/* Material Design para Lalista */
.material-card {
    background: #FAFAFA;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(76,175,80,0.08);
    padding: 12px;
    margin-bottom: 16px;
}
.material-card-white {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(76,175,80,0.05);
    padding: 10px;
    margin: 10px 0;
}
.material-btn {
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(40,167,69,0.08);
    transition: background 0.2s, box-shadow 0.2s;
    margin-bottom: 8px;
}
.material-btn-green {
    background: #4CAF50;
    color: #fff;
}
.material-btn-green:hover, .material-btn-green:focus {
    background: #388E3C;
}
.material-btn-orange {
    background: #FF9800;
    color: #fff;
}
.material-btn-orange:hover, .material-btn-orange:focus {
    background: #F57C00;
}
.material-btn-red {
    background: #d32f2f;
    color: #fff;
}
.material-btn-red:hover, .material-btn-red:focus {
    background: #b71c1c;
}
/* Fondo negro para el logo */
.logo-bg {
    background: #212121;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    padding: 4px;
}
@media (max-width: 600px) {
    body {
        padding: 10px;
        border-radius: 0;
        box-shadow: none;
        background: #FAFAFA;
        color: #212121;
        font-family: 'Segoe UI', Arial, sans-serif;
        margin: 0;
        padding: 24px;
    }

    .container {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        max-width: 600px;
        margin: 0 auto;
        background: #FAFAFA;
        border-radius: 16px;
        box-shadow: 0 4px 24px rgba(76,175,80,0.08);
        padding: 32px;
        gap: 24px;
    }

    h1, h2 {
        color: #4CAF50;
        font-weight: 600;
        margin-top: 0;
    }

    .form-group {
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-bottom: 24px;
        max-width: 100vw;
    }

    input {
        width: 100%;
        max-width: 400px;
        padding: 12px;
        font-size: 17px;
        border: 1.5px solid #4CAF50;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(40,167,69,0.05);
        transition: border-color 0.2s;
        background: #FAFAFA;
        color: #212121;
        box-sizing: border-box;
    }
    input:focus {
        border-color: #FF9800;
        outline: none;
    }

    button {
        width: 100%;
        padding: 12px 20px;
        font-size: 17px;
        background-color: #4CAF50;
        color: #fff;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(40,167,69,0.08);
        transition: background 0.2s, box-shadow 0.2s;
        font-weight: 500;
        margin-bottom: 12px;
    }
    button:hover, button:focus {
        background-color: #FF9800;
    }

    .item-list {
        margin-bottom: 30px;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    .item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 14px;
        border: 1.5px solid #e0e0e0;
        border-radius: 10px;
        margin-bottom: 12px;
        background-color: #FAFAFA;
        transition: box-shadow 0.2s, background 0.2s;
        box-shadow: 0 2px 8px rgba(40,167,69,0.04);
        width: 100%;
        max-width: 500px;
    }
    .item:nth-child(even) {
        background-color: #FFEB3B;
    }
    .item:hover {
        box-shadow: 0 4px 16px rgba(40,167,69,0.12);
        background-color: #FFEB3B;
    }

    .semana h2 {
        margin-top: 0;
        font-size: 1.5em;
        color: #4CAF50;
        font-weight: 600;
    }

    .historial h2 {
        color: #FF9800;
        font-size: 1.2em;
        font-weight: 600;
    }
@media (max-width: 600px) {
    .item-list {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    .item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 100%;
        max-width: 100vw;
    }
        flex-direction: column;