/* MockSphere Main CSS */

/* Global Heading Styles - Ensure headings are not larger than brand logo (1.5rem) */
h1, .h1 {
    font-size: 1.3rem !important;   /* 22.4px - smaller than brand logo (1.5rem/24px) */
    font-weight: 600;
    line-height: 1.2;
}

h2, .h2 {
    font-size: 1.15rem !important;  /* 20px */
    font-weight: 600;
    line-height: 1.2;
}

h3, .h3 {
    font-size: 1.0rem !important;   /* 17.6px */
    font-weight: 600;
    line-height: 1.2;
}

h4, .h4 {
    font-size: 0.9rem !important;     /* 16px */
    font-weight: 600;
    line-height: 1.2;
}

h5, .h5 {
    font-size: 0.85rem !important;  /* 15.2px */
    font-weight: 600;
    line-height: 1.2;
}

h6, .h6 {
    font-size: 0.9rem !important;   /* 14.4px */
    font-weight: 600;
    line-height: 1.2;
}

/* Responsive heading sizes for mobile */
@media (max-width: 768px) {
    h1, .h1 {
        font-size: 1.3rem !important;  /* 20.8px on mobile */
    }
    
    h2, .h2 {
        font-size: 1.15rem !important; /* 18.4px on mobile */
    }
    
    h3, .h3 {
        font-size: 1rem !important;    /* 16px on mobile */
    }
}

/* Welcome Step Styles */
.welcome-content {
    text-align: center;
    padding: 0.5rem 0;
}

.welcome-header {
    margin-bottom: 1rem;
}

.welcome-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    font-weight: 500;
}

.welcome-description {
    margin-bottom: 2rem;
}

.welcome-description p {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    padding: 0 1rem;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
    background: var(--bg-primary);
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.feature-item h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-item p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.feature-item span:last-child {
    font-weight: 500;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .welcome-title {
        font-size: 2rem;
    }
    
    .welcome-subtitle {
        font-size: 1rem;
    }
    
    .welcome-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-item {
        padding: 0.75rem;
    }
}

/* Guest Popup Styles */
.guest-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.guest-popup-modal {
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: 0 20px 60px var(--shadow-color);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: popupSlideIn 0.3s ease-out;
}

.guest-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.guest-popup-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.guest-popup-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.guest-popup-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.guest-popup-content {
    padding: 2rem;
    text-align: center;
}

.guest-popup-icon {
    margin-bottom: 1.5rem;
}

.guest-icon-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.guest-icon {
    font-size: 2rem;
    color: white;
}

.guest-popup-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.guest-popup-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.guest-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.guest-benefits .benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.guest-benefits .benefit-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: var(--bg-tertiary);
}

.guest-benefits .benefit-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.guest-benefits .benefit-item span:last-child {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.guest-popup-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.guest-signup-btn,
.guest-login-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    min-width: 140px;
    justify-content: center;
}

.guest-signup-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.guest-signup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    color: white;
}

.guest-login-btn {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.guest-login-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.guest-popup-footer {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.guest-popup-footer small {
    display: block;
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .guest-popup-modal {
        width: 95%;
        margin: 1rem;
    }
    
    .guest-popup-header {
        padding: 1rem 1.5rem 0.5rem;
    }
    
    .guest-popup-content {
        padding: 1.5rem;
    }
    
    .guest-popup-header h2 {
        font-size: 1.25rem;
    }
    
    .guest-popup-content h3 {
        font-size: 1.25rem;
    }
    
    .guest-benefits {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .guest-popup-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .guest-signup-btn,
    .guest-login-btn {
        width: 100%;
        max-width: 200px;
    }
}

/* Onboarding Popup Styles */
.onboarding-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.onboarding-popup-modal {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: popupSlideIn 0.3s ease-out;
}

@keyframes popupSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.onboarding-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.onboarding-popup-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.onboarding-popup-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
}

.onboarding-popup-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.onboarding-popup-content {
    padding: 0 24px 24px 24px;
    text-align: center;
}

.onboarding-popup-icon {
    margin-bottom: 20px;
}

.onboarding-icon-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
}

.onboarding-icon {
    font-size: 32px;
}

.onboarding-popup-content h3 {
    margin: 0 0 12px 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.onboarding-popup-content p {
    margin: 0 0 24px 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.onboarding-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
    text-align: left;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background-color: transparent;
    border-radius: 8px;
    font-size: 0.9rem;
    color: inherit;
}

.benefit-icon {
    font-size: 16px;
}

.onboarding-popup-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.onboarding-start-btn {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.onboarding-start-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.onboarding-skip-btn {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.onboarding-skip-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.onboarding-popup-footer {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Mobile responsiveness */
@media (max-width: 640px) {
    .onboarding-popup-modal {
        width: 95%;
        margin: 20px;
    }
    
    .onboarding-benefits {
        grid-template-columns: 1fr;
    }
    
    .onboarding-popup-actions {
        flex-direction: column;
    }
}

:root {
    /* Theme Colors */
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* Light Theme Variables */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #333333;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    --text-inverse: #ffffff;
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* Card specific */
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.15);
    
    /* Badge specific */
    --badge-bg-secondary: #6c757d;
    --badge-text-secondary: #ffffff;
    
    /* Theme-aware badge colors */
    --badge-primary-bg: #e7f3ff;
    --badge-primary-text: #0d6efd;
    --badge-primary-border: #b3d7ff;
    --badge-info-bg: #d1ecf1;
    --badge-info-text: #0dcaf0;
    --badge-info-border: #a6e5f0;
    --badge-info-hover: #bee5eb;
    --badge-success-bg: #d1e7dd;
    --badge-success-text: #198754;
    --badge-success-border: #a3d9a4;
    --badge-warning-bg: #fff3cd;
    --badge-warning-text: #fd7e14;
    --badge-warning-border: #ffeaa7;
    --badge-danger-bg: #f8d7da;
    --badge-danger-text: #dc3545;
    --badge-danger-border: #f5c2c7;
    --badge-light-bg: #f8f9fa;
    --badge-light-text: #6c757d;
    --badge-light-border: #dee2e6;
    
    /* Info and Danger states */
    --info-bg: #d1ecf1;
    --info-text: #0c5460;
    --info-border: #bee5eb;
    --danger-bg: #f8d7da;
    --danger-text: #721c24;
    --danger-border: #f5c6cb;
    
