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

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #06b6d4;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    
    /* Shadows */
    --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);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: var(--spacing-6);
}

/* Logo Section */
.logo-section {
    flex-shrink: 0;
    min-width: 200px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: translateY(-1px);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.logo-icon i {
    font-size: 24px;
    color: var(--white);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 11px;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation Styles */
.nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    max-width: 800px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    z-index: 999;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-600);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: var(--radius-sm);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-1);
    margin: 0;
    padding: var(--spacing-1);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    text-decoration: none;
    color: var(--gray-600);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    position: relative;
}

.nav-link:hover {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.nav-link.active {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.nav-link i {
    font-size: 16px;
    width: 16px;
    text-align: center;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex-shrink: 0;
}

.btn-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-action:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

.btn-action i {
    font-size: 16px;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-6) var(--spacing-4);
}

.content-section {
    display: none;
}

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

.section-header {
    margin-bottom: var(--spacing-8);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.section-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.section-header p {
    color: var(--gray-600);
    font-size: var(--font-size-lg);
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
}

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-danger {
    background: #dc3545;
    color: var(--white);
    border: 1px solid #dc3545;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
}

.btn-danger:hover {
    background: #c82333;
    border-color: #bd2130;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    transition: all 0.2s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.stat-card:nth-child(1) .stat-icon { background: var(--primary-color); }
.stat-card:nth-child(2) .stat-icon { background: var(--warning-color); }
.stat-card:nth-child(3) .stat-icon { background: var(--success-color); }
.stat-card:nth-child(4) .stat-icon { background: var(--info-color); }

.stat-content h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--spacing-1);
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* Dashboard Content */
.dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-8);
}

.recent-activities,
.quick-actions {
    background: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.recent-activities h2,
.quick-actions h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.activity-item:hover {
    background: var(--gray-50);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: var(--white);
    flex-shrink: 0;
}

.activity-title {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.activity-desc {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-1);
}

.activity-time {
    color: var(--gray-500);
    font-size: var(--font-size-xs);
}

.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3);
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.action-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-btn i {
    font-size: var(--font-size-xl);
}

.action-btn span {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Content Container */
.content-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

/* Filters */
.filters {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    gap: var(--spacing-6);
    flex-wrap: wrap;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    min-width: 200px;
}

.filter-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.filter-group select,
.filter-group input {
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: border-color 0.2s ease;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

/* Data Table */
.data-table {
    overflow-x: auto;
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

.data-table td {
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.data-table tr:hover {
    background: var(--gray-50);
}

/* Modal */
.modal-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.modal-container.active {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--gray-500);
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-body {
    padding: var(--spacing-6);
}

.modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.form-help {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    font-style: italic;
    line-height: 1.4;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: border-color 0.2s ease;
    font-family: inherit;
}

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

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

/* Form Section Headers */
.form-section-header {
    grid-column: 1 / -1;
    margin: var(--spacing-6) 0 var(--spacing-4) 0;
    padding: var(--spacing-3) 0;
    border-bottom: 2px solid var(--primary-color);
}

.form-section-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.status-draft {
    background: var(--gray-100);
    color: var(--gray-700);
}

.status-under_review {
    background: #fef3c7;
    color: #92400e;
}

.status-approved {
    background: #d1fae5;
    color: #065f46;
}

.status-obsolete {
    background: #fee2e2;
    color: #991b1b;
}

/* Repair Status */
.status-reported {
    background: #dbeafe;
    color: #1e40af;
}

.status-assigned {
    background: #fef3c7;
    color: #92400e;
}

.status-in_progress {
    background: #fef3c7;
    color: #92400e;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

.status-cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* Maintenance Status */
.status-scheduled {
    background: #e0e7ff;
    color: #3730a3;
}

.status-overdue {
    background: #fed7d7;
    color: #c53030;
}

/* Calibration Status */
.status-valid {
    background: #d1fae5;
    color: #065f46;
}

