:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --danger-color: #ef4444;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 1rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease-in-out;
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-2px);
}

.card-body {
    padding: 1.5rem;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
    border: none;
    cursor: pointer;
}

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

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

/* Formulários */
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: border-color 0.2s ease-in-out;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px -1px rgb(0 0 0 / 0.1), 0 4px 6px -2px rgb(0 0 0 / 0.1);
}

.stat-card h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
}

/* Atividades Recentes */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    padding: 1rem;
    border-radius: 0.75rem;
    background-color: var(--background-color);
    transition: all 0.2s ease;
}

.activity-item:hover {
    background-color: white;
    box-shadow: var(--card-shadow);
}

.activity-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
}

/* Navegação */
.navbar {
    background: white;
    box-shadow: var(--card-shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

/* Responsividade */
@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }

    .stat-card {
        padding: 1rem;
    }

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

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

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

/* Utilitários */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.p-4 { padding: 2rem; }

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

/* Links */
.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    padding: 0;
    font-weight: 500;
}

.btn-link:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

/* Dropdown */
.dropdown-menu {
    border: none;
    box-shadow: var(--card-shadow);
    border-radius: 0.75rem;
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

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

.dropdown-item.text-danger:hover {
    background-color: #fee2e2;
}