/* 
  Theme: Professional & Elegant Office
  Description: A clean, minimalist, and professional theme with a muted color palette.
*/

/* === Google Fonts (Kept from previous version) === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* === Light Mode Color Palette === */
:root {
    --primary-color: #475569;       /* Slate Gray 600 */
    --primary-hover: #334155;       /* Slate Gray 700 */
    --bg-color: #f8f9fa;            
    --surface-color: #ffffff;       
    --border-color: #dee2e6;        
    --text-primary: #212529;        
    --text-secondary: #6c757d;      
    --text-on-primary: #ffffff;     
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 8px;
    --transition: 0.2s ease-in-out;
}

/* === Dark Mode Color Palette === */
body.dark-mode {
    --primary-color: #94a3b8;       /* Slate Gray 400 */
    --primary-hover: #cbd5e1;       /* Slate Gray 300 */
    --bg-color: #111827;            
    --surface-color: #1f2937;       
    --border-color: #374151;        
    --text-primary: #f9fafb;        
    --text-secondary: #9ca3af;      
    --text-on-primary: #020617;     /* Dark text for light buttons in dark mode */
}

/* === Base & Typography === */
body, html {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh; /* Ensure body covers full viewport */
}

h1, h2, h3, h4, h5 {
    color: var(--text-primary);
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

/* === Navigation === */
nav, .navbar {
    background-color: #111111 !important;
    color: #fff !important;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1020;
    transition: box-shadow 0.2s;
}
.navbar.scrolled {
    box-shadow: var(--shadow-md);
}
nav a, .navbar a {
    color: #fff !important;
    text-decoration: none;
    font-weight: 500;
    margin-right: 20px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: color var(--transition), background-color var(--transition);
}
nav a.active, .navbar a.active {
    background-color: #222 !important;
    color: #fff !important;
    font-weight: 600;
}
nav a:hover, .navbar a:hover, .navbar-brand:hover {
    color: #e5e5e5 !important;
}
nav a.active:hover, .navbar a.active:hover {
    color: #fff !important;
    background-color: #333 !important;
}
.navbar-brand {
    font-weight: 600;
    color: #fff !important;
}

/* === Layout & Cards === */
.card, .container, .main, .content {
    background-color: var(--surface-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 24px;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
    color: var(--text-primary);
}
/* Remove excessive hover effects */
.card:hover, .container:hover {
    box-shadow: var(--shadow-md);
    transform: none;
}
.card::before {
    display: none; /* Remove top border line from old design */
}
.card input, .card select, .card textarea, .card .table {
    color: var(--text-primary);
    background-color: var(--surface-color);
}

/* === Tables (Refined for Professional Look) === */
.table-responsive {
    border: none; /* Let the card handle the border */
}
.table {
    background-color: var(--surface-color);
    width: 100%;
    border-collapse: collapse;
}
.table th, .table td {
    padding: 1rem 1.5rem; /* More spacious padding */
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: middle;
}
.table th {
    background-color: var(--bg-color); /* Subtle header background */
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.table tr:last-child td {
    border-bottom: none;
}
.table tr:hover {
    background-color: var(--bg-color);
    transition: background-color var(--transition);
}
body.dark-mode .table th {
    background-color: #374151;
    color: var(--text-secondary);
}
body.dark-mode .table td {
    background-color: var(--surface-color); /* Ensure td has correct background */
    color: var(--text-primary); /* FIX: Ensure text is light in dark mode */
}
body.dark-mode .table tr:hover td {
    background-color: var(--bg-color);
}

/* === Buttons === */
.btn, button, input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    margin: 4px;
}
.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
    border-color: var(--primary-color);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}
.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--bg-color);
    border-color: #ced4da;
}
.btn:active, button:active, input[type="submit"]:active {
    transform: scale(0.98);
    box-shadow: none;
}

/* === Forms === */
.form-label, label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 6px;
    display: block;
}
input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], select, textarea {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    background-color: var(--surface-color);
    color: var(--text-primary);
    box-shadow: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
    outline: none;
}

