important;
}

.faq-item.active .faq-icon,
.faq-item.faq-open .faq-icon {
    transform: rotate(45deg);
    background: #0284c7;
    color: #ffffff !important;
}

.faq-item.active .faq-chevron,
.faq-item.faq-open .faq-chevron,
.faq-item.active .faq-arrow,
.faq-item.faq-open .faq-arrow,
.faq-item.active .faq-toggle-icon,
.faq-item.faq-open .faq-toggle-icon {
    transform: rotate(180deg);
    background: #0284c7;
    color: #ffffff !important;
}

.faq-answer p {
    color: #334155 !important;
    margin: 0;
}

.faq-answer p + p {
    margin-top: 0.65rem;
}

/* Static fallback for legacy non-accordion FAQ items */
.faq-item:not(:has(.faq-question)):not(:has(.faq-trigger)):not(:has(.faq-card-question)) {
    padding: 1.25rem 1.5rem;
    background: #ffffff !important;
    border: 1.5px solid #e2e8f0 !important;
}

.faq-item:not(:has(.faq-question)) strong {
    color: #001f3f !important;
    font-size: 1rem;
    display: block;
    margin-bottom: 0.5rem;
}

.faq-item:not(:has(.faq-question)) p {
    color: #475569 !important;
    font-size: 0.925rem;
    line-height: 1.6;
    margin: 0;
}


/* Desktop nav: hide items that should only appear in mobile drawer */
@media (min-width: 993px) {
    .nav-item-mobile-only {
        display: none !important;
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .main-content {
        padding: 1.75rem 1rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0.85rem 1rem;
    }

    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 57px;
        left: 0;
        width: 100%;
        height: calc(100vh - 57px);
        background: rgba(7, 10, 19, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 1.75rem 1.25rem 3rem 1.25rem;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 999;
        overflow-y: auto;
        gap: 0.75rem;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu .nav-link {
        font-size: 1.05rem;
        padding: 0.85rem 1rem;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.05);
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .nav-menu .nav-link:hover, .nav-menu .nav-link.active {
        background: rgba(59, 130, 246, 0.15);
        border-color: rgba(59, 130, 246, 0.3);
        color: #ffffff;
    }

    .nav-menu .btn {
        width: 100%;
        padding: 0.85rem;
        font-size: 1rem;
        margin-top: 0.5rem;
    }

    .user-profile-menu {
        border-left: none;
        padding-left: 0;
        margin-top: 1rem;
        flex-direction: column;
        width: 100%;
    }

    .profile-trigger-btn {
        width: 100%;
        justify-content: space-between;
        padding: 0.75rem 1rem;
        border-radius: 12px;
        background: rgba(59, 130, 246, 0.1);
        border: 1px solid rgba(59, 130, 246, 0.25);
    }

    .profile-dropdown-drawer {
        position: static;
        width: 100%;
        margin-top: 0.75rem;
        box-shadow: none;
        background: rgba(15, 23, 42, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 14px;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .profile-dropdown-drawer.show {
        display: block;
    }

    .drawer-links-scroll {
        max-height: 280px;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .main-content {
        padding: 1.25rem 0.85rem 3rem 0.85rem;
    }

    .glass-card {
        padding: 1.25rem;
        border-radius: 14px;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
        width: 100%;
    }

    .footer-container {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        gap: 2rem;
        padding: 0 1rem;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-nav {
        flex-direction: column;
        gap: 1.5rem;
        width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        gap: 0.5rem;
    }

    .pyq-quick-banner .banner-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .pyq-quick-banner .btn {
        width: 100%;
    }
}

/* PYQ Quick Banner Styles */
.pyq-quick-banner {
    border-color: rgba(6, 182, 212, 0.2);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.03) 0%, rgba(13, 18, 33, 0.75) 100%);
    padding: 1.5rem 2rem;
}

.banner-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.banner-text {
    flex: 1;
}

.banner-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

.banner-action {
    flex-shrink: 0;
}

/* Universal Table & Media Overflow Protection */
img {
    max-width: 100%;
    height: auto;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Breadcrumb wrapping */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.85rem;
}

/* Course Switcher Modal Styles */
.course-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.course-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.course-modal-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    width: 95%;
    max-width: 500px;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 31, 63, 0.25);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.course-modal-overlay.show .course-modal-card {
    transform: scale(1);
}

.course-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 1rem;
}

.course-modal-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-modal-close {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: var(--text-muted);
    font-size: 1.1rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.course-modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}

.course-modal-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.course-option-btn {
    display: block;
    width: 100%;
    border: none;
    background: transparent;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

.course-option {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    text-align: left;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.course-option:hover {
    background: #ffffff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 31, 63, 0.08);
}