    /* Success states */
    --success-bg: #d1e7dd;
    --success-text: #198754;
    --success-border: #a3d9a4;
    
    /* Warning states */
    --warning-bg: #fff3cd;
    --warning-text: #856404;
    --warning-border: #ffeaa7;
    
    /* Leaderboard theme-aware colors */
    --leaderboard-gold-bg: #fff8e1;
    --leaderboard-gold-overlay: rgba(255, 215, 0, 0.2);
    --leaderboard-silver-bg: #f5f5f5;
    --leaderboard-silver-overlay: rgba(192, 192, 192, 0.2);
    --leaderboard-bronze-bg: #fff3e0;
    --leaderboard-bronze-overlay: rgba(205, 127, 50, 0.2);
    
    /* Card theme-aware colors */
    --contribute-card-bg: linear-gradient(135deg, #e3f2fd 0%, #d7ebd2 100%);
    --contribute-card-overlay: rgba(33, 150, 243, 0.1);
    --contribute-card-shadow: rgba(33, 150, 243, 0.3);
    --monetize-card-bg: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
    --monetize-card-overlay: rgba(76, 175, 80, 0.1);
    --monetize-card-shadow: rgba(76, 175, 80, 0.3);
    
    /* Pagination specific */
    --pagination-bg: #ffffff;
    --pagination-border: #dee2e6;
    --pagination-text: #007bff;
    --pagination-active-bg: #007bff;
    --pagination-active-text: #ffffff;
    
    /* Job input section gradient */
    --job-input-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Dark Theme Variables - Manual Override (Higher Priority) */
[data-theme="dark"] {
    --primary-color: #059b1e;
    --bg-primary: #1a1a1a !important;
    --bg-secondary: #2d2d2d !important;
    --bg-tertiary: #404040 !important;
    --text-primary: #ffffff !important;
    --text-secondary: #b0b0b0 !important;
    --text-muted: #888888 !important;
    --text-inverse: #333333 !important;
    --border-color: #404040 !important;
    --border-light: #2d2d2d !important;
    --shadow-color: rgba(0, 0, 0, 0.3) !important;
    --shadow-hover: rgba(0, 0, 0, 0.4) !important;
    
    /* Card specific */
    --card-bg: #2d2d2d !important;
    --card-border: #404040 !important;
    --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
    --card-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.4) !important;
    
    /* Badge specific */
    --badge-bg-secondary: #404040 !important;
    --badge-text-secondary: #ffffff !important;
    
    /* Theme-aware badge colors for dark theme */
    --badge-primary-bg: #1a3a5c !important;
    --badge-primary-text: #66b3ff !important;
    --badge-primary-border: #2d5a8a !important;
    --badge-info-bg: #1a4a5c !important;
    --badge-info-text: #66d9ff !important;
    --badge-info-border: #2d6a8a !important;
    --badge-info-hover: #2d6a8a !important;
    --badge-success-bg: #1a4a3a !important;
    --badge-success-text: #66d9a3 !important;
    --badge-success-border: #2d6a5a !important;
    --badge-warning-bg: #4a3a1a !important;
    --badge-warning-text: #ffb366 !important;
    --badge-warning-border: #6a5a2d !important;
    --badge-danger-bg: #4a1a1a !important;
    --badge-danger-text: #ff6666 !important;
    --badge-danger-border: #6a2d2d !important;
    --badge-light-bg: #404040 !important;
    --badge-light-text: #b0b0b0 !important;
    --badge-light-border: #555555 !important;
    
    /* Info and Danger states for dark theme */
    --info-bg: #1a4a5c !important;
    --info-text: #66d9ff !important;
    --info-border: #2d6a8a !important;
    --danger-bg: #4a1a1a !important;
    --danger-text: #ff6666 !important;
    --danger-border: #6a2d2d !important;
    
    /* Success states for dark theme */
    --success-bg: #1a4a3a !important;
    --success-text: #66d9a3 !important;
    --success-border: #2d6a5a !important;
    
    /* Warning states for dark theme */
    --warning-bg: #4a3a1a !important;
    --warning-text: #ffb366 !important;
    --warning-border: #6a5a2d !important;
    
    /* Leaderboard theme-aware colors */
    --leaderboard-gold-bg: #2d2a1a !important;
    --leaderboard-gold-overlay: rgba(255, 215, 0, 0.1) !important;
    --leaderboard-silver-bg: #2a2a2a !important;
    --leaderboard-silver-overlay: rgba(192, 192, 192, 0.1) !important;
    --leaderboard-bronze-bg: #2a1f1a !important;
    --leaderboard-bronze-overlay: rgba(205, 127, 50, 0.1) !important;
    
    /* Card theme-aware colors for dark theme */
    --contribute-card-bg: linear-gradient(135deg, #1a237e 0%, #283593 100%) !important;
    --contribute-card-overlay: rgba(33, 150, 243, 0.15) !important;
    --contribute-card-shadow: rgba(33, 150, 243, 0.2) !important;
    --monetize-card-bg: linear-gradient(135deg, #1b5e20 0%, #2e7d32 100%) !important;
    --monetize-card-overlay: rgba(76, 175, 80, 0.15) !important;
    --monetize-card-shadow: rgba(76, 175, 80, 0.2) !important;
    
    /* Pagination specific */
    --pagination-bg: #2d2d2d !important;
    --pagination-border: #404040 !important;
    --pagination-text: #ffffff !important;
    --pagination-active-bg: #007bff !important;
    --pagination-active-text: #ffffff !important;
    
    /* Job input section gradient for dark theme */
    --job-input-gradient: linear-gradient(135deg, #4a5568 0%, #2d3748 100%) !important;
}

/* Light Theme Variables - Manual Override (Higher Priority) */
[data-theme="light"] {
    --bg-primary: #ffffff !important;
    --bg-secondary: #f8f9fa !important;
    --bg-tertiary: #e9ecef !important;
    --text-primary: #333333 !important;
    --text-secondary: #6c757d !important;
    --text-muted: #6c757d !important;
    --text-inverse: #ffffff !important;
    --border-color: #dee2e6 !important;
    --border-light: #e9ecef !important;
    --shadow-color: rgba(0, 0, 0, 0.1) !important;
    --shadow-hover: rgba(0, 0, 0, 0.15) !important;
    
