/**
 * App-specific CSS for A Letter Writer theme
 * Additional styles for app interfaces and components
 */

/* App Form Components */
.app-form {
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    margin-bottom: 2rem;
}

.app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Form Sections and Groups */
.form-section {
    margin-bottom: 3rem;
    padding: 0 2rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:first-child {
    padding-top: 2rem;
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bg-light);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group label.required::after {
    content: ' *';
    color: #E53E3E;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: #E53E3E;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Form Actions */
.form-actions {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 12px 12px;
    margin-top: 2rem;
}

/* Results and Output */
.results-box {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
}

.results-box.success {
    background: #F0FFF4;
    border-color: var(--secondary-color);
}

.results-box.error {
    background: #FED7D7;
    border-color: #E53E3E;
}

.results-box.warning {
    background: #FFFBEB;
    border-color: var(--accent-color);
}

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

.results-header h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

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

.stat-item {
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
}

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

.stat-item.success {
    background: var(--secondary-color);
    color: white;
}

.stat-item.warning {
    background: var(--accent-color);
    color: white;
}

/* Letter Preview */
.letter-preview {
    background: #FEFEFE;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    margin: 2rem 0;
    max-height: 700px;
    overflow-y: auto;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.letter-content {
    font-family: 'Times New Roman', serif;
    font-size: 14px;
    line-height: 1.7;
    white-space: pre-wrap;
    margin: 0;
    color: #2D3748;
    word-wrap: break-word;
}

/* Action Buttons */
.results-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
}

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

.action-btn.primary:hover {
    background: #2A4F7C;
    transform: translateY(-2px);
}

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

.action-btn.secondary:hover {
    background: #2F855A;
    transform: translateY(-2px);
}

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

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

/* Error and Success Messages */
.message {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border-left: 4px solid;
}

.message.error {
    background: #FED7D7;
    color: #742A2A;
    border-left-color: #E53E3E;
}

.message.success {
    background: #F0FFF4;
    color: #22543D;
    border-left-color: var(--secondary-color);
}

.message.warning {
    background: #FFFBEB;
    color: #744210;
    border-left-color: var(--accent-color);
}

.message.info {
    background: #EBF8FF;
    color: #2C5282;
    border-left-color: var(--primary-color);
}

/* Progress Indicators */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-light);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Tooltips */
.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-dark);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Toggle Switches */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #CBD5E0;
    transition: var(--transition);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    transition: var(--transition);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary-color);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* Card Layouts */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.info-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--primary-color);
}

.info-card h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.info-card p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        padding: 1rem 0.5rem;
    }
    
    .form-section {
        padding: 1.5rem 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .results-stats {
        width: 100%;
        justify-content: space-between;
    }
    
    .results-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .letter-preview {
        padding: 1.5rem;
    }
    
    .letter-content {
        font-size: 13px;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .form-section h3 {
        font-size: 1.125rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
    }
    
    .letter-preview {
        padding: 1rem;
    }
    
    .results-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stat-item {
        text-align: center;
    }
}

/* Print Styles */
@media print {
    .form-section,
    .results-actions,
    .results-header {
        display: none !important;
    }
    
    .letter-preview {
        background: white !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
        max-height: none !important;
        overflow: visible !important;
    }
    
    .letter-content {
        font-size: 12pt !important;
        line-height: 1.6 !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .letter-preview {
        background: #2D3748;
        border-color: #4A5568;
    }
    
    .letter-content {
        color: #E2E8F0;
    }
    
    .info-card {
        background: #2D3748;
        border-left-color: var(--secondary-color);
    }
}

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

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

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