body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Ajustes Dark Mode */
[data-bs-theme="dark"] .card {
    background-color: #212529;
    border-color: #373b3e;
}

[data-bs-theme="dark"] .bg-body-tertiary {
    background-color: #1a1d20 !important;
}

[data-bs-theme="dark"] .list-group-item {
    background-color: #2c3034;
    border-color: #373b3e;
    color: #e9ecef;
}

[data-bs-theme="dark"] .list-group-item:hover {
    background-color: #343a40;
}

/* Animação suave */
.btn, .form-control, .form-select {
    transition: all 0.2s ease-in-out;
}