/* FUTURE AUTOMOTIVE - ISO 9001/45001 Universal Theme */
/* Complete Corporate Design System for Quality & Safety Management */

:root {
    /* ISO 9001/45001 Corporate Color Palette */
    --primary: #1a365d;           /* Navy Blue - Trust & Professional */
    --primary-dark: #1a202c;      /* Darker Navy */
    --primary-light: #2b6cb0;     /* Light Navy */
    --secondary: #2d3748;         /* Anthracite Gray - Serious & Corporate */
    --accent: #22543d;           /* Forest Green - Success & Growth */
    
    /* Status Colors - Professional & Clear */
    --success: #22543d;           /* Forest Green */
    --success-light: #38a169;     /* Light Forest Green */
    --warning: #744210;           /* Amber Brown - Professional Warning */
    --warning-light: #d69e2e;     /* Light Amber */
    --danger: #742a2a;            /* Burgundy Red - Professional Alert */
    --danger-light: #e53e3e;      /* Light Burgundy */
    --info: #2c5282;              /* Steel Blue - Information */
    --info-light: #3182ce;        /* Light Steel Blue */
    
    /* ISO 45001 Safety Colors */
    --safety: #d97706;           /* Safety Orange */
    --safety-light: #fbbf24;      /* Light Safety Orange */
    --risk-high: #dc2626;         /* High Risk Red */
    --risk-medium: #f59e0b;       /* Medium Risk Amber */
    --risk-low: #10b981;          /* Low Risk Green */
    
    /* Neutral Colors - Clean Corporate Hierarchy */
    --bg-primary: #ffffff;        /* Pure White */
    --bg-secondary: #f7fafc;      /* Very Light Gray */
    --bg-tertiary: #edf2f7;       /* Light Gray */
    --bg-quaternary: #e2e8f0;     /* Medium Light Gray */
    --text-primary: #1a202c;     /* Very Dark Gray - Maximum Contrast */
    --text-secondary: #2d3748;    /* Dark Gray */
    --text-tertiary: #4a5568;     /* Medium Gray */
    --text-muted: #718096;        /* Muted Gray */
    --text-light: #a0aec0;        /* Light Gray */
    --text-on-primary: #ffffff;   /* High-contrast text over brand surfaces */
    --text-on-primary-muted: rgba(255, 255, 255, 0.82); /* Subdued */
    --border-primary: #e2e8f0;    /* Clear Border */
    --border-secondary: #cbd5e0;  /* Medium Border */
    --border-light: #f7fafc;      /* Light Border */
    
    /* Typography - Professional & Readable */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    
    /* Font Sizes - Clear Hierarchy */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Spacing - Consistent System */
    --space-1: 0.25rem;     /* 4px */
    --space-2: 0.5rem;      /* 8px */
    --space-3: 0.75rem;     /* 12px */
    --space-4: 1rem;        /* 16px */
    --space-5: 1.25rem;     /* 20px */
    --space-6: 1.5rem;      /* 24px */
    --space-8: 2rem;        /* 32px */
    --space-10: 2.5rem;     /* 40px */
    --space-12: 3rem;       /* 48px */
    --space-16: 4rem;       /* 64px */
    --space-20: 5rem;       /* 80px */
    
    /* Border Radius - Professional */
    --radius: 0.375rem;     /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadows - Subtle & Professional */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions - Smooth & Professional */
    --transition-fast: 0.15s ease;
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Z-Index - Professional Layering */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Base Styles - Universal */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Universal Layout System */
.main-content {
    margin-left: 260px;
    padding: var(--space-8);
    min-height: 100vh;
    transition: margin-left var(--transition);
}

.sidebar-collapsed .main-content {
    margin-left: 70px;
}

/* Universal Card System */
.iso-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    transition: transform var(--transition), box-shadow var(--transition);
}

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

/* Universal Statistics Grid */
.iso-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-value {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-sm);
    opacity: 0.9;
}

/* Universal Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(26, 54, 93, 0.25);
}

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

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

.btn-outline-primary {
    color: var(--primary);
    background-color: transparent;
    border-color: var(--primary);
}

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

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

.btn-success:hover {
    color: white;
    background-color: #1a5c3a;
    border-color: #1a5c3a;
    transform: translateY(-1px);
}

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

.btn-outline-success:hover {
    color: white;
    background-color: var(--success);
    border-color: var(--success);
}

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

.btn-warning:hover {
    color: white;
    background-color: #5d3410;
    border-color: #5d3410;
    transform: translateY(-1px);
}

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

.btn-outline-warning:hover {
    color: white;
    background-color: var(--warning);
    border-color: var(--warning);
}

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

.btn-danger:hover {
    color: white;
    background-color: #5c1f1f;
    border-color: #5c1f1f;
    transform: translateY(-1px);
}

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

.btn-outline-danger:hover {
    color: white;
    background-color: var(--danger);
    border-color: var(--danger);
}

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

.btn-info:hover {
    color: white;
    background-color: #1e3f5f;
    border-color: #1e3f5f;
    transform: translateY(-1px);
}

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

.btn-outline-info:hover {
    color: white;
    background-color: var(--info);
    border-color: var(--info);
}

