/* PrintPal - 3D Printing Companion App Styles */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #1e293b 75%, #0f172a 100%);
    background-attachment: fixed;
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    color: #e2e8f0;
    line-height: 1.6;
    min-height: 100vh;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Add subtle tech pattern overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, transparent 48%, rgba(59, 130, 246, 0.03) 49%, rgba(59, 130, 246, 0.03) 51%, transparent 52%);
    background-size: 200px 200px, 300px 300px, 20px 20px;
    pointer-events: none;
    z-index: -1;
}

/* Navigation Styles */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: none; /* Remove max-width constraint per user preference */
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    gap: 0.5rem;
}

.nav-brand i {
    font-size: 1.75rem;
    color: #3b82f6;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    color: white;
    transform: translateY(-1px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.nav-user {
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-avatar:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* Main Content Area */
.main-content {
    max-width: none; /* Remove max-width constraint per user preference */
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 64px);
}

.content-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.content-section.active {
    display: block;
}

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

.section-header {
    margin-bottom: 2rem;
}

.section-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.section-header p {
    font-size: 1.125rem;
    color: #94a3b8;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.stat-content h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: #94a3b8;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #f1f5f9;
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: #94a3b8;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.dashboard-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 1rem;
}

/* Activity List */
.activity-list {
    space-y: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
}

.activity-icon.success {
    background-color: #10b981;
}

.activity-icon.warning {
    background-color: #f59e0b;
}

.activity-icon.info {
    background-color: #3b82f6;
}

.activity-content h4 {
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 0.25rem;
}

.activity-content p {
    font-size: 0.875rem;
    color: #94a3b8;
}

.activity-time {
    font-size: 0.875rem;
    color: #94a3b8;
    font-weight: 500;
    margin-left: auto;
}

/* Printer Status */
.printer-status-list {
    space-y: 1rem;
}

.printer-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.printer-status:last-child {
    border-bottom: none;
}

.printer-info h4 {
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 0.25rem;
}

.printer-info p {
    font-size: 0.875rem;
    color: #94a3b8;
}

.printer-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.printer-indicator.online {
    background-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.printer-indicator.idle {
    background-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.printer-indicator.offline {
    background-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Quick Actions */
.quick-actions {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.quick-actions h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 1rem;
}

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

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.action-btn.primary {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
}

.action-btn.secondary {
    background: rgba(51, 65, 85, 0.8);
    color: #e2e8f0;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.action-btn.secondary:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-1px);
    border-color: rgba(59, 130, 246, 0.5);
}

/* File Upload Section */
.upload-section {
    margin-bottom: 2rem;
}

.upload-area {
    border: 2px dashed #cbd5e1;
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
    background: #f8fafc;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: #667eea;
    background: #f0f4ff;
}

.upload-content i {
    font-size: 3rem;
    color: #94a3b8;
    margin-bottom: 1rem;
}

.upload-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.upload-content p {
    color: #64748b;
    margin-bottom: 1.5rem;
}

.upload-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(102, 126, 234, 0.4);
}

/* File Filters */
.file-filters {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: #374151;
}

.filter-group select {
    padding: 0.5rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background: white;
    color: #374151;
}

.search-box {
    position: relative;
    margin-left: auto;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
}

.search-box input {
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    width: 250px;
}

/* File Grid */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.file-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.file-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.file-preview {
    width: 100%;
    height: 120px;
    background: #f8fafc;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border: 1px solid #e2e8f0;
}

.file-preview i {
    font-size: 2rem;
    color: #94a3b8;
}

.file-info h4 {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.file-info p {
    font-size: 0.875rem;
    color: #64748b;
    margin-bottom: 1rem;
}

.file-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-small {
    padding: 0.5rem;
    border: none;
    border-radius: 0.375rem;
    background: #f1f5f9;
    color: #475569;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.btn-small:hover {
    background: #e2e8f0;
    transform: translateY(-1px);
}

.btn-small.danger:hover {
    background: #fecaca;
    color: #dc2626;
}

/* Printer Cards */
.add-printer-section {
    margin-bottom: 2rem;
}

.add-printer-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.add-printer-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.4);
}

.printers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.printer-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.printer-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

.printer-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
}

.printer-status-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.printer-status-indicator.online {
    background-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.printer-status-indicator.idle {
    background-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.printer-status-indicator.offline {
    background-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.printer-details {
    margin-bottom: 1.5rem;
}

.printer-info {
    margin-bottom: 1rem;
}

.printer-info p {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.printer-info strong {
    color: #374151;
}

.printer-temp {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 0.5rem;
}

.temp-reading {
    text-align: center;
}

.temp-label {
    display: block;
    font-size: 0.75rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.temp-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
}

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

.btn-primary,
.btn-secondary {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #e2e8f0;
    transform: translateY(-1px);
}

/* Queue Styles */
.queue-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.queue-list {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.queue-item {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.queue-item:last-child {
    border-bottom: none;
}

.queue-item.active {
    background: #f0f4ff;
    border-left: 4px solid #667eea;
}

.queue-item-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.queue-priority {
    flex-shrink: 0;
}

