/* CSS Variables for design system */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: rgba(18, 26, 47, 0.6);
    --bg-card: rgba(26, 38, 68, 0.4);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.4);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Harmonious tailwind-like accents */
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.35);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --success-border: rgba(16, 185, 129, 0.3);
    
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --warning-border: rgba(245, 158, 11, 0.3);
    
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --danger-border: rgba(239, 68, 68, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Premium background mesh */
.glass-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(16, 185, 129, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 50% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 40%);
    background-color: #0b0f19;
}

/* App Container Layout */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Header Styles */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--bg-secondary);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    color: var(--accent);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Status Indicator */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
}

.status-indicator .indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: relative;
}

.status-indicator.online .indicator-dot {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-indicator.offline .indicator-dot {
    background-color: var(--danger);
    box-shadow: 0 0 8px var(--danger);
}

/* App Main Grid */
.app-content {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
}

/* Responsive Main Grid */
@media (max-width: 1024px) {
    .app-content {
        grid-template-columns: 1fr;
    }
}

/* Panel Card base styling */
.panel-card {
    background: var(--bg-secondary);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.panel-card.flex-column {
    height: 100%;
}

.panel-title {
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.title-icon {
    color: var(--accent);
}

/* Left panel columns wrapper */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Printers Grid & Cards */
.printer-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 480px;
    overflow-y: auto;
    padding-right: 4px;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Printer Card Item */
.printer-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.printer-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px 0 rgba(99, 102, 241, 0.1);
}

.printer-item.active {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.08);
    box-shadow: 0 0 16px rgba(99, 102, 241, 0.15);
}

.printer-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent);
}

.printer-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.printer-name {
    font-weight: 600;
    font-size: 1rem;
    color: #ffffff;
    max-width: 70%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-default {
    background-color: var(--accent-glow);
    color: #c7d2fe;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Status Badges */
.badge-idle {
    background-color: var(--success-bg);
    color: #a7f3d0;
    border: 1px solid var(--success-border);
}

.badge-printing {
    background-color: rgba(99, 102, 241, 0.2);
    color: #c7d2fe;
    border: 1px solid var(--border-hover);
    animation: pulse 2s infinite;
}

.badge-paused {
    background-color: var(--warning-bg);
    color: #fde68a;
    border: 1px solid var(--warning-border);
}

.printer-subdetails {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pill {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.pill.success {
    color: #34d399;
}

.pill.danger {
    color: #f87171;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 14px 0 var(--accent-glow);
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: 0 6px 20px 0 var(--accent-glow);
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-accent {
    background: transparent;
    border-color: var(--accent);
    color: #ffffff;
}
.btn-accent:hover {
    background: var(--accent-glow);
}

.btn-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: #fcd34d;
}
.btn-warning:hover {
    background: rgba(245, 158, 11, 0.25);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: var(--transition);
}
.btn-close:hover {
    color: var(--danger);
}

.icon-only {
    padding: 10px;
    border-radius: 50%;
}

.full-width {
    width: 100%;
}

/* Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    gap: 12px;
    color: var(--text-secondary);
}

/* Right Panel: Detail and Workspace */
.active-printer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    flex-wrap: wrap;
    gap: 16px;
}

.printer-badge-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

#active-printer-name {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
}

.printer-actions-inline {
    display: flex;
    gap: 8px;
}

/* Empty states placeholders */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    text-align: center;
    color: var(--text-secondary);
    gap: 16px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
}

.empty-icon {
    color: var(--text-muted);
}

/* Tabs */
.tab-container {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
}

.tab-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 10px 16px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.tab-button:hover {
    color: #ffffff;
}

.tab-button.active {
    color: var(--accent);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    box-shadow: 0 -2px 10px var(--accent);
}

.tab-content {
    display: none;
}

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

/* Dropzone styling */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.03);
}

.drop-icon {
    color: var(--text-muted);
    transition: var(--transition);
}

.drop-zone:hover .drop-icon, .drop-zone.dragover .drop-icon {
    color: var(--accent);
    transform: translateY(-4px);
}

.drop-title {
    font-weight: 500;
    color: #ffffff;
}

.drop-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hidden-input {
    display: none;
}

/* File info card */
.file-info-container {
    margin-top: 10px;
}

.file-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.file-type-icon {
    color: var(--accent);
}

.file-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
}

.file-name {
    font-weight: 500;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Notepad Editor */
.text-editor-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    font-family: var(--font-sans);
    color: #ffffff;
    font-size: 0.95rem;
    resize: vertical;
    outline: none;
    transition: var(--transition);
}

textarea:focus {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
}

.notepad-controls {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.01);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

/* Form inputs & options */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.inline-group {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group.checkbox-group {
    user-select: none;
}

