/* ==========================================
   ENTIDADES XD - Modern Design System
   ========================================== */

:root {
    /* Primary Colors - Professional Blue */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Accent Colors - Vibrant Purple */
    --accent-500: #8b5cf6;
    --accent-600: #7c3aed;

    /* Success Colors */
    --success-50: #f0fdf4;
    --success-500: #22c55e;
    --success-600: #16a34a;

    /* Warning Colors */
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Danger Colors */
    --danger-50: #fef2f2;
    --danger-500: #ef4444;
    --danger-600: #dc2626;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   Base Styles
   ========================================== */
html, body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
}

/* ==========================================
   Links & Buttons
   ========================================== */
a, .btn-link {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, .btn-link:hover {
    color: var(--primary-700);
}

.btn {
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    border: none;
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-600), #15803d);
    transform: translateY(-1px);
}

.btn-outline-primary {
    border: 2px solid var(--primary-500);
    color: var(--primary-600);
    background: transparent;
}

.btn-outline-primary:hover,
.btn-check:checked + .btn-outline-primary {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.btn-outline-secondary {
    border: 2px solid var(--gray-300);
    color: var(--gray-600);
}

.btn-outline-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--gray-700);
}

.btn-outline-danger {
    border: 2px solid var(--danger-500);
    color: var(--danger-600);
}

.btn-outline-danger:hover {
    background: var(--danger-500);
    color: white;
}

.btn-outline-warning {
    border: 2px solid var(--warning-500);
    color: var(--warning-600);
}

.btn-outline-warning:hover {
    background: var(--warning-500);
    color: white;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
    outline: none;
}

/* ==========================================
   Cards
   ========================================== */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    background: white;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    border-bottom: 1px solid var(--gray-100);
    background: white;
    padding: 1rem 1.25rem;
    font-weight: 600;
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
    border-bottom: none;
}

.card-header.bg-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600)) !important;
    border-bottom: none;
}

.card-header.bg-danger {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600)) !important;
    border-bottom: none;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600)) !important;
    border-bottom: none;
    color: white !important;
}

.card-body {
    padding: 1.25rem;
}

/* Stat Cards */
.stat-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--primary-300);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-card small {
    color: var(--gray-500);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.stat-card.stat-primary {
    border-left: 4px solid var(--primary-500);
}

.stat-card.stat-success {
    border-left: 4px solid var(--success-500);
}

.stat-card.stat-warning {
    border-left: 4px solid var(--warning-500);
}

.stat-card.stat-danger {
    border-left: 4px solid var(--danger-500);
}

.stat-card.stat-info {
    border-left: 4px solid #06b6d4;
}

/* Large Stat Cards */
.stat-card-lg {
    background: linear-gradient(135deg, var(--gray-50), white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 2px solid var(--gray-200);
}

.stat-card-lg.stat-primary {
    border-color: var(--primary-300);
    background: linear-gradient(135deg, var(--primary-50), white);
}

.stat-card-lg.stat-success {
    border-color: var(--success-500);
    background: linear-gradient(135deg, var(--success-50), white);
}

.stat-card-lg h3 {
    font-size: 2rem;
    font-weight: 700;
}

/* ==========================================
   Upload Area
   ========================================== */
.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    background: linear-gradient(135deg, var(--gray-50), white);
    transition: all var(--transition);
    cursor: pointer;
}

.upload-area:hover, .upload-area.dragging {
    border-color: var(--primary-400);
    background: linear-gradient(135deg, var(--primary-50), white);
    transform: scale(1.01);
}

.upload-area input[type="file"] {
    cursor: pointer;
}

.upload-area p {
    margin-top: 1rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* ==========================================
   Tables
   ========================================== */
.table {
    margin-bottom: 0;
}

.table-responsive {
    max-height: 500px;
    overflow-y: auto;
    border-radius: var(--radius);
}

.table thead th {
    background: var(--gray-800);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.875rem 1rem;
    border: none;
    position: sticky;
    top: 0;
    z-index: 1;
}

.table-dark {
    --bs-table-bg: var(--gray-800);
}

.table tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-color: var(--gray-100);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--gray-50);
}

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

/* ==========================================
   Alerts
   ========================================== */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
}

.alert-danger {
    background: var(--danger-50);
    color: var(--danger-600);
    border-left: 4px solid var(--danger-500);
}

.alert-success {
    background: var(--success-50);
    color: var(--success-600);
    border-left: 4px solid var(--success-500);
}

/* ==========================================
   Badges
   ========================================== */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    border-radius: var(--radius-sm);
}

.badge.bg-secondary {
    background: var(--gray-200) !important;
    color: var(--gray-700);
}

.badge.bg-warning {
    background: var(--warning-500) !important;
}

/* ==========================================
   List Groups
   ========================================== */
.list-group-item {
    border-color: var(--gray-200);
    padding: 0.875rem 1.25rem;
}

.list-group-numbered > .list-group-item::before {
    color: var(--primary-600);
    font-weight: 600;
}

/* ==========================================
   Forms
   ========================================== */
.form-control {
    border-radius: var(--radius);
    border-color: var(--gray-300);
    padding: 0.625rem 1rem;
}

.form-control:focus {
    border-color: var(--primary-400);
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

/* ==========================================
   Button Groups
   ========================================== */
.btn-group {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ==========================================
   Spinner
   ========================================== */
.spinner-border {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 2px;
}

/* ==========================================
   Code
   ========================================== */
code {
    background-color: var(--gray-100);
    color: var(--primary-700);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875em;
    font-weight: 500;
}

/* ==========================================
   Content Area
   ========================================== */
.content {
    padding-top: 1.5rem;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gray-800);
    font-weight: 600;
}

h1:focus {
    outline: none;
}

/* ==========================================
   Page Header
   ========================================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-200);
}

.page-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-600));
    color: white;
    border-radius: var(--radius-xl);
    padding: 3rem;
    margin-bottom: 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.hero-section h1 {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.hero-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* ==========================================
   Feature Cards
   ========================================== */
.feature-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* ==========================================
   Validation Styles
   ========================================== */
.valid.modified:not([type=checkbox]) {
    outline: 2px solid var(--success-500);
    outline-offset: -2px;
}

.invalid {
    outline: 2px solid var(--danger-500);
    outline-offset: -2px;
}

.validation-message {
    color: var(--danger-600);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ==========================================
   Error Boundary
   ========================================== */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--danger-600);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--radius);
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: var(--gray-400);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--gray-400);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
}

.shadow-soft {
    box-shadow: var(--shadow-md);
}

/* ==========================================
   Responsive adjustments
   ========================================== */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 1.5rem;
    }

    .hero-section h1 {
        font-size: 1.75rem;
    }

    .stat-card h3 {
        font-size: 1.25rem;
    }

    .stat-card-lg h3 {
        font-size: 1.5rem;
    }
}