body {
    background: #2e2e52;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #f5f5f5;
}

main.container {
    max-width: 500px;
    margin: 40px auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.18);
    text-align: center;
}

h1 {
    margin-bottom: 12px;
    font-size: 2em;
}

.decorative-bar {
    width: 80%;
    height: 5px;
    background: linear-gradient(90deg, #4f8cff, #6c63ff, #a259ff);
    border-radius: 3px;
    margin: 18px auto;
}

form {
    margin-bottom: 18px;
    display: flex;
    justify-content: center;
    gap: 8px;
}

input[type="text"] {
    flex: 1;
    padding: 8px;
    border-radius: 6px;
    border: none;
    font-size: 1em;
}

button {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    background: #4f8cff;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background: #2c3e80;
}

button.realizada {
    background: #4caf50;
    color: #fff;
    border: none;
    cursor: default;
}

ul#lista-tareas {
    list-style: none;
    padding: 0;
    margin: 0 0 18px 0;
}

ul#lista-tareas li {
    background: rgba(255, 255, 255, 0.08);
    margin-bottom: 8px;
    padding: 8px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

ul#lista-tareas button {
    margin-left: 8px;
    font-size: 0.95em;
    padding: 4px 10px;
}

p {
    font-size: 1.1em;
    line-height: 1.5em;
    margin-top: 12px;
}

ul#lista-tareas li.tarea-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.08);
    margin-bottom: 8px;
    padding: 8px;
    border-radius: 6px;
}

.tarea-texto {
    flex: 1;
    text-align: left;
}

.tarea-botones {
    display: flex;
    gap: 8px;
}

.descripcion-app {
    background: rgba(255, 255, 255, 0.06);
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 18px;
    font-size: 1.08em;
    color: #e0e0e0;
}

.descripcion-app .acciones {
    font-weight: bold;
    color: #4f8cff;
}


@media (max-width: 600px) {
    main.container {
        padding: 12px;
        border-radius: 10px;
    }

    h1 {
        font-size: 1.3em;
    }
}