    /* Card specific */
    --card-bg: #ffffff !important;
    --card-border: #dee2e6 !important;
    --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    --card-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.15) !important;
    
    /* Badge specific */
    --badge-bg-secondary: #6c757d !important;
    --badge-text-secondary: #ffffff !important;
    
    /* Pagination specific */
    --pagination-bg: #ffffff !important;
    --pagination-border: #dee2e6 !important;
    --pagination-text: #007bff !important;
    --pagination-active-bg: #007bff !important;
    --pagination-active-text: #ffffff !important;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --bg-tertiary: #404040;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --text-muted: #888888;
        --text-inverse: #333333;
        --border-color: #404040;
        --border-light: #2d2d2d;
        --shadow-color: rgba(0, 0, 0, 0.3);
        --shadow-hover: rgba(0, 0, 0, 0.4);
        
        /* Card specific */
        --card-bg: #2d2d2d;
        --card-border: #404040;
        --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        --card-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.4);
        
        /* Badge specific */
        --badge-bg-secondary: #404040;
        --badge-text-secondary: #ffffff;
        
        /* Pagination specific */
        --pagination-bg: #2d2d2d;
        --pagination-border: #404040;
        --pagination-text: #ffffff;
        --pagination-active-bg: #007bff;
        --pagination-active-text: #ffffff;
    }
}

/* Manual dark theme override */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #404040;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --text-inverse: #333333;
    --border-color: #404040;
    --border-light: #2d2d2d;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
    
    /* Card specific */
    --card-bg: #2d2d2d;
    --card-border: #404040;
    --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.4);
    
    /* Badge specific */
    --badge-bg-secondary: #404040;
    --badge-text-secondary: #ffffff;
    
    /* Pagination specific */
    --pagination-bg: #2d2d2d;
    --pagination-border: #404040;
    --pagination-text: #ffffff;
    --pagination-active-bg: #007bff;
    --pagination-active-text: #ffffff;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Slide-down Notification Animation */
.messages-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    pointer-events: none;
    max-width: 500px;
    width: 90%;
}

.slide-down-notification {
    transform: translateY(-100%);
    animation: slideDown 0.5s ease-out forwards;
    margin: 0;
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
    padding: 16px 20px;
}

.slide-down-notification.alert-success {
    background: linear-gradient(135deg, var(--success-color), #20c997);
    color: white;
    border-color: var(--success-color);
}

.slide-down-notification.alert-error,
.slide-down-notification.alert-danger {
    background: linear-gradient(135deg, #dc3545, #e74c3c);
    color: white;
    border-color: var(--danger-color);
}

.slide-down-notification.alert-warning {
    background: linear-gradient(135deg, #ffc107, #f39c12);
    color: var(--text-primary);
    border-color: var(--warning-color);
}

.slide-down-notification.alert-info {
    background: linear-gradient(135deg, #17a2b8, #3498db);
    color: white;
    border-color: var(--info-color);
}

.slide-down-notification .btn-close {
    filter: invert(1);
    opacity: 0.8;
}

.slide-down-notification .btn-close:hover {
    opacity: 1;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Auto-dismiss animation */
.slide-down-notification.auto-dismiss {
    animation: slideDown 0.5s ease-out forwards, slideUp 0.5s ease-in 4.5s forwards;
}

@keyframes slideUp {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .messages-container {
        width: 95%;
        max-width: none;
        top: 10px;
    }
    
    .slide-down-notification {
        padding: 12px 16px;
        font-size: 14px;
    }
}

/* Navigation */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.card-body {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.card-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.card-title a {
    color: inherit;
    text-decoration: none;
}

.card-title a:hover {
    color: var(--primary-color);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.badge.bg-secondary {
    background-color: var(--badge-bg-secondary) !important;
    color: var(--badge-text-secondary) !important;
}

.badge.bg-beginner {
    background-color: var(--success-color) !important;
    color: var(--text-inverse) !important;
}

.badge.bg-easy {
    background-color: var(--info-color) !important;
    color: var(--text-inverse) !important;
}

.badge.bg-medium {
    background-color: var(--warning-color) !important;
    color: var(--text-primary) !important;
}

.badge.bg-hard {
    background-color: var(--warning-color) !important;
    color: var(--text-inverse) !important;
}

.badge.bg-expert {
    background-color: var(--danger-color) !important;
    color: var(--text-inverse) !important;
}

/* Text Colors */
.text-dark {
    color: var(--text-primary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

/* Background Colors */
.bg-dark {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

.bg-light {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* Pagination */
.pagination {
    background-color: var(--pagination-bg);
    border: 1px solid var(--pagination-border);
    color: var(--pagination-text);
}

.pagination .page-link {
    color: var(--pagination-text);
    background-color: var(--pagination-bg);
    border-color: var(--pagination-border);
}

.pagination .page-link:hover {
    color: var(--pagination-text);
    background-color: var(--bg-tertiary);
    border-color: var(--pagination-border);
}

.pagination .page-item.active .page-link {
    background-color: var(--pagination-active-bg);
    border-color: var(--pagination-active-bg);
    color: var(--pagination-active-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

/* Form Controls */
.form-control {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.form-control:focus {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-select {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.form-select:focus {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    color: var(--text-primary);
}

/* Alerts */
.alert {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.alert-info {
    background-color: var(--info-bg);
    color: var(--info-text);
    border-color: var(--info-border);
}

[data-theme="dark"] .alert-info {
    background-color: var(--info-bg);
    color: var(--info-text);
    border-color: var(--info-border);
}

/* Popular Topics Section */
.popular-topics {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    margin: 1rem 0;
}

.popular-topics h5 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.popular-topics .badge {
    margin: 0.25rem;
    transition: all 0.2s ease;
}

.popular-topics .badge:hover {
    transform: scale(1.05);
}

/* Top Solvers Section */
.top-solvers {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    margin: 1rem 0;
}

.top-solvers h5 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.solver-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.75rem;
    margin: 0.5rem 0;
    transition: all 0.2s ease;
}

.solver-card:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-1px);
}

.solver-name {
    color: var(--text-primary);
    font-weight: 600;
}

.solver-stats {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Additional Features Section */
.additional-features {
    margin: 1rem 0;
}