.course-option.active {
    background: rgba(0, 31, 63, 0.04);
    border-color: var(--primary);
}

.course-option-name {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-option-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.course-option-badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: var(--accent);
    color: var(--primary);
    border-radius: 999px;
    font-weight: 700;
    display: none;
}

.course-option.active .course-option-badge {
    display: inline-block;
}

/* ==========================================================================
   UNIVERSAL MODAL RESPONSIVENESS & CENTERING SYSTEM
   ========================================================================== */
.cbt-modal-overlay,
.auth-modal-backdrop,
.course-modal-overlay {
    position: fixed !important;
    inset: 0 !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100% !important;
    height: 100dvh !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 1rem !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch !important;
    z-index: 9999999 !important;
    justify-content: center !important;
    align-items: center !important;
    background: rgba(0, 31, 63, 0.75) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
}

.course-modal-overlay.show {
    display: flex !important;
}

.cbt-modal-card,
.subscription-modal-content,
.cbt-modal,
.course-modal-card,
.auth-modal-backdrop .modal-card,
.auth-modal-box {
    position: relative !important;
    box-sizing: border-box !important;
    width: 100% !important;
    max-width: 520px !important;
    margin: auto !important;
    padding: 2.25rem 2rem !important;
    background: #ffffff !important;
    border: 1.5px solid #e2e8f0 !important;
    border-radius: 20px !important;
    box-shadow: 0 25px 60px rgba(0, 31, 63, 0.25) !important;
    color: #1e293b !important;
    max-height: calc(100dvh - 2rem) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    animation: modalFadeIn 0.25s ease-out;
    overscroll-behavior: contain !important;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

.cbt-modal-card::-webkit-scrollbar,
.subscription-modal-content::-webkit-scrollbar,
.cbt-modal::-webkit-scrollbar,
.course-modal-card::-webkit-scrollbar,
.auth-modal-box::-webkit-scrollbar {
    width: 6px;
}

.cbt-modal-card::-webkit-scrollbar-thumb,
.subscription-modal-content::-webkit-scrollbar-thumb,
.cbt-modal::-webkit-scrollbar-thumb,
.course-modal-card::-webkit-scrollbar-thumb,
.auth-modal-box::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 999px;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-head-row {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    gap: 1rem !important;
    padding-bottom: 1rem !important;
    border-bottom: 1px solid #f1f5f9 !important;
}

.modal-main-title,
.modal-title,
.course-modal-title,
.auth-modal-title,
#instruxTitle,
#submitModalTitle {
    color: #001f3f !important;
    font-size: 1.35rem !important;
    line-height: 1.3 !important;
    word-break: break-word !important;
    font-weight: 800 !important;
    font-family: var(--font-heading) !important;
    text-shadow: none !important;
    margin: 0 !important;
}

.modal-subtitle,
.auth-modal-desc,
.cbt-modal-card .text-muted,
.subscription-modal-content .text-muted {
    color: #475569 !important;
    font-size: 0.92rem !important;
    line-height: 1.5 !important;
    margin-top: 0.35rem !important;
}

/* Specs in instructions modal */
.instrux-specs-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0.65rem !important;
    margin: 1rem 0 !important;
}

.instrux-spec-item {
    padding: 0.65rem 0.85rem !important;
    border-radius: 12px !important;
    background: #f8fafc !important;
    border: 1.5px solid #e2e8f0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.65rem !important;
}

.instrux-spec-icon {
    font-size: 1.35rem !important;
}

.instrux-spec-val {
    color: #001f3f !important;
    font-weight: 800 !important;
    font-size: 0.95rem !important;
}

.instrux-spec-lbl {
    color: #64748b !important;
    font-weight: 600 !important;
    font-size: 0.72rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.4px !important;
}

.rule-alert-box {
    padding: 0.75rem 1rem !important;
    font-size: 0.85rem !important;
    margin-bottom: 1.15rem !important;
    border-radius: 10px !important;
    line-height: 1.45 !important;
    background: #fffbeb !important;
    border: 1.5px solid #fde68a !important;
    color: #92400e !important;
    display: flex !important;
    align-items: flex-start !important;
    gap: 0.5rem !important;
}

.rule-alert-box strong {
    color: #78350f !important;
}

/* Benefits list in subscription modals */
.benefits-list,
.sub-benefits-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
    margin: 1.15rem 0 !important;
}

.benefit-item,
.sub-benefit-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
    font-size: 0.9rem !important;
    line-height: 1.5 !important;
    color: #334155 !important;
}

.benefit-text {
    color: #334155 !important;
}

.benefit-text strong,
.benefit-item strong,
.sub-benefit-item strong {
    color: #001f3f !important;
    font-weight: 700 !important;
}