.status-expired {
    background: #fee2e2;
    color: #991b1b;
}

.status-near_expiry {
    background: #fef3c7;
    color: #92400e;
}

.status-suspended {
    background: #f3f4f6;
    color: #6b7280;
}

.status-under_calibration {
    background: #e0e7ff;
    color: #3730a3;
}

/* Audit Status */
.status-planned {
    background: #e0e7ff;
    color: #3730a3;
}

.status-conforming {
    background: #d1fae5;
    color: #065f46;
}

.status-non_conforming {
    background: #fee2e2;
    color: #991b1b;
}

.status-conditional {
    background: #fef3c7;
    color: #92400e;
}

/* Inventory Status */
.status-active {
    background: #d1fae5;
    color: #065f46;
}

.status-inactive {
    background: #f3f4f6;
    color: #6b7280;
}

.status-under_repair {
    background: #fef3c7;
    color: #92400e;
}

.status-disposed {
    background: #fee2e2;
    color: #991b1b;
}

/* Recent Activities Styling */
.no-activities {
    text-align: center;
    padding: var(--spacing-8);
    color: var(--gray-500);
}

.no-activities i {
    font-size: 2rem;
    margin-bottom: var(--spacing-4);
    color: var(--gray-400);
}

.no-activities p {
    margin: var(--spacing-2) 0;
    font-weight: 500;
}

.no-activities small {
    color: var(--gray-400);
}

.activity-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-top: var(--spacing-2);
}

.activity-status {
    font-size: var(--font-size-xs);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-transform: uppercase;
}

/* Empty State Styling */
.empty-state {
    text-align: center;
    padding: var(--spacing-12) var(--spacing-8);
    background: var(--gray-50);
    border: 2px dashed var(--gray-200);
    border-radius: var(--radius-lg);
}

.empty-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    max-width: 400px;
    margin: 0 auto;
}

.empty-content i {
    font-size: 3rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-2);
}

.empty-content h3 {
    margin: 0;
    color: var(--gray-700);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.empty-content p {
    margin: 0;
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.empty-content .btn-primary {
    margin-top: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Clean System Message */
.clean-system-message {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f9ff 100%);
    border: 1px solid #10b981;
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin: var(--spacing-4) 0;
    text-align: center;
}

.clean-system-message i {
    font-size: 2rem;
    color: #10b981;
    margin-bottom: var(--spacing-3);
}

.clean-system-message h3 {
    color: #065f46;
    margin: 0 0 var(--spacing-2) 0;
    font-size: var(--font-size-lg);
}

.clean-system-message p {
    color: #047857;
    margin: 0;
    font-size: var(--font-size-sm);
}

/* Signature Table Styling for Print */
@media print {
    .signature-table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin-top: 60px !important;
        page-break-inside: avoid !important;
    }

    .signature-table td {
        text-align: center !important;
        vertical-align: top !important;
        padding: 30px 15px !important;
        border: none !important;
        font-family: 'Times New Roman', serif !important;
        height: 250px !important;
        min-height: 250px !important;
    }

    .signature-table .signature-title {
        font-weight: bold !important;
        font-size: 14px !important;
        color: #000 !important;
        margin-bottom: 25px !important;
        display: block !important;
    }

    .signature-table .signature-space {
        height: 120px !important;
        margin-bottom: 15px !important;
        display: block !important;
    }

    .signature-table .signature-line {
        border-bottom: 2px solid #000 !important;
        margin: 0 auto 20px auto !important;
        width: 220px !important;
        display: block !important;
    }

    .signature-table .signature-name {
        font-weight: bold !important;
        font-size: 14px !important;
        margin-bottom: 8px !important;
        color: #000 !important;
        display: block !important;
    }

    .signature-table .signature-position {
        font-size: 12px !important;
        margin-bottom: 6px !important;
        color: #000 !important;
        display: block !important;
    }

    .signature-table .signature-nip {
        font-size: 12px !important;
        margin-bottom: 6px !important;
        color: #000 !important;
        display: block !important;
    }

    .signature-table .signature-date {
        font-size: 12px !important;
        color: #000 !important;
        display: block !important;
    }
}

/* Signature Table Styling for Screen */
.signature-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 50px;
}

