/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 140px);
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 50%, #1d4ed8 100%);
    color: white;
    padding: 1.5rem 0;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-brand {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    letter-spacing: -0.025em;
    transition: all 0.3s ease;
}

.nav-brand:hover {
    transform: scale(1.02);
    color: #bfdbfe;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-1px);
}

.logout-link {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logout-link:hover {
    background: #dc2626;
    border-color: #dc2626;
    color: white;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
}

.page-header p {
    font-size: 1.25rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

/* Sections */
.section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    margin-bottom: 2.5rem;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.section:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.section h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

.section-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
    position: relative;
    overflow: hidden;
    min-width: 120px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(100, 116, 139, 0.25);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    box-shadow: 0 8px 25px rgba(100, 116, 139, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.25);
}

.btn-info:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    min-width: 80px;
}

/* Forms */
.module-form, .question-form {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.form-group.vertical {
    flex-direction: column;
    align-items: stretch;
}

.form-label {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.75rem;
    display: block;
    font-size: 1rem;
    letter-spacing: 0.025em;
}

.form-input, .form-textarea {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    min-width: 280px;
    background: white;
    font-family: inherit;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.form-textarea {
    resize: vertical;
    min-height: 180px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', 'Courier New', monospace;
    line-height: 1.6;
}

.file-input {
    min-width: auto;
    padding: 0.75rem;
    border: 2px dashed #cbd5e1;
    background: #f8fafc;
    cursor: pointer;
}

.file-input:hover {
    border-color: #3b82f6;
    background: #eff6ff;
}

.form-help {
    color: #64748b;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
    font-style: italic;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Module Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2rem;
}

.module-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.module-card:hover::before {
    transform: scaleX(1);
}

.module-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.module-header h3 {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.module-date {
    color: #64748b;
    font-size: 0.875rem;
    font-weight: 500;
    background: #f1f5f9;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    display: inline-block;
}

.module-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Questions Grid */
.questions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.question-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
    z-index: 1;
}

.question-card:hover::before {
    transform: scaleX(1);
}

.question-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 16px 40px rgba(0,0,0,0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.question-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.question-image::after {
    content: '🖼️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0.3;
    z-index: 0;
}

.question-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.question-card:hover .question-img {
    transform: scale(1.05);
}

.question-info {
    padding: 1.5rem;
}

.question-number {
    font-weight: 700;
    font-size: 1.125rem;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
}

.question-date {
    color: #64748b;
    font-size: 0.875rem;
    font-weight: 500;
    background: #f1f5f9;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    display: inline-block;
}

.question-actions {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
    flex-wrap: wrap;
}

/* Q&A View */
.qa-container {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.qa-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.qa-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.qa-header {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.qa-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #8b5cf6, #06b6d4, #10b981);
}

.qa-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.qa-date {
    opacity: 0.9;
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
}

.qa-content {
    padding: 2rem;
}

.qa-question, .qa-answer {
    margin-bottom: 2.5rem;
}

.qa-question h4, .qa-answer h4 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qa-question h4::before {
    content: '❓';
    font-size: 1.5rem;
}

.qa-answer h4::before {
    content: '✅';
    font-size: 1.5rem;
}

.qa-image {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    max-height: 500px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.qa-image::before {
    content: '🖼️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    opacity: 0.2;
    z-index: 0;
}

.qa-img {
    max-width: 100%;
    max-height: 450px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.answer-content {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    position: relative;
}

.answer-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    border-radius: 16px 16px 0 0;
}

.answer-content pre {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1rem 0;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    border: 1px solid #475569;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
}

.answer-content pre::before {
    content: 'Code';
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    font-size: 0.75rem;
    color: #64748b;
    font-family: system-ui;
}

.answer-content code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
}

.answer-content p {
    margin-bottom: 1.25rem;
    line-height: 1.7;
    color: #334155;
    font-size: 1rem;
}

.code-fallback {
    margin-top: 1.5rem;
}

.code-fallback h5 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 2rem;
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 1000;
    max-width: 400px;
}

.flash-message {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: 0.875rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
    position: relative;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.flash-success {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #166534;
    border-left-color: #16a34a;
}

.flash-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fecaca 100%);
    color: #991b1b;
    border-left-color: #dc2626;
}

.flash-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border-left-color: #2563eb;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #64748b;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px;
    border: 2px dashed #cbd5e1;
}

.empty-state::before {
    content: '📋';
    display: block;
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.empty-state p {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.empty-state a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.empty-state a:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-1px);
}

/* Info Box */
.info-box {
    background: #e7f3ff;
    border: 1px solid #b3d9ff;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.info-box h3 {
    color: #0066cc;
    margin-bottom: 1rem;
}

.info-box ul {
    margin-left: 1.5rem;
}

.info-box li {
    margin-bottom: 0.5rem;
    color: #333;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer p {
    margin: 0;
    opacity: 0.9;
    font-weight: 500;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
}

/* Selection Styling */
::selection {
    background: rgba(59, 130, 246, 0.2);
    color: #1e40af;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section, .module-card, .question-card, .qa-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Focus States for Accessibility */
.btn:focus,
.form-input:focus,
.form-textarea:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    .section-actions,
    .module-actions,
    .question-actions {
        display: none !important;
    }
    
    .page-header,
    .section,
    .qa-item {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 0.75rem;
    }
    
    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .page-header {
        padding: 2rem 1rem;
        margin-bottom: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .section {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .modules-grid, .questions-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .module-card, .question-card {
        padding: 1.5rem;
    }
    
    .form-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .form-input, .form-textarea {
        min-width: auto;
    }
    
    .module-actions, .section-actions, .form-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .qa-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem 1.5rem;
    }
    
    .qa-content {
        padding: 1.5rem;
    }
    
    .qa-question h4, .qa-answer h4 {
        font-size: 1.125rem;
    }
    
    .flash-messages {
        position: static;
        max-width: none;
        margin-bottom: 1rem;
    }
    
    .question-image {
        height: 200px;
    }
    
    .answer-content pre {
        font-size: 0.75rem;
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.75rem;
    }
    
    .module-card, .question-card, .section {
        padding: 1rem;
    }
    
    .qa-header {
        padding: 1rem;
    }
    
    .qa-content {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}

/* Copy Button Styles */
.answer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
}

.copy-btn:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

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

.copy-btn.copied {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.2);
}

.copy-btn.copied:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.copy-icon {
    font-size: 1rem;
    line-height: 1;
}

.copy-text {
    font-weight: 500;
}

/* Responsive Design for Copy Button */
@media (max-width: 768px) {
    .answer-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .copy-btn {
        align-self: stretch;
        justify-content: center;
    }
}