/* CitySchools Collaborative Branding Styles */
/* Import Plus Jakarta Sans and Source Serif 4 fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,wght@0,300;0,400;1,300;1,400;1,800&display=swap');

/* Root variables for CitySchools Collaborative brand colors */
:root {
    /* Primary Brand Colors */
    --color-anchor-navy: #293A4C;
    --color-chalkdust-white: #F9F7F2;
    --color-pencil-lead: #3A3A3A;
    --color-momentum-orange: #F45B25;
    --color-gold-standard: #FFB611;
    --color-pathway-blue: #3F82AB;
    --color-eraser-pink: #DE6D5D;

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-secondary: 'Source Serif 4', serif;

    /* Legacy variable names for compatibility */
    --primary-color: var(--color-momentum-orange);
    --secondary-color: var(--color-gold-standard);
    --white: #ffffff;
    --light-gray: var(--color-chalkdust-white);
    --medium-gray: #6c757d;
    --dark-gray: var(--color-pencil-lead);
    --light-orange: #FFB07C; /* Momentum Orange Medium tint */
    --light-blue: #CFE0EA; /* Pathway Blue Light tint */
    --border-color: #CFE0EA;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --transition: all 0.3s ease;
    --border-orange: 2px solid var(--color-momentum-orange);
}

/* Global styles */
html {
    height: 100%;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.4;
    background-color: var(--color-chalkdust-white);
    color: var(--color-pencil-lead);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Override container background for content areas */
.container {
    background-color: transparent;
}

/* Navigation styling */
.navbar {
    background-color: var(--white) !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-momentum-orange) !important;
    text-decoration: none;
    padding: 0.5rem 0;
}

.navbar-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.navbar-brand:hover .navbar-logo {
    transform: scale(1.05);
}

.navbar-brand:hover {
    color: var(--color-gold-standard) !important;
    transition: var(--transition);
}

.navbar-nav .nav-link {
    font-family: var(--font-primary);
    color: var(--color-pencil-lead) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    background-color: rgba(244, 91, 37, 0.1);
    color: var(--color-momentum-orange) !important;
}

/* Main content area */
main.container {
    background-color: var(--white);
    border: var(--border-orange);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(244, 91, 37, 0.1);
    padding: 30px;
    margin: 20px auto;
    color: var(--dark-gray);
    min-height: 70vh;
}

/* Cards */
.card {
    background-color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons - CityTutor style */
.btn {
    font-family: var(--font-primary) !important;
    font-weight: 600 !important;
    border-radius: var(--border-radius) !important;
    padding: 12px 25px !important;
    transition: var(--transition) !important;
    border: 2px solid transparent !important;
    text-decoration: none !important;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-anchor-navy);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: var(--color-chalkdust-white);
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary:hover {
    background: #204156;
    color: var(--color-chalkdust-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(41, 58, 76, 0.3);
}

.btn-secondary {
    background-color: var(--medium-gray);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-1px);
}

.btn-outline-primary {
    border: 2px solid var(--color-anchor-navy);
    color: var(--color-anchor-navy);
    background-color: transparent;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-primary:hover {
    background-color: var(--color-anchor-navy);
    color: var(--color-chalkdust-white);
}

.btn-outline-secondary {
    background-color: var(--white) !important;
    color: var(--dark-gray) !important;
    border: 2px solid var(--dark-gray) !important;
}

.btn-outline-secondary:hover {
    background-color: var(--dark-gray) !important;
    color: var(--white) !important;
}

.btn-outline-success {
    background-color: var(--white) !important;
    color: #28a745 !important;
    border: 2px solid #28a745 !important;
}

.btn-outline-success:hover {
    background-color: #28a745 !important;
    color: var(--white) !important;
}

.btn-outline-warning {
    background-color: var(--white) !important;
    color: #ffc107 !important;
    border: 2px solid #ffc107 !important;
}

.btn-outline-warning:hover {
    background-color: #ffc107 !important;
    color: var(--dark-gray) !important;
}

.btn-outline-info {
    background-color: var(--white) !important;
    color: #17a2b8 !important;
    border: 2px solid #17a2b8 !important;
    font-weight: 600 !important;
    border-radius: var(--border-radius) !important;
    padding: 0.75rem 1.5rem !important;
    transition: var(--transition) !important;
}

.btn-outline-info:hover {
    background-color: #17a2b8 !important;
    color: var(--white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(23, 162, 184, 0.3) !important;
}

/* Custom Sophia Chat Button */
.btn.btn-sophia {
    background-color: var(--white) !important;
    border: 2px solid var(--sophia-pink) !important;
    color: var(--sophia-pink) !important;
    font-weight: 600 !important;
    border-radius: var(--border-radius) !important;
    padding: 0.75rem 1.5rem !important;
    transition: var(--transition) !important;
    text-decoration: none !important;
}