.signature-table td {
    text-align: center;
    vertical-align: top;
    padding: 30px 15px;
    border: none;
    height: 200px;
}

.signature-title {
    font-weight: bold;
    font-size: 14px;
    color: #333;
    margin-bottom: 25px;
    display: block;
}

.signature-space {
    height: 120px;
    margin-bottom: 15px;
    display: block;
}

.signature-line {
    border-bottom: 2px solid #000;
    margin: 0 auto 20px auto;
    width: 220px;
    display: block;
}

.signature-name {
    font-weight: bold;
    font-size: 14px;
    margin-bottom: 8px;
    color: #000;
    display: block;
}

.signature-position {
    font-size: 12px;
    margin-bottom: 6px;
    color: #333;
    display: block;
}

.signature-nip {
    font-size: 12px;
    margin-bottom: 6px;
    color: #333;
    display: block;
}

.signature-date {
    font-size: 12px;
    color: #333;
    display: block;
}

/* Additional spacing for signature sections */
@media print {
    .content-section:last-of-type {
        margin-bottom: 40px !important;
    }

    .signature-table {
        margin-top: 40px !important;
        margin-bottom: 30px !important;
    }

    .signature-table td {
        min-height: 180px !important;
        vertical-align: top !important;
    }

    /* Force proper spacing in signature elements */
    .signature-table div {
        display: block !important;
        margin: 0 auto !important;
    }

    /* Ensure proper spacing between signature elements */
    .signature-title {
        line-height: 1.4 !important;
        padding-bottom: 10px !important;
    }

    .signature-space {
        min-height: 120px !important;
        border: none !important;
        background: transparent !important;
    }

    .signature-line {
        height: 2px !important;
        background: #000 !important;
        border: none !important;
        margin: 15px auto 25px auto !important;
    }

    .signature-name,
    .signature-position,
    .signature-nip,
    .signature-date {
        line-height: 1.6 !important;
        padding: 2px 0 !important;
    }
}

/* Screen view adjustments */
.signature-table {
    border-spacing: 0;
    table-layout: fixed;
}

.signature-table td {
    position: relative;
    box-sizing: border-box;
}

/* Force signature spacing with important declarations */
@media print {
    .signature-table td > div:nth-child(1) {
        /* Title */
        margin-bottom: 30px !important;
        font-weight: bold !important;
        font-size: 14px !important;
    }

    .signature-table td > div:nth-child(2) {
        /* Space for signature */
        height: 100px !important;
        margin-bottom: 20px !important;
        background: transparent !important;
        border: none !important;
    }

    .signature-table td > div:nth-child(3) {
        /* Signature line */
        border-bottom: 2px solid #000 !important;
        width: 220px !important;
        margin: 0 auto 25px auto !important;
        height: 2px !important;
    }

    .signature-table td > div:nth-child(4) {
        /* Name */
        font-weight: bold !important;
        font-size: 14px !important;
        margin-bottom: 8px !important;
    }

    .signature-table td > div:nth-child(5) {
        /* Position */
        font-size: 12px !important;
        margin-bottom: 6px !important;
    }
}

.status-assigned {
    background: #fef3c7;
    color: #92400e;
}

.status-in-progress {
    background: #fde68a;
    color: #92400e;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

.status-cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* Category Badges */
.category-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.category-electrical {
    background: #fef3c7;
    color: #92400e;
}

.category-mechanical {
    background: #dbeafe;
    color: #1e40af;
}

.category-software {
    background: #e0e7ff;
    color: #3730a3;
}

.category-calibration {
    background: #ecfdf5;
    color: #047857;
}

.category-damage {
    background: #fee2e2;
    color: #991b1b;
}

.category-other {
    background: #f3f4f6;
    color: #374151;
}

/* Urgency Badges */
.urgency-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.urgency-low {
    background: #d1fae5;
    color: #065f46;
}

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

.urgency-high {
    background: #fed7aa;
    color: #9a3412;
}

.urgency-critical {
    background: #fee2e2;
    color: #991b1b;
}

/* Type Badges */
.type-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.type-preventive {
    background: #d1fae5;
    color: #065f46;
}

