/* ArchitectUI-Inspired Professional Theme */

:root {
    /* Primary Colors - Professional Blues */
    --primary-color: #3f6ad8;
    --primary-dark: #2f4fb8;
    --primary-light: #5a7ee0;
    --primary-lighter: #e8eeff;
    
    /* Secondary Colors */
    --secondary-color: #6c757d;
    --success-color: #3ac47d;
    --danger-color: #d92550;
    --warning-color: #f7b924;
    --info-color: #16aaff;
    
    /* Neutral Palette */
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f5f6fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    
    /* Layout */
    --sidebar-width: 280px;
    --navbar-height: 70px;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Global Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f6fa !important;
    color: var(--text-primary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Navbar - ArchitectUI Style */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    box-shadow: 0 0.125rem 0.625rem rgba(0, 0, 0, 0.12);
    padding: 1rem 1.5rem;
    height: var(--navbar-height);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--white) !important;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 0.875rem !important;
    transition: all 0.2s ease;
    border-radius: var(--border-radius);
    margin: 0 0.125rem;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white) !important;
}

/* Page Headers */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

/* Cards - ArchitectUI Style */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Buttons - ArchitectUI Style */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

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

.btn-success:hover {
    background-color: #2ea562;
}

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

.btn-danger:hover {
    background-color: #b81d40;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    box-shadow: none;
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Forms - ArchitectUI Style */
.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background-color: var(--white);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(63, 106, 216, 0.15);
}

.form-control::placeholder {
    color: var(--gray-400);
}

/* Tables - ArchitectUI Style */
.table {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gray-300);
    padding: 0.875rem;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

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

.table tbody td {
    padding: 0.875rem;
    vertical-align: middle;
    font-size: 0.875rem;
}

/* Badges - ArchitectUI Style */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.375rem 0.625rem;
    border-radius: 0.375rem;
    letter-spacing: 0.3px;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: var(--gray-900) !important;
}

.badge.bg-info {
    background-color: var(--info-color) !important;
}

/* Alerts - ArchitectUI Style */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    box-shadow: var(--box-shadow-sm);
}

.alert-success {
    background-color: #d1f4e0;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

/* Stats Cards - ArchitectUI Dashboard Style */
.stat-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--box-shadow-sm);
    transition: all 0.2s ease;
    border-left: 4px solid var(--primary-color);
}

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

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

.stat-card-icon {
    font-size: 2.5rem;
    opacity: 0.2;
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
}

/* Progress Bars - ArchitectUI Style */
.progress {
    height: 0.625rem;
    border-radius: 0.5rem;
    background-color: var(--gray-200);
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 0.5rem;
}

/* Dropdown Menus */
.dropdown-menu {
    border: none;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

/* Modal */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
}

.modal-header {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
}

.modal-title {
    font-weight: 600;
    font-size: 1.25rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
}

/* Pagination */
.pagination {
    margin-top: 1.5rem;
}

.page-link {
    color: var(--primary-color);
    border: 1px solid var(--gray-300);
    padding: 0.5rem 0.875rem;
    margin: 0 0.125rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

.page-link:hover {
    background-color: var(--primary-lighter);
    border-color: var(--primary-color);
    color: var(--primary-dark);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-item {
    font-size: 0.875rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--gray-400);
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

/* Spacing Utilities */
.container {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--gray-200);
}

/* Shadow Utilities */
.shadow-sm {
    box-shadow: var(--box-shadow-sm) !important;
}

.shadow {
    box-shadow: var(--box-shadow) !important;
}

.shadow-lg {
    box-shadow: var(--box-shadow-lg) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 1rem;
        height: auto;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
}