/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #f9fafb;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.125rem;
    color: #6b7280;
}

/* Main content */
.main {
    flex: 1;
}

/* Card grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
}

.card-header {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-description {
    color: #6b7280;
}

.card-footer {
    padding: 0 1.5rem 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background-color: #e5e7eb;
}

/* Info section */
.info-section {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    margin-bottom: 2rem;
}

.info-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.info-section p {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #f0f9ff;
    border: 1px solid #e0f2fe;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.feature-icon {
    font-size: 1rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #e5e7eb;
    color: #6b7280;
    margin-top: auto;
}

/* Page layout for content pages */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: #6b7280;
    font-size: 1.125rem;
}

.page-content {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    margin-bottom: 2rem;
}

.page-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    color: #111827;
}

.page-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
    color: #374151;
}

.page-content p {
    margin-bottom: 1rem;
    color: #4b5563;
}

.page-content ul, .page-content ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
    color: #4b5563;
}

.page-content li {
    margin-bottom: 0.5rem;
}

/* Form styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #374151;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Navigation */
.nav-back {
    margin-bottom: 2rem;
}

.nav-back .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features {
        flex-direction: column;
    }
    
    .page-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.75rem;
    }
    
    .page-content {
        padding: 1rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .card-footer {
        padding: 0 1rem 1rem;
    }
}