.priority-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.priority-badge.high {
    background: #fecaca;
    color: #dc2626;
}

.priority-badge.medium {
    background: #fed7aa;
    color: #ea580c;
}

.priority-badge.low {
    background: #d1fae5;
    color: #059669;
}

.queue-item-info {
    flex: 1;
}

.queue-item-info h4 {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.queue-item-info p {
    font-size: 0.875rem;
    color: #64748b;
}

.queue-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.progress-bar {
    width: 100px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    min-width: 60px;
    text-align: right;
}

.queue-item-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Settings Grid */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.settings-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.settings-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    font-weight: 500;
    color: #374151;
}

.setting-item input[type="text"],
.setting-item input[type="number"],
.setting-item select {
    padding: 0.5rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    background: white;
    color: #374151;
    min-width: 150px;
}

.setting-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: #667eea;
}

.build-volume-inputs {
    display: flex;
    gap: 0.5rem;
}

.build-volume-inputs input {
    width: 80px;
}

.print-settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

/* Contact Form */
.contact-card {
    grid-column: span 2;
}

.contact-form {
    margin-top: 1rem;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 0.5rem;
    background: rgba(30, 41, 59, 0.8);
    color: #f1f5f9;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
    color: #ffffff;
}

.modal-content.large {
    max-width: 800px;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    color: #ffffff;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
}

.close {
    color: #e2e8f0;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #ffffff;
}

.modal-form {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

/* Preview Modal */
.preview-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    padding: 1.5rem;
}

#modelViewer {
    height: 400px;
    background: #f8fafc;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
}

.preview-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.model-stats {
    margin-bottom: 1.5rem;
}

.stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.stat:last-child {
    border-bottom: none;
}

.stat-label {
    color: #64748b;
    font-weight: 500;
}

.stat-value {
    color: #1e293b;
    font-weight: 600;
}

.preview-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-link {
        padding: 0.5rem;
    }
    
    .nav-link span {
        display: none;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .section-header h1 {
        font-size: 2rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .file-filters {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .search-box {
        margin-left: 0;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .file-grid {
        grid-template-columns: 1fr;
    }
    
    .printers-grid {
        grid-template-columns: 1fr;
    }
    
    .queue-item-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .queue-progress {
        justify-content: space-between;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        grid-column: span 1;
    }
    
    .preview-container {
        grid-template-columns: 1fr;
    }
    
    .print-settings-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 56px;
    }
    
    .nav-brand {
        font-size: 1.25rem;
    }
    
    .main-content {
        padding: 0.75rem;
    }
    
    .section-header h1 {
        font-size: 1.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .dashboard-card {
        padding: 1rem;
    }
    
    .file-card {
        padding: 1rem;
    }
    
    .printer-card {
        padding: 1rem;
    }
    
    .settings-card {
        padding: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
}

/* Featured Banner */
.featured-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.banner-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.banner-content p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.banner-image {
    flex-shrink: 0;
}

.banner-image img {
    width: 200px;
    height: 120px;
    object-fit: cover;
    border-radius: 0.5rem;
}

/* Model Filters */
.model-filters {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

.model-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.model-card.featured {
    border: 2px solid #fbbf24;
}

.model-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.model-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.model-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.model-badge.featured {
    background: #fbbf24;
    color: #1f2937;
}

.model-badge.new {
    background: #10b981;
    color: white;
}

.model-badge.popular {
    background: #ef4444;
    color: white;
}

.model-badge.custom {
    background: #8b5cf6;
    color: white;
}

.model-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.model-card:hover .model-overlay {
    opacity: 1;
}

.btn-overlay {
    background: white;
    color: #1f2937;
    border: none;
    padding: 1rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.btn-overlay:hover {
    background: #f3f4f6;
    transform: scale(1.1);
}

.model-info {
    padding: 1.5rem;
}

.model-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.model-header h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #f1f5f9;
    margin: 0;
}

.model-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: #64748b;
}

.model-rating i {
    color: #fbbf24;
}

.model-info p {
    color: #cbd5e1;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.model-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.difficulty {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.difficulty.easy {
    background: #d1fae5;
    color: #065f46;
}

.difficulty.medium {
    background: #fef3c7;
    color: #92400e;
}

.difficulty.hard {
    background: #fee2e2;
    color: #991b1b;
}

.print-time {
    font-size: 0.875rem;
    color: #64748b;
}

.model-price {
    margin-bottom: 1rem;
}

.model-price .price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
}

.model-price .original-price {
    font-size: 0.875rem;
    color: #94a3b8;
    text-decoration: line-through;
    margin-left: 0.5rem;
}

.model-actions {
    display: flex;
    gap: 0.5rem;
}

.model-actions .btn-primary,
.model-actions .btn-secondary {
    flex: 1;
    padding: 0.75rem;
    font-size: 0.875rem;
}

/* Product List for Dashboard */
.product-list {
    space-y: 1rem;
}

.product-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.product-item:last-child {
    border-bottom: none;
}

.product-image-small {
    width: 60px;
    height: 60px;
    border-radius: 0.5rem;
    overflow: hidden;
    flex-shrink: 0;
}

