/* style.css - Computer Lab Inventory System */
/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #7c8de0;
    --secondary: #764ba2;
    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;
    --info: #2196f3;
    --light: #f8f9fa;
    --dark: #343a40;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 0.75rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo i {
    font-size: 2rem;
    margin-right: 0.5rem;
}

/* Navigation */
.nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav li {
    margin: 0 0.5rem;
}

.nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
}

.nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.nav a i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

/* User Info */
.user-info {
    position: relative;
}

.user-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.user-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.user-toggle i:first-child {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

.user-toggle i:last-child {
    margin-left: 0.5rem;
    font-size: 0.8rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 200px;
    z-index: 1000;
    display: none;
    margin-top: 0.5rem;
    overflow: hidden;
}

.dropdown-menu.active {
    display: block;
}

.user-details {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-light);
}

.user-details strong {
    display: block;
    color: var(--dark);
}

.user-details span {
    font-size: 0.8rem;
    color: var(--gray);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background-color: var(--gray-light);
}

.dropdown-menu a i {
    margin-right: 0.5rem;
    color: var(--primary);
    width: 1rem;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--gray-light);
    margin: 0.25rem 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 1.5rem 0;
}

/* Notifications */
.notification {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    color: white;
}

.notification.success {
    background-color: var(--success);
}

.notification.error {
    background-color: var(--danger);
}

.notification.warning {
    background-color: var(--warning);
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    margin-left: 1rem;
}

/* Footer */
.footer {
    background-color: var(--light);
    padding: 1rem 0;
    text-align: center;
    border-top: 1px solid var(--gray-light);
    color: var(--gray);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.version {
    font-size: 0.8rem;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.login-container {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 400px;
}

.login-container h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

button {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

button:hover {
    background-color: var(--primary-dark);
}

button i {
    margin-right: 0.5rem;
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-success {
    background-color: var(--success);
}

.btn-success:hover {
    background-color: #3d8b40;
}

.btn-danger {
    background-color: var(--danger);
}

.btn-danger:hover {
    background-color: #d32f2f;
}

.btn-warning {
    background-color: var(--warning);
}

.btn-warning:hover {
    background-color: #e68a00;
}

.btn-info {
    background-color: var(--info);
}

.btn-info:hover {
    background-color: #0b7dda;
}

/* Dashboard */
.dashboard {
    padding: 2rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

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

.stat-card h3 {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.chart-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.chart-card h3 {
    margin-bottom: 1rem;
    color: var(--dark);
}

.chart {
    height: 300px;
}

/* Asset Management */
.assets-management,
.user-management,
.reporting,
.scanner-page,
.profile-page {
    padding: 2rem 0;
}

.asset-form,
.user-form,
.report-filters,
.scanner-container,
.profile-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.assets-list,
.users-list,
.report-results {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow-x: auto;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-light);
}

table th {
    background-color: var(--light);
    font-weight: 600;
    color: var(--dark);
}

table tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* Status Badges */
.status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
}

.status-available {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.status-in_use {
    background-color: #e3f2fd;
    color: #1565c0;
}

.status-maintenance {
    background-color: #fff3e0;
    color: #ef6c00;
}

.status-retired {
    background-color: #ffebee;
    color: #c62828;
}

/* Actions */
.actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-edit,
.btn-delete,
.btn-reset,
.btn-print,
.btn-generate,
.btn-export {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.btn-edit {
    background-color: var(--info);
    color: white;
}

.btn-edit:hover {
    background-color: #0b7dda;
}

.btn-delete {
    background-color: var(--danger);
    color: white;
}

.btn-delete:hover {
    background-color: #d32f2f;
}

.btn-reset {
    background-color: var(--warning);
    color: white;
}

.btn-reset:hover {
    background-color: #e68a00;
}

.btn-print {
    background-color: #607d8b;
    color: white;
}

.btn-print:hover {
    background-color: #455a64;
}

.btn-generate {
    background-color: #ff9800;
    color: white;
}

.btn-generate:hover {
    background-color: #f57c00;
}

.btn-export {
    background-color: var(--info);
    color: white;
}

.btn-export:hover {
    background-color: #0b7dda;
}

/* Barcode and QR code styles */
.barcode-img {
    max-width: 150px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.qr-code-img {
    width: 80px;
    height: 80px;
    display: block;
    margin: 0 auto;
}

.barcode-value {
    text-align: center;
    font-family: monospace;
    margin-top: 5px;
    font-size: 12px;
    color: var(--gray);
}

.no-code {
    color: var(--gray);
    font-style: italic;
    text-align: center;
}




/* Scanner page styles */
.scanner-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.camera-scanner,
.manual-entry {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.scan-results {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.asset-card {
    border: 1px solid var(--gray-light);
    padding: 15px;
    border-radius: var(--border-radius);
}

.error-message {
    color: var(--danger);
    padding: 10px;
    background-color: #ffebee;
    border-radius: var(--border-radius);
}

/* Profile page */
.profile-page {
    max-width: 600px;
    margin: 0 auto;
}

.profile-header {
    display: flex;
    align-items: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.profile-avatar i {
    font-size: 4rem;
    margin-right: 1.5rem;
}

.profile-info h2 {
    margin: 0 0 0.5rem 0;
}

.profile-info p {
    margin: 0;
    opacity: 0.9;
}

.profile-details {
    padding: 2rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-light);
}