.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin: 0.5rem 0;
    transition: all 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.feature-card h5 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Math and Code Elements */
.math, .katex {
    color: var(--text-primary) !important;
}

/* Fix gradient issues in dark mode */
.math, .katex, .problem-content, .card-text {
    background: none !important;
    background-image: none !important;
    background-color: transparent !important;
}

/* Remove any gradient overlays */
.math::after, .katex::after, .problem-content::after, .card-text::after {
    display: none !important;
}

/* Code styling */
code {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    background-image: none !important;
}

pre {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    overflow-x: auto;
    background-image: none !important;
}

/* Fix any text gradient issues */
.card-text, .problem-description, .math-content {
    background: none !important;
    background-image: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
    -webkit-text-fill-color: unset !important;
    color: var(--text-primary) !important;
}

.question-content h1, .question-content h2, .question-content h3, 
.question-content h4, .question-content h5, .question-content h6 {
    color: var(--text-primary) !important;
}

.question-content code {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

.question-content pre {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

/* Answer section text - removed to preserve Monaco editor syntax highlighting */

/* Feedback section text */
.feedback-section, .feedback-section p, .feedback-section div, .feedback-section span {
    color: var(--text-primary) !important;
}

/* Current Question Container text colors - exclude Monaco editor */
#current-question-container:not(.monaco-editor):not(.monaco-editor *), 
#current-question-container p:not(.monaco-editor):not(.monaco-editor *), 
#current-question-container div:not(.monaco-editor):not(.monaco-editor *), 
#current-question-container span:not(.monaco-editor):not(.monaco-editor *),
#current-question-container h1:not(.monaco-editor):not(.monaco-editor *),
#current-question-container h2:not(.monaco-editor):not(.monaco-editor *),
#current-question-container h3:not(.monaco-editor):not(.monaco-editor *),
#current-question-container h4:not(.monaco-editor):not(.monaco-editor *),
#current-question-container h5:not(.monaco-editor):not(.monaco-editor *),
#current-question-container h6:not(.monaco-editor):not(.monaco-editor *) {
    color: var(--text-primary) !important;
}

/* Removed answer-section color rules to preserve Monaco editor syntax highlighting */

#current-question-container .feedback-section,
#current-question-container .feedback-section p,
#current-question-container .feedback-section div,
#current-question-container .feedback-section span {
    color: var(--text-primary) !important;
}

/* Icons */
.fas, .far, .fab {
    color: var(--text-primary);
}

/* Fix main content area background */
.main-content {
    background-color: var(--bg-primary) !important;
}

/* Fix the right column that contains the current question */
.col-md-9 {
    background-color: var(--bg-primary) !important;
}

/* Fix current question container background and text */
#current-question-container {
    background-color: var(--card-bg) !important;
}

#current-question-container .question-card {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

#current-question-container .question-card .card-body {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

/* Fix all elements inside current-question-container */
#current-question-container .question-header {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

#current-question-container .question-content {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

#current-question-container .answer-section {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

#current-question-container .feedback-section {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

#current-question-container .question-meta {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

/* Fix any divs, spans, and other elements inside - exclude Monaco editor */
#current-question-container div:not(.monaco-editor):not(.monaco-editor *),
#current-question-container span:not(.monaco-editor):not(.monaco-editor *),
#current-question-container p:not(.monaco-editor):not(.monaco-editor *) {
    /*background-color: inherit !important;*/
    color: var(--text-primary) !important;
}

/* Ensure problem header content is not affected by theme changes */
.problem-header-content {
    background-color: transparent !important;
    color: inherit !important;
}

.problem-header-content * {
    background-color: transparent !important;
    color: inherit !important;
}

/* Fix all popup windows and modals to use theme variables */
.explanation-popup {
    background-color: var(--card-bg) !important;
    border: 2px solid var(--info-color) !important;
    color: var(--text-primary) !important;
}

.explanation-popup h1, .explanation-popup h2, .explanation-popup h3, 
.explanation-popup h4, .explanation-popup h5, .explanation-popup h6 {
    color: var(--text-primary) !important;
}

.explanation-popup p, .explanation-popup div, .explanation-popup span {
    color: var(--text-primary) !important;
}

.explanation-popup code {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

.explanation-popup pre {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.explanation-popup a {
    color: var(--primary-color) !important;
}

.explanation-popup a:hover {
    color: var(--primary-color) !important;
    opacity: 0.8;
}

.explanation-popup blockquote {
    border-left: 4px solid var(--primary-color) !important;
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

.explanation-popup table {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
}

.explanation-popup th, .explanation-popup td {
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.explanation-popup th {
    background-color: var(--bg-tertiary) !important;
}

.explanation-popup hr {
    border-color: var(--border-color) !important;
}

.explanation-overlay {
    background: rgba(0, 0, 0, 0.5) !important;
}

/* Fix Bootstrap modals */
.modal-content {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.modal-header {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.modal-header .modal-title {
    color: var(--text-primary) !important;
}

.modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="light"] .modal-header .btn-close {
    filter: none;
}

.modal-body {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

.modal-footer {
    background-color: var(--bg-secondary) !important;
    border-top: 1px solid var(--border-color) !important;
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5) !important;
}

/* SVG Theme Variables */
:root {
    --svg-axis-color: #666666;
    --svg-text-color: #333333;
    --svg-title-color: #333333;
    --svg-line-color: #007bff;
    --svg-point-fill: #007bff;
    --svg-point-stroke: #ffffff;
    --svg-background: transparent;
    
    /* Graph node label colors */
    --graph-label-color: #007bff;
    --graph-label-hover-color: #0056b3;
    --graph-label-mini-color: #333333;
}

@media (prefers-color-scheme: dark) {
    :root {
        --svg-axis-color: #888888;
        --svg-text-color: #ffffff;
        --svg-title-color: #ffffff;
        --svg-line-color: #4dabf7;
        --svg-point-fill: #4dabf7;
        --svg-point-stroke: #2d2d2d;
        --svg-background: transparent;
        
        /* Graph node label colors for dark theme */
        --graph-label-color: #4dabf7;
        --graph-label-hover-color: #66b3ff;
        --graph-label-mini-color: #ffffff;
    }
}