.product-image-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-small {
    flex: 1;
}

.product-info-small h4 {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.product-info-small p {
    font-size: 0.875rem;
    color: #64748b;
}

/* Load More Section */
.load-more-section {
    text-align: center;
    margin-top: 2rem;
}

.load-more-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Printer Info */
.printer-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.printer-info i {
    color: #10b981;
}

/* Price Range Input */
.price-range {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-range input {
    flex: 1;
    min-width: 80px;
}

.price-range span {
    color: #94a3b8;
    font-weight: 500;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }

.hidden { display: none; }
.visible { display: block; }

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.message.info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Request Modal Styles */
.request-form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

/* Out of Stock Styles */
.product-image {
    position: relative;
}

.out-of-stock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.out-of-stock-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:disabled {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: #9ca3af;
    cursor: not-allowed;
    opacity: 0.6;
    border: 1px solid #6b7280;
}

.btn-primary:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Color Selection Styles */
.color-selection {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.color-option {
    position: relative;
    width: 100%;
    height: 60px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Make the entire color area clickable */
.color-option input[type="radio"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

.color-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}


.color-option:has(input[type="radio"]:checked) {
    border: 3px solid #3b82f6 !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
}

.color-name {
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    text-align: center;
}

/* Special styling for white option */
.color-option[for="color-white"] .color-name {
    color: #374151;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

/* Special styling for yellow option */
.color-option[for="color-yellow"] .color-name {
    color: #374151;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

.request-product-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    height: fit-content;
}

.request-product-info img {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 0.5rem;
    align-self: center;
}

.request-product-details h3 {
    color: #f1f5f9;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.request-product-price {
    color: #10b981;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.request-product-description {
    color: #cbd5e1;
    line-height: 1.6;
    font-size: 0.875rem;
}

.request-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: #f1f5f9;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 0.5rem;
    background: rgba(30, 41, 59, 0.8);
    color: #f1f5f9;
    font-size: 0.875rem;
    transition: border-color 0.3s ease;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94a3b8;
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.request-summary {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
}

.request-summary h4 {
    color: #f1f5f9;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    color: #cbd5e1;
    font-size: 0.875rem;
}

.summary-row.total {
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    color: #f1f5f9;
    font-size: 1rem;
}

/* Responsive Design for Request Modal */
@media (max-width: 768px) {
    .request-form-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem;
    }
    
    .request-product-info {
        padding: 1rem;
    }
    
    .checkbox-label {
        font-size: 0.8rem;
    }
}

/* Preview Modal Styles */
.preview-modal-content {
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.preview-modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.preview-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.preview-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.preview-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.preview-meta span {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.preview-meta .difficulty.easy {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.2);
}

.preview-description h3,
.preview-specs h3,
.preview-materials h3,
.preview-original h3 {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.preview-description p {
    color: #e2e8f0;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 500;
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.spec-item {
    color: #e2e8f0;
    font-size: 1rem;
    padding: 0.75rem;
    background: rgba(30, 41, 59, 0.8);
    border-radius: 0.375rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
    font-weight: 500;
}

.spec-item strong {
    color: #ffffff;
    font-weight: 700;
}

.materials-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.material-tag {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 1rem;
    font-weight: 600;
    background: rgba(139, 92, 246, 0.2);
    color: #c4b5fd;
    border: 1px solid rgba(139, 92, 246, 0.4);
}

.printables-link {
    color: #93c5fd;
    text-decoration: none;
    font-weight: 600;
}

.printables-link:hover {
    color: #93c5fd;
    text-decoration: underline;
}

.original-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.stat {
    text-align: center;
    padding: 1.25rem;
    background: rgba(30, 41, 59, 0.8);
    border-radius: 0.5rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.stat strong {
    display: block;
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat:not(strong) {
    color: #60a5fa;
    font-size: 1.125rem;
    font-weight: 600;
}

.preview-modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(30, 41, 59, 0.8);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.preview-price .price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #10b981;
}

.preview-price .shipping {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-left: 0.5rem;
}

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

/* Responsive Design for Preview Modal */
@media (max-width: 768px) {
    .preview-modal-content {
        max-width: 95vw;
        margin: 1rem;
    }
    
    .preview-modal-body {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem;
    }
    
    .preview-modal-footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .original-stats {
        grid-template-columns: 1fr;
    }
}

/* Empty State Styles */
.empty-state {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    width: 100%;
    grid-column: 1 / -1;
}

.empty-state-content {
    text-align: center;
    padding: 3rem;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    max-width: 400px;
}

.empty-state-content i {
    font-size: 3rem;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.empty-state-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.empty-state-content p {
    color: #cbd5e1;
    line-height: 1.6;
}

/* Shop Section Styles */
.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.product-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.product-info p {
    color: #cbd5e1;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-price .price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #10b981;
}

.product-price .shipping {
    font-size: 0.875rem;
    color: #94a3b8;
}

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

.product-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: #3b82f6;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-badge.new {
    background: #10b981;
}

.product-badge.bestseller {
    background: #f59e0b;
}