/* Safety Colors (ISO 45001) */
.btn-safety {
    color: white;
    background-color: var(--safety);
    border-color: var(--safety);
}

.btn-safety:hover {
    color: white;
    background-color: #b45309;
    border-color: #b45309;
    transform: translateY(-1px);
}

.btn-outline-safety {
    color: var(--safety);
    background-color: transparent;
    border-color: var(--safety);
}

.btn-outline-safety:hover {
    color: white;
    background-color: var(--safety);
    border-color: var(--safety);
}

/* Universal Form System */
.form-control, .form-select {
    display: block;
    width: 100%;
    padding: var(--space-3);
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(26, 54, 93, 0.25);
    outline: 0;
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

/* Universal Sidebar Navigation */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    background-color: var(--primary-dark);
    color: var(--text-on-primary);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    z-index: var(--z-fixed);
    overflow-y: auto;
    transition: transform var(--transition), width var(--transition);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    background-color: var(--primary);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-on-primary);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
}

.sidebar-brand i {
    font-size: 1.15rem;
}

.sidebar-brand:hover {
    color: var(--text-on-primary-muted);
    text-decoration: none;
}

.sidebar-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: var(--text-on-primary);
    border-radius: var(--radius);
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-on-primary);
}

.sidebar-nav {
    padding: var(--space-4) 0;
    margin: 0;
    list-style: none;
    flex: 1;
}

.sidebar-nav .sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-nav .nav-item {
    list-style: none;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    color: var(--text-on-primary-muted);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    font-weight: var(--font-medium);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.sidebar-nav .nav-link:hover {
    color: var(--text-on-primary);
    background-color: rgba(255, 255, 255, 0.08);
    border-left-color: var(--primary-light);
    text-decoration: none;
}

.sidebar-nav .nav-link.active {
    color: var(--text-on-primary);
    background-color: var(--primary);
    border-left-color: var(--info-light);
    font-weight: var(--font-semibold);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
}

.sidebar-nav .nav-link span {
    flex: 1;
}

.sidebar-nav .collapse .nav-link {
    padding-left: var(--space-10);
    font-size: var(--text-sm);
}

.sidebar .nav-divider {
    height: 1px;
    margin: var(--space-3) var(--space-6);
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
}

.sidebar-footer {
    padding: var(--space-5) var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(0, 0, 0, 0.1);
}

.sidebar-footer .user-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.sidebar-footer .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-primary);
    font-size: 1rem;
}

.sidebar-footer .user-details {
    display: flex;
    flex-direction: column;
    color: var(--text-on-primary);
    font-size: var(--text-sm);
}

.sidebar-footer .user-name {
    font-weight: var(--font-semibold);
}

.sidebar-footer .user-role {
    color: var(--text-on-primary-muted);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-actions {
    display: flex;
    gap: var(--space-3);
}

.sidebar-actions .btn {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-on-primary);
    background-color: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.sidebar-actions .btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.sidebar-collapsed .sidebar {
    width: 72px;
}

.sidebar-collapsed .sidebar .sidebar-brand span,
.sidebar-collapsed .sidebar .nav-link span,
.sidebar-collapsed .sidebar .sidebar-footer {
    display: none;
}

.sidebar-collapsed .sidebar .nav-link {
    justify-content: center;
    border-left: none;
}

.sidebar-collapsed .sidebar .nav-link i {
    margin-right: 0;
}

/* Universal Table System */
.table {
    width: 100%;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-3);
    vertical-align: top;
    border-top: 1px solid var(--border-primary);
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid var(--border-primary);
    border-top: 0;
    font-weight: var(--font-semibold);
    background-color: var(--bg-secondary);
}

.table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* Universal Alert System */
.alert {
    position: relative;
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius);
}

.alert-primary {
    color: var(--text-primary);
    background-color: #e3f2fd;
    border-color: #bbdefb;
}

.alert-success {
    color: white;
    background-color: var(--success);
    border-color: var(--success);
}

.alert-warning {
    color: white;
    background-color: var(--warning);
    border-color: var(--warning);
}

.alert-danger {
    color: white;
    background-color: var(--danger);
    border-color: var(--danger);
}

.alert-info {
    color: white;
    background-color: var(--info);
    border-color: var(--info);
}

/* Universal Badge System */
.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius);
}

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-safety { background-color: var(--safety) !important; }

/* Universal Responsive Design */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding: var(--space-4);
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .iso-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: var(--space-4);
        font-size: var(--text-base);
    }
}

/* Sidebar Collapse Styles */
.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed .sidebar-brand span,
.sidebar.collapsed .nav-link span,
.sidebar.collapsed .sidebar-footer {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding-left: var(--space-3);
    padding-right: var(--space-3);
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: var(--space-4);
}

.sidebar.collapsed .sidebar-toggle {
    position: absolute;
    right: -15px;
    top: 20px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

/* Universal Print Styles */
@media print {
    .sidebar,
    .btn,
    .alert {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .iso-card {
        border: 1px solid var(--border-primary) !important;
        box-shadow: none !important;
        break-inside: avoid;
    }
}

/* Universal Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus Management */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-primary: #000000;
        --text-primary: #000000;
        --bg-primary: #ffffff;
    }
}