/* === Alerts & Statuses === */
.alert, .info { background: #e9ecef; color: #495057; border: 1px solid #ced4da; padding: 12px; border-radius: var(--radius); }
.alert-danger, .error { background: #f8d7da; color: #721c24; border-color: #f5c6cb; }
.alert-success, .success { background: #d4edda; color: #155724; border-color: #c3e6cb; }
body.dark-mode .alert, body.dark-mode .info { background: #374151; color: #d1d5db; border-color: #4b5563; }
body.dark-mode .alert-danger, body.dark-mode .error { background: #582121; color: #f8d7da; border-color: #a7444f; }
body.dark-mode .alert-success, body.dark-mode .success { background: #164e3b; color: #d1fae5; border-color: #278d6b; }

/* === Pagination === */
.pagination .page-link {
    color: #fff;
    background-color: #212529;
    border-color: #212529;
    border-radius: var(--radius) !important;
    margin: 0 2px;
    font-weight: 500;
}
.pagination .page-item.active .page-link {
    background-color: #000;
    color: #fff;
    border-color: #000;
}
.pagination .page-link:hover {
    background-color: #495057;
    border-color: #495057;
    color: #fff;
}

/* === Responsive === */
@media (max-width: 768px) {
    .container, .card, .main, .content {
        padding: 16px;
        margin-bottom: 16px;
    }
    nav, .navbar { padding: 12px 16px; }
    .btn, button, input[type="submit"] { width: 100%; padding: 12px 0; }
}

/* === Loading Spinner (Adapted to new theme) === */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    }
.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #e9ecef;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    }
body.dark-mode .loading-overlay {
    background: rgba(17, 24, 39, 0.7);
    }
body.dark-mode .loading-spinner {
    border-color: #374151;
    border-top-color: var(--primary-color);
    }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* === Toast Notifications (Adapted to new theme) === */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    background: var(--surface-color);
    color: var(--text-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 16px;
    z-index: 10000;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s, transform 0.3s;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { border-left: 4px solid #155724; background: #d4edda; color: #155724; }
.toast.error { border-left: 4px solid #721c24; background: #f8d7da; color: #721c24; }
.toast.info { border-left: 4px solid var(--primary-color); }
body.dark-mode .toast.success { border-left-color: #278d6b; background: #164e3b; color: #d1fae5; }
body.dark-mode .toast.error { border-left-color: #a7444f; background: #582121; color: #f8d7da; }
body.dark-mode .toast.info { border-left-color: var(--primary-color); }

/* === Dark Mode Toggle Button (Adapted to new theme) === */
.dark-mode-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--surface-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    transition: all var(--transition);
}
.dark-mode-toggle:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-logout {
    background-color: #dc2626 !important; /* Tailwind Red-600 */
    color: #fff !important;
    border: 1px solid #dc2626 !important;
    font-weight: 600;
    transition: background 0.18s, color 0.18s;
}
.btn-logout:hover, .btn-logout:focus {
    background-color: #b91c1c !important; /* Tailwind Red-700 */
    color: #fff !important;
    border-color: #b91c1c !important;
    }
.btn-logout:active {
    background-color: #991b1b !important;
    color: #fff !important;
    border-color: #991b1b !important;
}

/* === Dashboard Specific Styles === */
.stat-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px; /* Reduced padding */
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    transition: all var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.stat-card-icon {
    font-size: 2rem;   /* Reduced icon size */
    padding: 14px;   /* Reduced icon padding */
    margin-right: 16px;
    border-radius: 50%;
    color: var(--primary-color);
    background-color: var(--bg-color);
    }
.stat-card-info .stat-title {
    font-size: 0.85rem; /* Slightly smaller title */
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin: 0;
}
.stat-card-info .stat-number {
    font-size: 1.9rem; /* Reduced number size */
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
body.dark-mode .stat-card-icon {
    color: var(--primary-color);
    background-color: #374151;
}

.dashboard-sidebar .card {
    margin-bottom: 24px;
}

.quick-actions .btn {
        width: 100%;
    margin-bottom: 10px;
    text-align: left;
    }
.quick-actions .btn i {
    margin-right: 12px;
    width: 20px; /* Align icons */
}

/* Status Badge with Indicator Dot - NEW STYLE */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4em 0.7em;
    font-size: 0.8em;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
    border: 1px solid transparent;
}
.badge::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 6px;
    border-radius: 50%;
}

/* New Badge Color Definitions */
.badge.status-pending { background-color: #fffbeb; color: #b45309 !important; border-color: #fde68a; }
.badge.status-pending::before { background-color: #f59e0b; }

.badge.status-approved { background-color: #f0fdf4; color: #15803d !important; border-color: #a7f3d0; }
.badge.status-approved::before { background-color: #22c55e; }