.btn.btn-sophia:hover,
.btn.btn-sophia:focus,
.btn.btn-sophia:active {
    background-color: var(--sophia-pink) !important;
    border-color: var(--sophia-pink) !important;
    color: var(--white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(221, 31, 136, 0.3) !important;
    text-decoration: none !important;
}

/* Form elements */
.form-control, .form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(244, 91, 37, 0.1);
}

/* Statistics cards */
.stats-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, #FF7E4E 100%);
    color: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left;
    transition: all 0.3s ease;
    border: none;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(244, 91, 37, 0.3);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stats-label {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* Statistics Card Icons/Logos */
.stats-icon {
    position: relative;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-logo {
    max-width: 60px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    filter: brightness(0) invert(1); /* Makes SVG white */
}

.stats-card:hover .stats-logo {
    opacity: 1;
}

.stats-fallback {
    font-size: 3.5rem !important;
    opacity: 0.7 !important;
    color: white !important;
    display: none; /* Hidden by default, shows when image fails */
}

/* Show fallback icon when logo image is hidden */
.stats-logo[style*="display: none"] + .stats-fallback,
.stats-logo:not([src]) + .stats-fallback {
    display: block !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stats-icon {
        width: 60px;
        height: 60px;
    }

    .stats-logo {
        max-width: 48px;
        max-height: 48px;
    }

    .stats-fallback {
        font-size: 3rem !important;
    }
}

/* Tables */
.table {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table thead th {
    background-color: var(--light-gray);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--dark-gray);
    padding: 1rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: rgba(244, 91, 37, 0.05);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
}

.badge-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.badge-success {
    background-color: #28a745;
    color: var(--white);
}

.badge-warning {
    background-color: #ffc107;
    color: var(--dark-gray);
}

.badge-danger {
    background-color: #dc3545;
    color: var(--white);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

/* Footer */
.footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: auto;
    color: var(--medium-gray);
}

.footer p {
    margin: 0;
    font-size: 0.9rem;
}

/* Dropdown menus */
.dropdown-menu {
    border: none;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    color: var(--dark-gray);
}

.dropdown-item:hover {
    background-color: rgba(244, 91, 37, 0.1);
    color: var(--primary-color);
}

/* Page titles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary) !important;
    font-weight: 700 !important;
    color: var(--dark-gray);
}

/* Remove icons from navigation */
.nav-link i, .navbar-brand i {
    display: none;
}

/* Mobile-first responsive design */
@media (max-width: 768px) {
    body {
        padding: 0;
    }

    main.container {
        margin: 10px;
        padding: 20px;
        border-radius: 10px;
    }

    .navbar-brand {
        font-size: 1.4rem !important;
    }

    .navbar-logo {
        height: 30px;
    }

    .stats-number {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px !important;
        font-size: 0.9rem;
        width: 100%;
        margin-bottom: 10px;
    }

    .card-body {
        padding: 20px;
    }

    .table-responsive {
        font-size: 0.85rem;
    }

    .d-grid .btn {
        width: 100%;
    }

    /* Stack navigation items vertically on mobile */
    .navbar-nav {
        text-align: center;
    }

    .navbar-nav .nav-item {
        margin: 5px 0;
    }

    /* Adjust spacing for mobile */
    .row.mb-4 {
        margin-bottom: 2rem !important;
    }

    .col-lg-3.col-md-6.mb-3 {
        margin-bottom: 1rem !important;
    }
}

@media (max-width: 576px) {
    main.container {
        margin: 5px;
        padding: 15px;
    }

    .navbar-brand {
        font-size: 1.2rem !important;
    }

    .navbar-logo {
        height: 30px;
    }

    .stats-number {
        font-size: 1.8rem !important;
    }

    .card-header {
        padding: 15px;
    }

    .card-body {
        padding: 15px;
    }

    /* Make buttons more touch-friendly */
    .btn {
        padding: 12px 20px !important;
        min-height: 44px;
    }

    /* Improve table readability on small screens */
    .table {
        font-size: 0.8rem;
    }

    .table th, .table td {
        padding: 8px !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--color-momentum-orange);
    outline-offset: 2px;
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Authentication Styles */
.auth-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    max-width: 600px;
    margin: 2rem auto;
    width: 100%;
}

.auth-card-header {
    background: var(--color-anchor-navy);
    color: var(--color-chalkdust-white);
    padding: 2rem;
    text-align: center;
}

.auth-title {
    font-family: var(--font-primary) !important;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-chalkdust-white) !important;
    line-height: 1.2;
}

.auth-subtitle {
    font-family: var(--font-primary) !important;
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 0;
    color: var(--color-chalkdust-white) !important;
    line-height: 1.4;
}

.auth-card-body {
    padding: 2rem;
    font-family: var(--font-primary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 16px;
    color: var(--color-pencil-lead);
    margin-bottom: 0.5rem;
    display: block;
}

