/* Estilos generales */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f9;
    color: #333;
}

header {
    background: #1a1a2e;
    color: #fff;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: #e94560;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    border-radius: 5px;
    transition: background 0.3s;
}

nav ul li a:hover {
    background: #e94560;
}

.auth-buttons .btn {
    background: #e94560;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    margin-left: 1rem;
}

/* Panel de tareas */
.task-manager {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.task-card {
    background: #f9f9f9;
    padding: 1rem;
    margin: 1rem 0;
    border-left: 4px solid #e94560;
    border-radius: 5px;
}

.task-card.completed {
    opacity: 0.7;
    border-left-color: #4CAF50;
}

.btn-add {
    background: #4CAF50;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
}

.btn-delete {
    background: #ff3333;
    color: #fff;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 3px;
    cursor: pointer;
}