.modal-actions-footer {
    display: flex !important;
    gap: 0.75rem !important;
    align-items: center !important;
    justify-content: flex-end !important;
    margin-top: 1.25rem !important;
}

.modal-actions-column {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.65rem !important;
    margin-top: 1.25rem !important;
}

/* Modal Buttons: Primary & Outline */
.cbt-modal-card .btn-outline,
.subscription-modal-content .btn-outline,
.auth-modal-backdrop .btn-outline,
.auth-modal-box .btn-outline,
#closeAuthModalBtn,
.modal-actions-footer .btn-outline,
#btnCancelSubmit,
#btnCancelGuestAuth,
#btnCancelReport,
#btnCancelSubscribeRequired {
    background: #ffffff !important;
    border: 1.5px solid #cbd5e1 !important;
    color: #475569 !important;
    font-weight: 700 !important;
    border-radius: 12px !important;
    padding: 0.65rem 1.25rem !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    text-align: center !important;
}

.cbt-modal-card .btn-outline:hover,
.subscription-modal-content .btn-outline:hover,
.auth-modal-backdrop .btn-outline:hover,
#closeAuthModalBtn:hover,
.modal-actions-footer .btn-outline:hover,
#btnCancelSubmit:hover,
#btnCancelGuestAuth:hover,
#btnCancelReport:hover,
#btnCancelSubscribeRequired:hover {
    background: #f1f5f9 !important;
    border-color: #94a3b8 !important;
    color: #001f3f !important;
}

.btn-link,
.btn-link.text-muted,
.cbt-modal-card .btn-link,
.subscription-modal-content .btn-link {
    color: #64748b !important;
    font-weight: 600 !important;
    text-decoration: underline !important;
    background: none !important;
    border: none !important;
    cursor: pointer !important;
    text-align: center !important;
}

.btn-link:hover,
.subscription-modal-content .btn-link:hover {
    color: #001f3f !important;
}

/* Close buttons (x) */
.modal-close-btn,
.course-modal-close,
#closeReportModal {
    background: #f1f5f9 !important;
    border: 1px solid #e2e8f0 !important;
    color: #64748b !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all 0.2s !important;
    flex-shrink: 0 !important;
    font-size: 1.1rem !important;
    padding: 0 !important;
    line-height: 1 !important;
}

.modal-close-btn:hover,
.course-modal-close:hover,
#closeReportModal:hover {
    background: rgba(239, 68, 68, 0.1) !important;
    color: #ef4444 !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
}

.modal-close-btn:focus-visible,
.course-modal-close:focus-visible,
.auth-modal-btn-row .btn:focus-visible,
.modal-actions-footer .btn:focus-visible,
.modal-actions-column .btn:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.32) !important;
    outline-offset: 2px !important;
}

@media (prefers-reduced-motion: reduce) {
    .cbt-modal-card,
    .subscription-modal-content,
    .cbt-modal,
    .course-modal-card,
    .auth-modal-box {
        animation: none !important;
    }
}

/* Mobile responsive modal adaptations */
@media (max-width: 768px) {
    .cbt-modal-overlay,
    .auth-modal-backdrop,
    .course-modal-overlay {
        padding: 0.65rem !important;
        background: rgba(0, 31, 63, 0.85) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
    }

    .cbt-modal-card,
    .subscription-modal-content,
    .cbt-modal,
    .course-modal-card,
    .auth-modal-backdrop .modal-card,
    .auth-modal-box {
        width: 100% !important;
        max-width: min(460px, calc(100vw - 1.25rem)) !important;
        padding: 1.5rem 1.25rem !important;
        border-radius: 18px !important;
        max-height: calc(100dvh - 1.5rem) !important;
        box-shadow: 0 20px 50px rgba(0, 31, 63, 0.3) !important;
    }

    .modal-main-title,
    .modal-title,
    .course-modal-title,
    .auth-modal-title,
    #instruxTitle,
    #submitModalTitle {
        font-size: 1.2rem !important;
    }

    .instrux-specs-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.45rem !important;
    }

    .modal-actions-footer {
        flex-direction: row !important;
        gap: 0.5rem !important;
    }

    .modal-actions-footer .btn {
        flex: 1 !important;
        padding: 0.65rem 0.75rem !important;
        font-size: 0.88rem !important;
    }
}

@media (max-width: 480px) {
    .cbt-modal-card,
    .subscription-modal-content,
    .cbt-modal,
    .course-modal-card,
    .auth-modal-backdrop .modal-card,
    .auth-modal-box {
        padding: 1.25rem 1rem !important;
        border-radius: 16px !important;
        max-width: calc(100vw - 0.9rem) !important;
    }

    .modal-main-title,
    .modal-title,
    .auth-modal-title {
        font-size: 1.12rem !important;
    }
}