.auth-body-text {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.4;
    color: var(--color-pencil-lead);
}

.auth-input {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.4;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    width: 100%;
    color: var(--color-pencil-lead);
    background-color: var(--white);
}

.auth-input::placeholder {
    color: #9CA3AF;
    opacity: 1;
}

.auth-input:focus {
    border-color: var(--color-momentum-orange);
    box-shadow: 0 0 0 3px rgba(244, 91, 37, 0.1);
    outline: none;
}

.auth-google-btn {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--white);
    color: var(--color-pencil-lead);
    text-decoration: none;
    transition: var(--transition);
}

.auth-google-btn:hover {
    background-color: #F9F7F2;
    border-color: var(--color-anchor-navy);
}

.auth-error-box {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.4;
    border-radius: var(--border-radius);
    border: 2px solid #DC3545;
    background-color: #FEF2F2;
    color: #DC3545;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.form-error {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.4;
    color: #DC3545;
    margin-top: 0.25rem;
}

.auth-checkbox-label {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.4;
    color: var(--color-pencil-lead);
}

.auth-btn {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 16px;
    line-height: 1.4;
    background: var(--color-anchor-navy);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.875rem 1.5rem;
    color: var(--color-chalkdust-white);
    transition: var(--transition);
    cursor: pointer;
    width: 100%;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-btn:hover:not(:disabled) {
    background: #204156;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(41, 58, 76, 0.3);
    color: var(--color-chalkdust-white);
}

.auth-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.auth-link {
    font-family: var(--font-primary);
    color: var(--color-momentum-orange);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-link:hover {
    color: #B7441C;
    text-decoration: underline;
}

.auth-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.form-check-input:checked {
    background-color: var(--color-momentum-orange);
    border-color: var(--color-momentum-orange);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 1.5rem;
}

/* Container improvements */
.container-fluid {
    padding-left: 2rem;
    padding-right: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .main-content {
        padding: 1.5rem 0.5rem;
    }
}

/* Special styling for Manage Tutors button */
.btn-manage-tutors {
    border: 2px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
    background-color: var(--white) !important;
}

.btn-manage-tutors:hover {
    background-color: var(--primary-color) !important;
    color: var(--white) !important;
    border-color: var(--primary-color) !important;
}

/* Ensure navbar stays consistent at all screen sizes */
@media (max-width: 991px) {
    .navbar-brand {
        padding: 0.4rem 0;
    }

    .navbar-logo {
        height: 40px;
    }

    .navbar-nav .nav-link {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        padding: 0.3rem 0;
    }

    .navbar-logo {
        height: 35px;
    }
}

/* Search form improvements */
.search-form {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.search-form .form-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.search-form .btn {
    min-height: 38px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.search-form .d-flex.gap-2 {
    gap: 0.5rem !important;
}

.search-form .flex-fill {
    flex: 1 1 auto;
    min-width: 0;
}

.search-form .w-100 {
    width: 100% !important;
}

/* Ensure proper button sizing */
.search-form .btn-outline-primary,
.search-form .btn-outline-secondary {
    padding: 0.5rem 0.5rem;
    font-size: 0.875rem;
    min-width: 60px;
    text-align: center;
}

/* Orange border for search button specifically */
.search-form .btn-outline-primary {
    border: 2px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
    background-color: var(--white) !important;
}

.search-form .btn-outline-primary:hover {
    background-color: var(--primary-color) !important;
    color: var(--white) !important;
    border-color: var(--primary-color) !important;
}

/* Table action buttons */
.btn-group-sm .btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    min-width: 70px;
}

/* Tutor management page specific styles */
.tutor-table .avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    margin-right: 0.75rem;
}

.tutor-table .fw-semibold {
    font-weight: 600;
    color: var(--dark-gray);
}

.tutor-table .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

/* Responsive table improvements */
@media (max-width: 768px) {
    .search-form .row {
        row-gap: 1rem;
    }

    .search-form .col-md-4,
    .search-form .col-md-2 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .search-form .col-md-4:last-child {
        margin-top: 1rem;
        margin-bottom: 0;
    }

    .btn-group-sm {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }

    .btn-group-sm .btn {
        width: 100%;
        margin-bottom: 0.25rem;
    }
}

/* ========================================
   Lesson Selection Modal Styles
   ======================================== */

/* Step Indicator */
.step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 2rem;
    padding: 1rem 0;
}

.step-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #e0e0e0;
    transition: all 0.3s ease;
}

.step-dot.active {
    background-color: var(--color-anchor-navy);
    box-shadow: 0 0 8px rgba(41, 58, 76, 0.4);
    transform: scale(1.2);
}