[data-theme="dark"] {
    --svg-axis-color: #888888 !important;
    --svg-text-color: #ffffff !important;
    --svg-title-color: #ffffff !important;
    --svg-line-color: #4dabf7 !important;
    --svg-point-fill: #4dabf7 !important;
    --svg-point-stroke: #2d2d2d !important;
    --svg-background: transparent !important;
    
    /* Graph node label colors for dark theme */
    --graph-label-color: #4dabf7 !important;
    --graph-label-hover-color: #66b3ff !important;
    --graph-label-mini-color: #ffffff !important;
}

[data-theme="light"] {
    --svg-axis-color: #666666 !important;
    --svg-text-color: #333333 !important;
    --svg-title-color: #333333 !important;
    --svg-line-color: #007bff !important;
    --svg-point-fill: #007bff !important;
    --svg-point-stroke: #ffffff !important;
    --svg-background: transparent !important;
    
    /* Graph node label colors for light theme */
    --graph-label-color: #007bff !important;
    --graph-label-hover-color: #0056b3 !important;
    --graph-label-mini-color: #333333 !important;
}

/* Make SVG elements inherit theme colors */
svg {
    background-color: var(--bg-secondary) !important;
}

svg line {
    stroke: var(--svg-axis-color) !important;
}

svg text {
    fill: var(--svg-text-color) !important;
}

svg path {
    stroke: var(--svg-line-color) !important;
}

svg circle {
    fill: var(--svg-point-fill) !important;
    stroke: var(--svg-point-stroke) !important;
}

/* Fix navigation buttons to use theme variables */
.navigation-buttons {
    background: var(--bg-secondary) !important;
    border-top: 1px solid var(--border-color) !important;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1) !important;
}

.navigation-buttons .btn {
    color: var(--text-primary) !important;
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    min-width: auto !important;
    height: 2rem !important;
}

.navigation-buttons .btn:hover:not(:disabled) {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    opacity: 0.9;
}

.navigation-buttons .btn:disabled {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

/* Make Previous and Next buttons circular */
.navigation-buttons .btn.btn-previous,
.navigation-buttons .btn.btn-next {
    border-radius: 50% !important;
    width: 2rem !important;
    height: 2rem !important;
    min-width: 2rem !important;
    min-height: 2rem !important;
    max-width: 2rem !important;
    max-height: 2rem !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
}

/* Fix card headers to use theme variables */
.card-header {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.card-header h1, .card-header h2, .card-header h3, 
.card-header h4, .card-header h5, .card-header h6 {
    color: var(--text-primary) !important;
}

.card-header p, .card-header div, .card-header span {
    color: var(--text-primary) !important;
}

/* Fix question tags to use theme variables */
.question-tags .badge {
    background-color: var(--info-color) !important;
    color: white !important;
    border: 1px solid var(--info-color) !important;
}

.question-tags .badge:hover {
    background-color: var(--info-color) !important;
    opacity: 0.8;
    box-shadow: 0 2px 4px rgba(23, 162, 184, 0.3) !important;
}

/* Ensure question tags header adapts to theme */
.question-tags-header {
    color: var(--text-primary) !important;
}

.question-tags-header:hover {
    background-color: var(--bg-tertiary) !important;
}

/* Fix question-meta to match current-question-container background */
.question-meta {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border-top: 1px solid var(--border-color) !important;
}

/* Fix problem-user-count to adapt to theme */
.problem-user-count {
    color: var(--text-primary) !important;
}

.problem-user-count .user-count-badge {
    background: var(--bg-tertiary) !important;
    background-image: none !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 20px !important;
    padding: 6px 12px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

.problem-user-count .user-count-badge:hover {
    background: var(--bg-secondary) !important;
    background-image: none !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15) !important;
}

.problem-user-count .user-count-badge i {
    color: var(--primary-color) !important;
    font-size: 0.9rem !important;
}

.problem-user-count .user-count-number {
    color: var(--text-primary) !important;
    font-weight: 700 !important;
    margin-left: 4px !important;
}

/* Theme-aware Navbar */
.navbar-theme {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-theme .navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 600;
}

.navbar-theme .navbar-brand:hover {
    color: var(--primary-color) !important;
}

.navbar-theme .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
}

.navbar-theme .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-theme .navbar-toggler {
    border-color: var(--border-color);
}

.navbar-theme .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 0.55)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .navbar-theme .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.55)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-theme .dropdown-menu {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.navbar-theme .dropdown-item {
    color: var(--text-primary);
}

.navbar-theme .dropdown-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Problem Page Badge Overrides */
.badge.bg-info {
    background-color: var(--info-color) !important;
    color: white !important;
}

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

.badge.bg-success {
    background-color: var(--success-color) !important;
    color: white !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: var(--text-primary) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
    color: white !important;
}

.badge.bg-secondary {
    background-color: var(--secondary-color) !important;
    color: white !important;
}

/* Problem Page Button Overrides */
.btn-outline-secondary {
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
    background-color: var(--bg-secondary) !important;
}

.btn-outline-secondary:hover {
    color: var(--text-primary) !important;
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
}

.btn-outline-primary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    background-color: transparent !important;
}

.btn-outline-primary:hover {
    color: var(--text-inverse) !important;
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    border-radius: 0.5rem;
}

/* Progress Bars */
.progress {
    height: 0.5rem;
    border-radius: 0.25rem;
}

.progress-bar {
    background: linear-gradient(90deg, var(--success-color) 0%, #20c997 100%);
}

/* Code Blocks */
pre {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    overflow-x: auto;
}

code {
    background-color: var(--bg-secondary);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

/* Forms */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
}

.alert-success {
    background-color: var(--success-bg);
    color: var(--success-text);
}

.alert-danger {
    background-color: var(--danger-bg);
    color: var(--danger-text);
}

.alert-warning {
    background-color: var(--warning-bg);
    color: var(--warning-text);
}

.alert-info {
    background-color: var(--info-bg);
    color: var(--info-text);
}

/* Footer */
footer {
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Custom Utilities */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Problem-specific styles */
.problem-card {
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.difficulty-badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
}

/* Submission status colors */
.status-accepted {
    color: var(--success-color);
}