.type-corrective {
    background: #fef3c7;
    color: #92400e;
}

.type-predictive {
    background: #dbeafe;
    color: #1e40af;
}

.type-routine {
    background: #e0e7ff;
    color: #3730a3;
}

/* Schedule Badges */
.schedule-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.schedule-daily {
    background: #fee2e2;
    color: #991b1b;
}

.schedule-weekly {
    background: #fed7aa;
    color: #9a3412;
}

.schedule-monthly {
    background: #fef3c7;
    color: #92400e;
}

.schedule-quarterly {
    background: #d1fae5;
    color: #065f46;
}

.schedule-semi_annual {
    background: #dbeafe;
    color: #1e40af;
}

.schedule-annual {
    background: #e0e7ff;
    color: #3730a3;
}

.status-scheduled {
    background: #dbeafe;
    color: #1e40af;
}

.status-overdue {
    background: #fee2e2;
    color: #991b1b;
}

.status-valid {
    background: #d1fae5;
    color: #065f46;
}

.status-expired {
    background: #fee2e2;
    color: #991b1b;
}

.status-near-expiry {
    background: #fef3c7;
    color: #92400e;
}

/* Result Badges */
.result-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.result-pass {
    background: #d1fae5;
    color: #065f46;
}

.result-fail {
    background: #fee2e2;
    color: #991b1b;
}

.result-limited_use {
    background: #fef3c7;
    color: #92400e;
}

/* Settings Styles */
.settings-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.settings-tabs {
    display: flex;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.settings-tab {
    flex: 1;
    padding: var(--spacing-4) var(--spacing-6);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
}

.settings-tab:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.settings-tab.active {
    background: var(--white);
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.settings-content {
    position: relative;
}

.settings-panel {
    display: none;
    padding: var(--spacing-6);
}

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

.settings-section {
    margin-bottom: var(--spacing-8);
}

.settings-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.settings-section p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
}

.settings-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.settings-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.settings-form .form-group.full-width {
    grid-column: 1 / -1;
}

.settings-form label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

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

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-start;
    margin-top: var(--spacing-4);
}

/* Settings Preview */
.settings-preview {
    margin-top: var(--spacing-6);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.settings-preview h4 {
    margin-bottom: var(--spacing-4);
    color: var(--gray-700);
    font-size: var(--font-size-lg);
}

.preview-box {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
}

.preview-letterhead {
    text-align: center;
    border-bottom: 3px double var(--gray-400);
    padding-bottom: var(--spacing-3);
}

.preview-letterhead h1 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-900);
}

.preview-letterhead h2 {
    margin: var(--spacing-1) 0;
    font-size: var(--font-size-base);
    font-weight: normal;
    color: var(--gray-700);
}

.preview-address {
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-2);
    color: var(--gray-600);
}

/* Data Actions */
.data-actions {
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--white);
    border: none;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
}

.btn-warning:hover {
    background: #d97706;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* App Info */
.app-info {
    background: var(--gray-50);
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.app-info p {
    margin: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.app-info strong {
    color: var(--gray-900);
}

.changelog-section {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.changelog-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.changelog-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.changelog-hint {
    display: block;
    color: var(--gray-500);
    font-size: var(--font-size-xs);
    font-style: italic;
}

/* Changelog Modal Styles */
.changelog-content {
    max-height: 70vh;
    overflow-y: auto;
    padding: var(--spacing-2);
}

.changelog-header {
    text-align: center;
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-3);
    border-bottom: 2px solid var(--primary-color);
}

.changelog-header h3 {
    margin: 0 0 var(--spacing-2) 0;
    color: var(--primary-color);
    font-size: var(--font-size-xl);
}

.changelog-header p {
    margin: 0;
    color: var(--gray-600);
    font-style: italic;
}

.changelog-timeline {
    position: relative;
}

.changelog-version {
    margin-bottom: var(--spacing-6);
    padding-left: var(--spacing-4);
    border-left: 3px solid var(--gray-200);
    position: relative;
}

.changelog-version::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 8px;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--white);
}