.form-group.checkbox-group input {
    cursor: pointer;
}

input[type="number"] {
    width: 60px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: #ffffff;
    padding: 4px 6px;
    outline: none;
    font-family: var(--font-sans);
}

/* Options Selector styling */
.options-container {
    margin-top: 10px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.section-subtitle {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 14px;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

select {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: #ffffff;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    outline: none;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
}

select:focus {
    border-color: var(--accent);
}

select option {
    background-color: var(--bg-primary);
    color: #ffffff;
}

/* Action Footer */
.action-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.btn-large {
    padding: 12px 28px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

.glow-btn {
    position: relative;
}

.glow-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    box-shadow: 0 0 16px var(--accent);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.glow-btn:hover:not(:disabled)::after {
    opacity: 0.5;
}

/* Queue Log section */
.queue-section {
    width: 100%;
}

.queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 14px;
    flex-wrap: wrap;
    gap: 16px;
}

.queue-tabs {
    display: flex;
    gap: 6px;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.queue-tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 6px 14px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.queue-tab-btn:hover {
    color: #ffffff;
}

.queue-tab-btn.active {
    background: var(--bg-card);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.queue-tables-container {
    position: relative;
}

.queue-panel {
    display: none;
}

.queue-panel.active {
    display: block;
}

/* Tables styling */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-secondary);
}

.data-table tbody tr:hover td {
    background: rgba(255,255,255,0.01);
    color: #ffffff;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.table-empty {
    text-align: center;
    padding: 32px !important;
    color: var(--text-muted);
    font-style: italic;
}

/* Toasts */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.toast {
    background: rgba(18, 25, 47, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 14px 20px;
    min-width: 300px;
    max-width: 450px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transition: var(--transition);
}

.toast-icon {
    flex-shrink: 0;
}

.toast-content {
    flex-grow: 1;
    font-size: 0.9rem;
    font-weight: 500;
    color: #ffffff;
}

.toast-success {
    border-color: var(--success-border);
    border-left: 4px solid var(--success);
}
.toast-success .toast-icon {
    color: var(--success);
}

.toast-warning {
    border-color: var(--warning-border);
    border-left: 4px solid var(--warning);
}
.toast-warning .toast-icon {
    color: var(--warning);
}

.toast-danger {
    border-color: var(--danger-border);
    border-left: 4px solid var(--danger);
}
.toast-danger .toast-icon {
    color: var(--danger);
}

/* Keyframes animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

/* Button Danger */
.btn-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: #fca5a5;
}
.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

/* Login Layout Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-secondary);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.login-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.login-logo-icon {
    color: var(--accent);
    filter: drop-shadow(0 0 12px var(--accent-glow));
    margin-bottom: 4px;
}

.login-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Input Fields styling */
.login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.login-form label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    transition: var(--transition);
    pointer-events: none;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 16px 12px 42px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.03);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.login-form input[type="text"]:focus ~ .input-icon,
.login-form input[type="password"]:focus ~ .input-icon {
    color: var(--accent);
}

/* Error message design */
.login-error-message {
    padding: 10px 14px;
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: #fca5a5;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-align: center;
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

/* Logo Styling */
.login-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    margin-bottom: 4px;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.header-logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 6px var(--accent-glow));
}

/* Navigation Menu Styling */
.header-nav {
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 4px;
    border-radius: var(--radius-md);
}

.nav-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.nav-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.02);
}

.nav-btn.active {
    color: #ffffff;
    background: var(--accent);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.nav-icon {
    transition: var(--transition);
}

.nav-btn.active .nav-icon {
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.6));
}

/* View Containers toggle */
.view-container {
    display: none;
    width: 100%;
}

.view-container.active {
    display: block;
}

/* Scanner Animation Container */
.scan-anim-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    width: 100%;
}

.scanner-device-mockup {
    width: 280px;
    height: 180px;
    background: #1e293b;
    border: 8px solid #0f172a;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 
                0 0 0 1px var(--border-color),
                inset 0 2px 4px rgba(255, 255, 255, 0.1);
}

.scan-glass {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: #020617;
    border: 2px solid #334155;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.8);
}

.scan-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(180deg, rgba(16, 185, 129, 0) 0%, #10b981 50%, rgba(16, 185, 129, 0) 100%);
    box-shadow: 0 0 12px 2px #10b981, 0 0 25px 6px rgba(16, 185, 129, 0.4);
    animation: scanMove 2.5s ease-in-out infinite;
}

.scan-loading-text {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    animation: pulse 1.5s ease-in-out infinite;
    text-align: center;
}

@keyframes scanMove {
    0%, 100% {
        top: 0%;
    }
    50% {
        top: 96%;
    }
}

/* Scanner results and visualizer */
.scan-result-container {
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.preview-frame iframe {
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: var(--radius-sm);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }
}