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

.detail-item label {
    font-weight: 600;
    color: var(--dark);
}

.profile-actions {
    padding: 1rem 2rem 2rem;
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--gray-light);
    color: var(--dark);
}

.btn-secondary:hover {
    background-color: #dae0e5;
}

/* Print styles for labels */
@media print {
    body * {
        visibility: hidden;
    }
    .label, .label * {
        visibility: visible;
    }
    .label {
        position: absolute;
        left: 0;
        top: 0;
        width: 3in;
        height: 2in;
    }
}

.label {
    width: 3in;
    height: 2in;
    border: 1px solid #ccc;
    padding: 10px;
    box-sizing: border-box;
    page-break-inside: avoid;
}

.label-header {
    text-align: center;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 16px;
}

.label-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.barcode-container, .qrcode-container {
    margin: 5px 0;
    text-align: center;
}

.barcode-img, .qr-code-img {
    max-width: 100%;
    height: auto;
}

.asset-info {
    text-align: center;
    margin-top: 5px;
    font-size: 12px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
        display: none;
        padding: 1rem 0;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav ul {
        flex-direction: column;
    }
    
    .nav li {
        margin: 0;
    }
    
    .nav a {
        padding: 1rem;
        border-radius: 0;
    }
    
    .footer .container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .scanner-options {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .profile-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .logo span {
        display: none;
    }
    
    .user-toggle span {
        display: none;
    }
    
    .dropdown-menu {
        width: 160px;
        right: -10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .login-container {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .chart-card {
        padding: 1rem;
    }
    
    .chart {
        height: 250px;
    }
    
    .actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

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

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Barcode and QR code styles */
.barcode-svg {
    width: 200px;
    height: 80px;
    display: block;
    margin: 0 auto;
    border: 1px solid #eee;
    padding: 5px;
    background: white;
}

.barcode-svg-small {
    width: 100px;
    height: 40px;
    display: block;
    margin: 0 auto;
    border: 1px solid #eee;
    padding: 2px;
    background: white;
}

.qrcode-container {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    border: 1px solid #eee;
    padding: 5px;
    background: white;
}

.qrcode-container-small {
    width: 50px;
    height: 50px;
    margin: 0 auto;
    border: 1px solid #eee;
    padding: 2px;
    background: white;
}

.qrcode-container img,
.qrcode-container-small img {
    display: block;
    width: 100%;
    height: 100%;
}

.barcode-value {
    text-align: center;
    font-family: monospace;
    margin-top: 5px;
    font-size: 12px;
    color: var(--gray);
}

.barcode-value-small {
    text-align: center;
    font-family: monospace;
    margin-top: 2px;
    font-size: 9px;
    color: var(--gray);
    word-break: break-all;
}

.barcode-preview, .qrcode-preview {
    text-align: center;
}

/* Error handling for barcode generation */
.barcode-svg[data-error]::before {
    content: "Barcode Error";
    display: block;
    text-align: center;
    line-height: 80px;
    color: #999;
    font-size: 12px;
}

.barcode-svg-small[data-error]::before {
    content: "Error";
    display: block;
    text-align: center;
    line-height: 40px;
    color: #999;
    font-size: 9px;
}

.qrcode-container[data-error]::before {
    content: "QR Code Error";
    display: block;
    text-align: center;
    line-height: 120px;
    color: #999;
    font-size: 12px;
}

.qrcode-container-small[data-error]::before {
    content: "Error";
    display: block;
    text-align: center;
    line-height: 50px;
    color: #999;
    font-size: 9px;
}

/* QR code styles */
.qr-code-img {
    width: 120px;
    height: 120px;
    display: block;
    margin: 0 auto;
    border: 1px solid #eee;
    padding: 5px;
    background: white;
}

.qrcode-img-small {
    width: 50px;
    height: 50px;
    display: block;
    margin: 0 auto;
    border: 1px solid #eee;
    padding: 2px;
    background: white;
}

.qrcode-preview {
    text-align: center;
}

/* Loading animation for QR codes */
.qr-code-img[src*="qr_generator.php"] {
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTIwIiBoZWlnaHQ9IjEyMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSIjZjVmNWY1Ii8+PHBhdGggZD0iTTYwIDYwTDMwIDMwTDQ1IDE1TDc1IDQ1TDYwIDYwWiIgZmlsbD0iIzMzMyI+PC9wYXRoPjwvc3ZnPg==') no-repeat center center #f5f5f5;
}

.qrcode-img-small[src*="qr_generator.php"] {
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTAiIGhlaWdodD0iNTAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2Y1ZjVmNSIvPjxwYXRoIGQ9Ik0yNSAyNUwxNSAxNUwyMCAxMEwzMCAyMEwyNSAyNVoiIGZpbGw9IiMzMzMiPjwvcGF0aD48L3N2Zz4=') no-repeat center center #f5f5f5;
}

/* Error states */
.qr-code-img[data-error] {
    background: #ffebee;
    border: 1px solid #f44336;
}

.qr-code-img[data-error]::after {
    content: "QR Code Error";
    display: block;
    text-align: center;
    line-height: 120px;
    color: #f44336;
    font-size: 12px;
}

.qrcode-img-small[data-error]::after {
    content: "Error";
    display: block;
    text-align: center;
    line-height: 50px;
    color: #f44336;
    font-size: 9px;
}