.status-wrong-answer {
    color: var(--danger-color);
}

.status-pending {
    color: var(--warning-color);
}

.status-running {
    color: var(--info-color);
}

/* Code editor styles */
.code-editor {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}


/* Math rendering */
.math {
    font-family: 'Times New Roman', serif;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .card {
        background-color: var(--card-bg);
        color: var(--text-primary);
    }
    
    .card-title a {
        color: var(--text-primary);
    }
    
    .card-title a:hover {
        color: var(--primary-color);
    }
}

/* Profile Page Styles */
.profile-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid white;
    object-fit: cover;
}

.stats-card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    border: none;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-tier-badge {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.contribution-item {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-color);
}

.progress-item {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.progress-bar {
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.achievement-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
}

/* Profile Edit Styles */
.profile-edit-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.profile-form-card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.btn-save {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 500;
}

.btn-save:hover {
    background: linear-gradient(45deg, #5a6fd8, #6a4190);
    color: white;
}

.btn-cancel {
    background: var(--secondary-color);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 500;
}

.btn-cancel:hover {
    background: var(--dark-color);
    color: white;
}

/* Responsive Profile Styles */
@media (max-width: 768px) {
    .profile-avatar {
        width: 80px;
        height: 80px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* Button icon colors - theme-aware */
.btn-light {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

.btn-light:hover {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}

.btn-light i {
    color: inherit !important;
}

.btn-light:hover i {
    color: inherit !important;
}

/* Blog-specific button and badge styles */
.blog-read-more-btn {
    background: var(--primary-color) !important;
    color: var(--text-inverse) !important;
    border: 1px solid var(--primary-color) !important;
    padding: 0.35rem 0.9rem !important;
    border-radius: 6px !important;
    font-weight: 500 !important;
    font-size: 0.8rem !important;
    text-decoration: none !important;
    transition: all 0.2s ease !important;
    box-shadow: none !important;
}

.blog-read-more-btn:hover {
    background: var(--primary-color) !important;
    filter: brightness(0.9);
    color: var(--text-inverse) !important;
    border-color: var(--primary-color) !important;
    text-decoration: none !important;
}

.blog-read-more-btn:active {
    background: var(--primary-color) !important;
    filter: brightness(0.8);
    border-color: var(--primary-color) !important;
}

.blog-read-more-btn i {
    transition: transform 0.2s ease !important;
}

.blog-read-more-btn:hover i {
    transform: translateX(2px) !important;
}

.blog-new-badge {
    background: var(--success-color) !important;
    color: var(--text-inverse) !important;
    border: none !important;
    padding: 0.2rem 0.5rem !important;
    border-radius: 4px !important;
    font-weight: 500 !important;
    font-size: 0.65rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.2px !important;
    box-shadow: none !important;
    position: relative !important;
}


/* News-specific button styles */
.news-read-more-btn {
    background: var(--success-color) !important;
    color: var(--text-inverse) !important;
    border: 1px solid var(--success-color) !important;
    padding: 0.35rem 0.9rem !important;
    border-radius: 6px !important;
    font-weight: 500 !important;
    font-size: 0.8rem !important;
    text-decoration: none !important;
    transition: all 0.2s ease !important;
    box-shadow: none !important;
}

.news-read-more-btn:hover {
    background: var(--success-color) !important;
    filter: brightness(0.9);
    color: var(--text-inverse) !important;
    border-color: var(--success-color) !important;
    text-decoration: none !important;
}

.news-read-more-btn:active {
    background: var(--success-color) !important;
    filter: brightness(0.8);
    border-color: var(--success-color) !important;
}

.news-read-more-btn i {
    transition: transform 0.2s ease !important;
}

.news-read-more-btn:hover i {
    transform: translateX(2px) !important;
}


/* Dark theme leaderboard overrides */
[data-theme="dark"] .leaderboard-item.rank-1 {
    background: linear-gradient(135deg, var(--leaderboard-gold-bg) 0%, var(--bg-secondary) 100%) !important;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.15), 0 2px 8px rgba(0,0,0,0.3) !important;
}

[data-theme="dark"] .leaderboard-item.rank-1::before {
    background: linear-gradient(135deg, var(--leaderboard-gold-overlay) 0%, rgba(255, 193, 7, 0.05) 100%) !important;
}

[data-theme="dark"] .leaderboard-item.rank-2 {
    background: linear-gradient(135deg, var(--leaderboard-silver-bg) 0%, var(--bg-secondary) 100%) !important;
    box-shadow: 0 4px 15px rgba(192, 192, 192, 0.15), 0 2px 8px rgba(0,0,0,0.3) !important;
}

[data-theme="dark"] .leaderboard-item.rank-2::before {
    background: linear-gradient(135deg, var(--leaderboard-silver-overlay) 0%, rgba(158, 158, 158, 0.05) 100%) !important;
}

[data-theme="dark"] .leaderboard-item.rank-3 {
    background: linear-gradient(135deg, var(--leaderboard-bronze-bg) 0%, var(--bg-secondary) 100%) !important;
    box-shadow: 0 4px 15px rgba(205, 127, 50, 0.15), 0 2px 8px rgba(0,0,0,0.3) !important;
}

[data-theme="dark"] .leaderboard-item.rank-3::before {
    background: linear-gradient(135deg, var(--leaderboard-bronze-overlay) 0%, rgba(183, 110, 35, 0.05) 100%) !important;
}

/* Subtle tag styling */
.news-tag, .blog-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    margin: 0.1rem 0.05rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    text-transform: capitalize;
    letter-spacing: 0.1px;
    box-shadow: none;
    border: 1px solid var(--border-color);
}

/* Default tag colors - subtle */
.blog-tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.news-tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

/* Hover effects - subtle */
.news-tag:hover, .blog-tag:hover {
    text-decoration: none;
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}


/* Image customization classes */
.img-small { 
    width: 200px !important; 
    max-width: 200px !important;
    height: auto !important;
    display: inline-block !important;
}

.img-medium { 
    width: 400px !important; 
    max-width: 400px !important;
    height: auto !important;
    display: inline-block !important;
}

.img-large { 
    width: 600px !important; 
    max-width: 600px !important;
    height: auto !important;
    display: inline-block !important;
}

.img-full { 
    width: 100% !important; 
    max-width: 100% !important;
    height: auto !important;
}