/* Lesson Selection Step Container */
.lesson-selection-step {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Lesson Selection Header */
.lesson-selection-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.lesson-selection-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.lesson-selection-subtitle {
    font-size: 1rem;
    color: var(--medium-gray);
}

/* Lesson Resume Options (Step 0) */
.lesson-resume-options {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 0 auto;
    max-width: 100%;
    flex-wrap: wrap;
}

.lesson-resume-btn {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    background-color: var(--white);
    border: 1px solid #e5e7eb;
    border-width: 1px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 180px;
    flex: 1 1 260px;
    max-width: 290px;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.lesson-resume-btn:hover {
    border-color: var(--color-anchor-navy);
    border-width: 2px;
    background-color: var(--white);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(41, 58, 76, 0.2);
}

.lesson-resume-btn i {
    display: block;
    padding: 1.75rem 0 1.25rem;
    background-color: var(--color-anchor-navy);
    border-bottom: 1px solid var(--color-anchor-navy);
    transition: all 0.3s ease;
}

.lesson-resume-btn:hover i {
    transform: scale(1.05);
    background-color: var(--color-anchor-navy);
}

.lesson-resume-btn .lesson-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1.5rem 1.25rem;
}

.lesson-resume-btn .lesson-code {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.lesson-resume-btn .lesson-title {
    font-size: 0.875rem;
    color: var(--medium-gray);
    line-height: 1.5;
    font-weight: 400;
}

/* Tailwind-style utility classes for icons */
.text-primary {
    color: var(--primary-color);
}

.text-3xl {
    font-size: 2rem;
    line-height: 1;
}

.mb-3 {
    margin-bottom: 0;
}

/* Lesson Options Grid (Steps 1, 2, 3) */
.lesson-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.lesson-option-btn {
    padding: 1.25rem;
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.lesson-option-btn:hover {
    border-color: var(--color-anchor-navy);
    border-width: 2px;
    background-color: rgba(41, 58, 76, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(41, 58, 76, 0.15);
}

.lesson-option-btn.selected {
    border-color: var(--color-anchor-navy);
    background-color: rgba(41, 58, 76, 0.1);
    color: var(--color-anchor-navy);
    box-shadow: 0 0 0 3px rgba(41, 58, 76, 0.1);
}

.lesson-option-btn:active {
    transform: translateY(0);
}

/* Lesson Navigation Buttons */
.lesson-nav-buttons {
    display: flex;
    justify-content: flex-start;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

.lesson-nav-buttons button {
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.lesson-nav-buttons button:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Lesson Info Content */
.lesson-info-content {
    padding: 1rem 0;
}

.lesson-info-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

/* Tablet Responsive Adjustments */
@media (max-width: 992px) {
    .lesson-resume-options {
        gap: 1rem;
    }

    .lesson-resume-btn {
        min-height: 220px;
        flex: 1 1 260px;
        max-width: 300px;
    }

    .lesson-resume-btn i {
        padding: 2rem 0 1.25rem;
    }

    .lesson-resume-btn .lesson-info {
        padding: 1.75rem 1.25rem;
    }

    .lesson-resume-btn .lesson-code {
        font-size: 1.125rem;
        margin-bottom: 0.5rem;
    }

    .lesson-resume-btn .lesson-title {
        font-size: 0.875rem;
    }

    .text-3xl {
        font-size: 2.25rem;
    }
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .lesson-selection-title {
        font-size: 1.5rem;
    }

    .lesson-selection-subtitle {
        font-size: 0.9rem;
    }

    .lesson-resume-options {
        flex-direction: column;
        gap: 1rem;
    }

    .lesson-resume-btn {
        min-height: 180px;
        flex: 1 1 auto;
        max-width: 100%;
    }

    .lesson-resume-btn i {
        padding: 2rem 0 1rem;
    }

    .lesson-resume-btn .lesson-info {
        padding: 1.5rem 1.25rem;
    }

    .lesson-resume-btn .lesson-code {
        font-size: 1.125rem;
        margin-bottom: 0.5rem;
    }

    .lesson-resume-btn .lesson-title {
        font-size: 0.875rem;
    }

    .text-3xl {
        font-size: 2rem;
    }

    .lesson-options-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.75rem;
    }

    .lesson-option-btn {
        padding: 1rem;
        font-size: 0.9rem;
        min-height: 50px;
    }
}

@media (max-width: 576px) {
    .lesson-options-grid {
        grid-template-columns: 1fr;
    }

    .lesson-resume-btn {
        min-height: 160px;
    }

    .lesson-resume-btn i {
        padding: 1.5rem 0 1rem;
    }

    .lesson-resume-btn .lesson-info {
        padding: 1.25rem 1rem;
    }

    .lesson-resume-btn .lesson-code {
        font-size: 1rem;
    }

    .lesson-resume-btn .lesson-title {
        font-size: 0.8125rem;
    }

    .text-3xl {
        font-size: 1.875rem;
    }
}