/* AccuOrtho Report Generator - Main Styles */

:root {
    /* Brand Colors */
    --primary-blue: #2563eb;
    --primary-blue-hover: #1d4ed8;
    --primary-blue-light: #3b82f6;
    --secondary-gray: #f8fafc;
    --dark-gray: #1e293b;
    --medium-gray: #64748b;
    --light-gray: #e2e8f0;
    --border-gray: #cbd5e1;
    
    /* Status Colors */
    --success-green: #10b981;
    --success-bg: #d1fae5;
    --warning-orange: #f59e0b;
    --warning-bg: #fef3c7;
    --danger-red: #ef4444;
    --danger-bg: #fee2e2;
    
    /* UI Variables */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--dark-gray);
    background-color: var(--secondary-gray);
    line-height: 1.6;
    font-size: 16px;
}

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: white;
    border-bottom: 1px solid var(--border-gray);
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    flex-direction: column;
}

.app-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin: 0;
}

.app-subtitle {
    color: var(--medium-gray);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Upload Section */
.upload-section {
    margin-bottom: 3rem;
}

.upload-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.section-description {
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-gray);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--secondary-gray);
}

.upload-area:hover {
    border-color: var(--primary-blue);
    background-color: rgba(37, 99, 235, 0.05);
}

.upload-area.dragging {
    border-color: var(--primary-blue);
    background-color: rgba(37, 99, 235, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    width: 64px;
    height: 64px;
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

.upload-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.upload-text {
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: white;
    color: var(--dark-gray);
    border: 1px solid var(--border-gray);
}

.btn-secondary:hover {
    background-color: var(--secondary-gray);
    transform: translateY(-1px);
}

.btn-generate {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    margin-top: 2rem;
}

.icon {
    width: 20px;
    height: 20px;
}

/* File Info */
.file-info {
    animation: fadeIn 0.3s ease;
}

.file-details {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--secondary-gray);
    border-radius: var(--border-radius-sm);
    margin-bottom: 2rem;
}

.file-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-blue);
}

.file-meta {
    flex: 1;
}

.file-name {
    font-weight: 600;
    color: var(--dark-gray);
}

.file-size {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

.btn-remove {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--medium-gray);
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.btn-remove:hover {
    background-color: var(--danger-bg);
    color: var(--danger-red);
}

.btn-remove svg {
    width: 16px;
    height: 16px;
}

/* Report Options */
.report-options {
    margin-bottom: 1.5rem;
}

.options-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-gray);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Progress Section */
.progress-section {
    animation: fadeIn 0.3s ease;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.progress-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.progress-percentage {
    font-weight: 600;
    color: var(--primary-blue);
}

.progress-bar {
    height: 8px;
    background-color: var(--light-gray);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-blue);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-status {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

/* Success Section */
.success-section {
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--success-green);
}

.success-icon svg {
    width: 100%;
    height: 100%;
}

.success-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.success-text {
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Error Section */
.error-section {
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.error-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--danger-red);
}

.error-icon svg {
    width: 100%;
    height: 100%;
}

.error-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.error-message {
    color: var(--medium-gray);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Validation error specific styles */
.validation-errors {
    text-align: left;
    background: #fee;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--danger-red);
    margin: 1rem auto;
    max-width: 600px;
}

.validation-errors ul {
    margin: 0;
    padding-left: 1.5rem;
    list-style-type: disc;
}

.validation-errors li {
    margin-bottom: 0.5rem;
    color: var(--danger-red);
}

/* Recent Reports */
.recent-reports {
    margin-top: 3rem;
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.report-item {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

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

/* Footer */
.app-footer {
    background: white;
    border-top: 1px solid var(--border-gray);
    padding: 1.5rem;
    text-align: center;
    color: var(--medium-gray);
    font-size: 0.875rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .main-content {
        padding: 2rem 1rem;
    }
    
    .upload-card {
        padding: 1.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}