/* Image alignment classes */
.img-left { 
    float: left !important; 
    margin: 0 20px 20px 0 !important; 
}

.img-right { 
    float: right !important; 
    margin: 0 0 20px 20px !important; 
}

.img-center { 
    display: block !important; 
    margin: 20px auto !important; 
}

/* Center images even when inside paragraph tags */
p .img-center,
.rich-text .img-center,
.theme-adaptive-content .img-center {
    display: block !important;
    margin: 20px auto !important;
    text-align: center !important;
}

/* Ensure paragraph containing centered images is also centered */
p:has(.img-center) {
    text-align: center !important;
}

/* Image border styles */
.img-border { 
    border: 2px solid var(--border-color) !important; 
}

.img-border-primary { 
    border: 2px solid var(--primary-color) !important; 
}

.img-border-success { 
    border: 2px solid var(--success-color) !important; 
}

/* Image effects */
.img-rounded { 
    border-radius: 15px !important; 
}

.img-circle { 
    border-radius: 50% !important; 
}

.img-shadow { 
    box-shadow: 0 8px 16px var(--shadow-hover) !important; 
}

/* User icon styling for authenticated users */
#userDropdownToggle i.fas.fa-user,
#userDropdownToggleMobile i.fas.fa-user {
    color: var(--success-color) !important; /* Green color for logged in users */
    transition: color 0.3s ease;
}

/* Hover effect for user icon */
#userDropdownToggle:hover i.fas.fa-user,
#userDropdownToggleMobile:hover i.fas.fa-user {
    color: var(--success-color) !important; /* Darker green on hover */
    filter: brightness(0.8);
}

/* Domain Selection Styles */
.domain-selection {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    background-color: var(--bg-secondary);
    margin-top: 10px;
}

.domain-group {
    margin-bottom: 20px;
}

.domain-group:last-child {
    margin-bottom: 0;
}

.domain-group-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.domain-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.domain-option {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 0;
}

.domain-option:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.domain-option input[type="checkbox"] {
    margin-right: 12px;
    transform: scale(1.2);
    accent-color: var(--primary-color);
}

.domain-option input[type="checkbox"]:checked + .domain-label {
    color: var(--primary-color);
    font-weight: 600;
}

.domain-option:has(input[type="checkbox"]:checked) {
    border-color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.domain-label {
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.domain-selection-info {
    margin-top: 15px;
    text-align: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

#domain-count {
    font-weight: 600;
    color: var(--primary-color);
}

/* Disabled state when limit reached */
.domain-option.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-secondary);
}

.domain-option.disabled:hover {
    border-color: var(--border-light);
    background-color: var(--bg-secondary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .domain-options {
        grid-template-columns: 1fr;
    }
    
    .domain-selection {
        padding: 15px;
    }
}

/* User Tier Icon Styles */
.dropdown-item .tier-icon {
    font-size: 1em;
    opacity: 0.9;
    transition: all 0.2s ease;
    vertical-align: middle;
}

.dropdown-item:hover .tier-icon {
    opacity: 1;
    transform: scale(1.05);
}

/* Tier text styling */
.dropdown-item .tier-text {
    font-size: 0.8em;
    font-weight: 500;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.dropdown-item:hover .tier-text {
    opacity: 0.9;
}

/* Tier-specific icon animations */
.dropdown-item .tier-icon.fa-crown {
    animation: subtle-glow 2s ease-in-out infinite alternate;
}

.dropdown-item .tier-icon.fa-user-shield {
    animation: subtle-pulse 1.5s ease-in-out infinite;
}

@keyframes subtle-glow {
    from { text-shadow: 0 0 2px currentColor; }
    to { text-shadow: 0 0 4px currentColor, 0 0 8px currentColor; }
}

@keyframes subtle-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Enhanced Pagination Styles */
.pagination .page-link {
    border-radius: 0.375rem;
    margin: 0 2px;
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    transition: all 0.2s ease;
}

.pagination .page-link:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.pagination .page-item.disabled .page-link {
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    cursor: not-allowed;
}

.pagination .page-item.disabled .page-link:hover {
    transform: none;
    box-shadow: none;
}

/* Responsive pagination text */
@media (max-width: 576px) {
    .pagination .page-link {
        padding: 0.375rem 0.5rem;
        font-size: 0.875rem;
    }
}

/* Small pagination specific styles */
.pagination-sm .page-link {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

.pagination-sm .page-item:first-child .page-link {
    border-top-left-radius: 0.25rem;
    border-bottom-left-radius: 0.25rem;
}

.pagination-sm .page-item:last-child .page-link {
    border-top-right-radius: 0.25rem;
    border-bottom-right-radius: 0.25rem;
}

/* Ensure small pagination icons are properly sized */
.pagination-sm .page-link i {
    font-size: 0.75rem;
}

/* ============================================================================
   Source Type Ribbon Styles (Unified for home.html and list.html)
   ============================================================================ */

/* Base ribbon style for all cards with source material */
.problem-card.has-source::before,
.card.has-source::before {
    position: absolute;
    top: 2px;
    right: -35px;
    color: white;
    padding: 5px 40px;
    font-size: 12px;
    font-weight: bold;
    text-transform: capitalize;
    transform: rotate(45deg);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Video */
.problem-card.source-video::before,
.card.source-video::before {
    content: "Video";
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
}

.problem-card.source-video,
.card.source-video {
    border: 1px solid #ff6b6b;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.2);
}

/* Book */
.problem-card.source-book::before,
.card.source-book::before {
    content: "Book";
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.problem-card.source-book,
.card.source-book {
    border: 1px solid #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

/* Paper */
.problem-card.source-paper::before,
.card.source-paper::before {
    content: "Paper";
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.problem-card.source-paper,
.card.source-paper {
    border: 1px solid #f093fb;
    box-shadow: 0 4px 12px rgba(240, 147, 251, 0.2);
}

/* Course */
.problem-card.source-course::before,
.card.source-course::before {
    content: "Course";
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.problem-card.source-course,
.card.source-course {
    border: 1px solid #4facfe;
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.2);
}

/* Tutorial */
.problem-card.source-tutorial::before,
.card.source-tutorial::before {
    content: "Tutorial";
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.problem-card.source-tutorial,
.card.source-tutorial {
    border: 1px solid #43e97b;
    box-shadow: 0 4px 12px rgba(67, 233, 123, 0.2);
}

