/* Variáveis CSS para cores modernizadas */
:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --secondary-color: #1F2937;
    --accent-color: #10B981;
    --accent-hover: #059669;
    --danger-color: #EF4444;
    --danger-hover: #DC2626;
    --warning-color: #F59E0B;
    --warning-hover: #D97706;
    --info-color: #3B82F6;
    --info-hover: #2563EB;
    --light-bg: #F9FAFB;
    --card-bg: #FFFFFF;
    --dark-text: #111827;
    --gray-text: #6B7280;
    --light-text: #F3F4F6;
    --border-color: #E5E7EB;
    --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);
    --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);
}

/* Estilos globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
    font-size: 16px;
}

.container-fluid {
    padding-top: 30px;
    padding-bottom: 30px;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #374151 100%);
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--light-text) !important;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.nav-link {
    color: var(--light-text) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    margin: 0 0.25rem;
}

.nav-item {
    text-align: center;
    display: flex;
    align-items: flex-end;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

/* Títulos e Cabeçalhos */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2rem;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 1.5rem;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 25px;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    font-weight: 600;
    border-bottom: none;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    letter-spacing: -0.3px;
}

.card-body {
    padding: 1.5rem;
}

/* Cards de estatísticas */
.stats-card {
    border-radius: 12px;
    padding: 1.5rem;
    background: white;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

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

.stats-card.success {
    border-left-color: var(--accent-color);
}

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

.stats-card.danger {
    border-left-color: var(--danger-color);
}

.stats-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.stats-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-text);
    margin: 0.5rem 0;
}

.stats-card .stat-label {
    font-size: 0.875rem;
    color: var(--gray-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Formulários */
.form-control {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    outline: none;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
    color: var(--dark-text);
    font-size: 0.9rem;
}

.form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    outline: none;
}

/* Botões */
.btn {
    border-radius: 8px;
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

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

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #3730A3 100%);
    color: white;
}

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

.btn-success:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, #047857 100%);
    color: white;
}

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

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-hover) 0%, #B91C1C 100%);
    color: white;
}

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

.btn-info:hover {
    background: linear-gradient(135deg, var(--info-hover) 0%, #1D4ED8 100%);
    color: white;
}

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

.btn-warning:hover {
    background: linear-gradient(135deg, var(--warning-hover) 0%, #B45309 100%);
    color: white;
}

.btn-dark {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #374151 100%);
    color: white;
}

.btn-dark:hover {
    background: linear-gradient(135deg, #374151 0%, #4B5563 100%);
    color: white;
}

.btn-sm {
    padding: 0.4rem 0.875rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Badges */
.alerta {
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

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

.badge-success {
    background-color: var(--accent-color);
    color: rgb(255, 255, 255);
}

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

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

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

.badge-secondary {
    background-color: #6B7280;
    color: white;
}

/* Alertas */
.alert {
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    border: none;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--accent-color);
}

.alert-danger {
    background-color: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background-color: #DBEAFE;
    color: #1E40AF;
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background-color: #FEF3C7;
    color: #92400E;
    border-left: 4px solid var(--warning-color);
}

/* Tabelas */
.table-container {
    background-color: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 2rem;
}

.table {
    background-color: white;
    margin-bottom: 0;
    width: 100%;
}

.table thead th {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #374151 100%);
    color: white;
    border-bottom: none;
    padding: 1rem 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: #F9FAFB;
}

.table tbody tr:last-child {
    border-bottom: none;
}

.table tbody td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    color: var(--dark-text);
}

/* DataTables customização */
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    margin-left: 0.5rem;
}

.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.375rem 0.75rem;
    margin: 0 0.5rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 6px;
    padding: 0.375rem 0.75rem;
    margin: 0 0.25rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--primary-color) !important;
    color: white !important;
    border: none;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

/* Utilitários */
.pull-right {
    float: right;
}

.d-inline {
    display: inline-block;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.mt-3 {
    margin-top: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--gray-text) !important;
}

/* Ícones */
.icon {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    vertical-align: middle;
}

/* Separador de seção */
.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin: 2rem 0;
}

/* Página de login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
}

.login-card {
    max-width: 450px;
    width: 100%;
    padding: 2.5rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsividade */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.25rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .table thead th,
    .table tbody td {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

/* Estilo para campos inválidos */
.is-invalid {
    border-color: var(--danger-color) !important;
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}


@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-text);
}

.empty-state-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.empty-state-text {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

/* Página header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    margin-bottom: 0;
}

/* Grid de estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}