.badge.status-rejected { background-color: #fef2f2; color: #b91c1c !important; border-color: #fecaca; }
.badge.status-rejected::before { background-color: #ef4444; }

.badge.status-returned, .badge.status-completed { background-color: #f8fafc; color: #475569 !important; border-color: #e2e8f0; }
.badge.status-returned::before, .badge.status-completed::before { background-color: #64748b; }

.badge.status-in_transit { background-color: #f0f9ff; color: #0369a1 !important; border-color: #bae6fd; }
.badge.status-in_transit::before { background-color: #0ea5e9; }

.badge.status-received { background-color: #f5f5f4; color: #44403c !important; border-color: #d6d3d1; }
.badge.status-received::before { background-color: #78716c; }

/* Dark Mode Specific Badge Overrides */
body.dark-mode .badge.status-pending { background-color: #422006; color: #fbbd23 !important; border-color: #6a3a08; }
body.dark-mode .badge.status-approved { background-color: #064e3b; color: #6ee7b7 !important; border-color: #047857; }
body.dark-mode .badge.status-rejected { background-color: #7f1d1d; color: #fca5a5 !important; border-color: #b91c1c; }
body.dark-mode .badge.status-returned, body.dark-mode .badge.status-completed { background-color: #374151; color: #d1d5db !important; border-color: #4b5563; }
body.dark-mode .badge.status-in_transit { background-color: #1e3a8a; color: #93c5fd !important; border-color: #1d4ed8; }
body.dark-mode .badge.status-received { background-color: #292524; color: #d6d3d1 !important; border-color: #57534e; }
body.dark-mode .badge.status-received::before { background-color: #a8a29e; }

/* === Responsive === */
@media (max-width: 992px) {
    .stat-card-info .stat-number {
        font-size: 1.6rem; /* Further reduce size on medium screens */
    }
}

@media (max-width: 768px) {
    .container, .card, .main, .content {
        padding: 16px;
        margin-bottom: 16px;
    }
    nav, .navbar { padding: 12px 16px; }

    /* Mobile Dashboard Improvements */
    .stat-card {
        padding: 12px 8px; /* Reduce horizontal padding */
        min-height: 100px; /* Ensure cards have a consistent height */
        flex-direction: column; /* Stack icon on top of text */
        align-items: flex-start;
        justify-content: center;
    }
    .stat-card-icon {
        font-size: 1.4rem;
        padding: 8px;
        margin-right: 0;
        margin-bottom: 8px; /* Space between icon and text */
    }
    .stat-card-info .stat-title {
        font-size: 0.8rem;
    }
    .stat-card-info .stat-number {
        font-size: 1.5rem;
    }
    .dashboard-sidebar {
        margin-top: 24px;
    }
}

/* Dashboard Header Actions */
.quick-actions-header .btn {
    margin-left: 8px;
}

@media (max-width: 768px) {
    .quick-actions-header {
        display: none; /* Hide header buttons on mobile */
    }
    .quick-actions-mobile {
        display: block; /* Show mobile-specific buttons */
        margin-top: 20px;
    }
    .quick-actions-mobile .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* === Card Header Styling === */
.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}
body.dark-mode .card-header {
    background-color: #374151; /* Darker than card surface for contrast */
}

/* Fix for secondary text color inside dark mode cards */
body.dark-mode .card .text-secondary {
    color: #9ca3af !important;
}

/* === Definitive Fix for Received Status Badge === */
.badge.status-received { 
    background-color: #fef3c7 !important; /* Amber 100 */
    color: #92400e !important;            /* Amber 800 */
    border-color: #fde68a !important;     /* Amber 200 */
}
.badge.status-received::before { 
    background-color: #f59e0b !important; /* Amber 500 */
}
body.dark-mode .badge.status-received { 
    background-color: #451a03 !important; /* Amber 950 */
    color: #fef3c7 !important;            /* Amber 100 */
    border-color: #78350f !important;     /* Amber 900 */
}
body.dark-mode .badge.status-received::before { 
    background-color: #fcd34d !important; /* Amber 300 */
}

.app-footer {
    background: var(--surface-color);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.98rem;
    width: 100%;
    margin-top: 40px;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.03);
}
body.dark-mode .app-footer {
    background: #18181b;
    color: #a1a1aa;
    border-top: 1px solid #27272a;
}
.app-footer .container {
    max-width: 100vw;
}