.version-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.version-header h4 {
    margin: 0;
    color: var(--gray-900);
    font-size: var(--font-size-lg);
}

.version-badge {
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.version-badge.current {
    background: var(--success-color);
    color: var(--white);
}

.version-badge.initial {
    background: var(--primary-color);
    color: var(--white);
}

.version-content h5 {
    margin: var(--spacing-3) 0 var(--spacing-2) 0;
    color: var(--gray-800);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.version-content ul {
    margin: 0 0 var(--spacing-3) 0;
    padding-left: var(--spacing-4);
}

.version-content li {
    margin-bottom: var(--spacing-1);
    color: var(--gray-700);
    line-height: 1.5;
}

.version-content li strong {
    color: var(--gray-900);
}

.version-content ul ul {
    margin-top: var(--spacing-1);
    margin-bottom: var(--spacing-1);
}

.changelog-footer {
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-4);
    border-top: 2px solid var(--gray-200);
    text-align: center;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
}

.changelog-footer p {
    margin: var(--spacing-1) 0;
    color: var(--gray-700);
    font-weight: 500;
}

/* Footer Styles */
.app-footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-4) 0;
    margin-top: var(--spacing-8);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left,
.footer-right {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.footer-right {
    font-weight: 500;
    color: var(--primary-color);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-2);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--gray-100);
    color: var(--gray-600);
}

.btn-icon:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-icon.btn-danger {
    color: #dc3545;
}

.btn-icon.btn-danger:hover {
    background: #dc3545;
    color: var(--white);
}

/* Notifications */
.notification {
    position: fixed;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    max-width: 400px;
    z-index: 3000;
    animation: slideIn 0.3s ease;
}

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

.notification-error {
    border-left-color: var(--error-color);
}

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

.notification-info {
    border-left-color: var(--info-color);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.notification-content i {
    font-size: var(--font-size-lg);
}

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

.notification-error .notification-content i {
    color: var(--error-color);
}

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

.notification-info .notification-content i {
    color: var(--info-color);
}

.notification-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-500);
    padding: var(--spacing-1);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.notification-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

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

/* Document View Styles */
.document-view {
    max-width: 100%;
}

.document-header {
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.document-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

.document-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-3);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.meta-item strong {
    color: var(--gray-600);
    min-width: 100px;
}

.document-content .content-section {
    margin-bottom: var(--spacing-6);
}

.document-content .content-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-3);
    padding-bottom: var(--spacing-2);
    border-bottom: 2px solid var(--primary-color);
}

.document-content .content-section p {
    color: var(--gray-700);
    line-height: 1.6;
    text-align: justify;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-link span {
        display: none;
    }

    .nav-link {
        padding: var(--spacing-2);
        min-width: 40px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 var(--spacing-3);
        height: 60px;
    }

    .logo-section {
        min-width: 150px;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-icon i {
        font-size: 20px;
    }

    .logo-title {
        font-size: 20px;
    }

    .logo-subtitle {
        font-size: 10px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-4);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        z-index: 999;
        border-radius: 0;
        background: var(--white);
    }

    .nav-list.active {
        display: flex;
    }

    .nav-link {
        padding: var(--spacing-3) var(--spacing-4);
        justify-content: flex-start;
        width: 100%;
        border-radius: var(--radius-md);
        margin-bottom: var(--spacing-1);
    }

    .nav-link span {
        display: inline;
    }

    .header-actions {
        gap: var(--spacing-1);
    }

    .btn-action {
        width: 36px;
        height: 36px;
    }

    .btn-action i {
        font-size: 14px;
    }

    .dashboard-content {
        grid-template-columns: 1fr;
    }

    .action-grid {
        grid-template-columns: 1fr;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        min-width: auto;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .notification {
        left: var(--spacing-4);
        right: var(--spacing-4);
        max-width: none;
    }

    .settings-tabs {
        flex-direction: column;
    }

    .settings-tab {
        justify-content: flex-start;
        padding: var(--spacing-3) var(--spacing-4);
    }

    .settings-form {
        grid-template-columns: 1fr;
    }

    .data-actions {
        flex-direction: column;
    }

    .form-actions {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }
}