:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,.15);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid rgba(0,0,0,.125);
    padding: 15px 20px;
    border-radius: 10px 10px 0 0;
}

.card-body {
    padding: 20px;
}

/* Botões */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: #c0392b;
}

/* Formulários */
.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 15px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary-color);
    outline: none;
}

/* Tabelas */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 0;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--secondary-color);
}

.table td {
    vertical-align: middle;
}

.table tr:hover {
    background: var(--light-gray);
}

/* Navegação */
.navbar {
    background: var(--primary-color);
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand img:hover {
    transform: scale(1.05);
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    padding: 8px 15px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--secondary-color);
}

/* Alertas */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

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

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

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

/* Timeline */
.timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--primary-color);
}

.timeline-marker::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 1rem;
    width: 2px;
    height: 100%;
    background-color: #e9ecef;
}

.timeline-item:last-child .timeline-marker::before {
    display: none;
}

/* Badges */
.badge {
    padding: 0.5em 0.75em;
    font-weight: 500;
}

/* Footer */
.footer {
    margin-top: auto;
    background-color: white;
    border-top: 1px solid #e9ecef;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .timeline-item {
        padding-left: 1.5rem;
    }
    
    .timeline-marker {
        width: 0.75rem;
        height: 0.75rem;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Utilitários */
.text-center {
    text-align: center;
}

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

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

.p-3 {
    padding: 1rem;
}

.bg-opacity-10 {
    background-color: rgba(var(--bs-primary-rgb), 0.1);
}

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

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

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

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

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