/* Conference */
.problem-card.source-conference::before,
.card.source-conference::before {
    content: "Conference";
    background: linear-gradient(135deg, #fa709a, #fee140);
}

.problem-card.source-conference,
.card.source-conference {
    border: 1px solid #fa709a;
    box-shadow: 0 4px 12px rgba(250, 112, 154, 0.2);
}

/* Podcast */
.problem-card.source-podcast::before,
.card.source-podcast::before {
    content: "Podcast";
    background: linear-gradient(135deg, #30cfd0, #330867);
}

.problem-card.source-podcast,
.card.source-podcast {
    border: 1px solid #30cfd0;
    box-shadow: 0 4px 12px rgba(48, 207, 208, 0.2);
}

/* Article */
.problem-card.source-article::before,
.card.source-article::before {
    content: "Article";
    background: linear-gradient(135deg, #a8edea, #fed6e3);
}

.problem-card.source-article,
.card.source-article {
    border: 1px solid #a8edea;
    box-shadow: 0 4px 12px rgba(168, 237, 234, 0.2);
}

/* Other */
.problem-card.source-other::before,
.card.source-other::before {
    content: "Other";
    background: linear-gradient(135deg, #d299c2, #fef9d7);
}

.problem-card.source-other,
.card.source-other {
    border: 1px solid #d299c2;
    box-shadow: 0 4px 12px rgba(210, 153, 194, 0.2);
}

/* Grade Level Ribbons - Inheriting from base ribbon styles */
/* Grade 5 */
.problem-card.has-source.grade5::before,
.card.has-source.grade5::before {
    content: "Grade5";
    background: linear-gradient(135deg, #ff9a56, #ff6b35);
    font-size: 10px;
}

.problem-card.has-source.grade5,
.card.has-source.grade5 {
    border: 1px solid #ff9a56;
    box-shadow: 0 4px 12px rgba(255, 154, 86, 0.2);
}

/* Grade 6 */
.problem-card.has-source.grade6::before,
.card.has-source.grade6::before {
    content: "Grade6";
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    font-size: 10px;
}

.problem-card.has-source.grade6,
.card.has-source.grade6 {
    border: 1px solid #4ecdc4;
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.2);
}

/* Grade 7 */
.problem-card.has-source.grade7::before,
.card.has-source.grade7::before {
    content: "Grade7";
    background: linear-gradient(135deg, #667eea, #764ba2);
    font-size: 10px;
}

.problem-card.has-source.grade7,
.card.has-source.grade7 {
    border: 1px solid #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

/* Grade 8 */
.problem-card.has-source.grade8::before,
.card.has-source.grade8::before {
    content: "Grade8";
    background: linear-gradient(135deg, #f093fb, #f5576c);
    font-size: 10px;
}

.problem-card.has-source.grade8,
.card.has-source.grade8 {
    border: 1px solid #f093fb;
    box-shadow: 0 4px 12px rgba(240, 147, 251, 0.2);
}

/* Grade 9 */
.problem-card.has-source.grade9::before,
.card.has-source.grade9::before {
    content: "Grade9";
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    font-size: 10px;
}

.problem-card.has-source.grade9,
.card.has-source.grade9 {
    border: 1px solid #4facfe;
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.2);
}

/* Grade 10 */
.problem-card.has-source.grade10::before,
.card.has-source.grade10::before {
    content: "Grade10";
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    font-size: 10px;
}

.problem-card.has-source.grade10,
.card.has-source.grade10 {
    border: 1px solid #43e97b;
    box-shadow: 0 4px 12px rgba(67, 233, 123, 0.2);
}

/* Premium problem highlight */
.problem-card.premium-highlight,
.card.premium-highlight {
    background: linear-gradient(135deg, 
        rgba(255, 215, 0, 0.05) 0%, 
        rgba(255, 223, 0, 0.1) 50%, 
        rgba(255, 215, 0, 0.05) 100%);
    border: 2px solid #ffd700 !important;
    box-shadow: 
        0 0 20px rgba(255, 215, 0, 0.3),
        0 0 40px rgba(255, 215, 0, 0.2),
        0 4px 15px rgba(255, 215, 0, 0.25) !important;
    position: relative;
}


.problem-card.premium-highlight::after,
.card.premium-highlight::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 215, 0, 0.1) 50%,
        transparent 70%
    );
    pointer-events: none;
    border-radius: inherit;
}

/* Premium card hover effect */
.problem-card.premium-highlight:hover {
    transform: translateY(-8px) !important;
    box-shadow: 
        0 0 30px rgba(255, 215, 0, 0.5),
        0 0 60px rgba(255, 215, 0, 0.3),
        0 8px 25px rgba(255, 215, 0, 0.4) !important;
}

.card.premium-highlight:hover {
    transform: translateY(-4px) !important;
    box-shadow: 
        0 0 30px rgba(255, 215, 0, 0.5),
        0 0 60px rgba(255, 215, 0, 0.3),
        0 8px 25px rgba(255, 215, 0, 0.4) !important;
}

/* Enhanced Referral Section - Same Size */
.referral-section {
    position: relative;
}

.referral-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-radius: 8px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.referral-section:hover::before {
    opacity: 1;
}

.referral-copy-btn:hover {
    background: #667eea !important;
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.referral-link-input:focus {
    border-color: #667eea !important;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25) !important;
}

/* Gradient text effect */
.gradient-text {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Editable Tags Styles */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    min-height: 40px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 4px 8px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
    gap: 6px;
    transition: all 0.2s ease;
}

.tag-pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.tag-remove {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    padding: 0;
    margin-left: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.tag-remove:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.tag-input-container {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.tag-input-wrapper {
    position: relative;
    flex: 1;
}

.tag-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.tag-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.tag-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 6px 6px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.tag-suggestion {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    transition: background-color 0.2s ease;
}

.tag-suggestion:hover {
    background-color: var(--bg-secondary);
}

.btn-add-tag {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-add-tag:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-add-tag:active {
    transform: translateY(0);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .tag-input-container {
        flex-direction: column;
    }
    
    .btn-add-tag {
        width: 100%;
        justify-content: center;
    }
}