:root {
    --cor-principal: #00897b;
    --cor-fundo: #f4f7f6;
    --cor-cartao: #ffffff;
    --cor-texto: #333;
    --cor-suave: #e0f2f1;
    --sombra: 0 4px 6px rgba(0, 0, 0, 0.1);
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    margin: 0;
    padding: 0;
}
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}
header {
    text-align: center;
    padding: 2rem 0 1rem;
}
header h1 {
    font-size: 2rem;
    color: var(--cor-principal);
    margin: 0;
}
header p {
    font-size: 0.9rem;
    color: #666;
    margin: 0.5rem 0 0;
}
.card {
    background-color: var(--cor-cartao);
    border-radius: 12px;
    box-shadow: var(--sombra);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.actions-header {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.action-button {
    background-color: var(--cor-principal);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.action-button:hover {
    background-color: #00695c;
}
#voiceButton {
    font-size: 1.5rem;
    line-height: 1;
}
.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.input-group input {
    width: 100%;
    border: 1px solid var(--cor-suave);
    border-radius: 8px;
    padding: 0.8rem;
    font-size: 1rem;
    outline: none;
}
.input-buttons {
    display: flex;
    gap: 0.5rem;
}
#list {
    max-height: 40vh;
    overflow-y: auto;
    padding-right: 0.5rem;
}
.category {
    margin-bottom: 1rem;
}
.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--cor-suave);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    color: var(--cor-principal);
    margin: 0 0 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.category-header:hover {
    background-color: #c8e6c9;
}
.category-header.active {
    background-color: var(--cor-principal);
    color: white;
}
.category-header h2 {
    font-size: 1.1rem;
    margin: 0;
}
.arrow-icon {
    font-size: 1rem;
    transition: transform 0.3s ease;
}
.arrow-icon.expanded {
    transform: rotate(180deg);
}
.user-items ul, .predefined-items ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.predefined-items {
    display: none;
}
.category.expanded .predefined-items {
    display: block;
}
.category li {
    background-color: #f9f9f9;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}
.user-items li.completed {
    background-color: #e0f2f1;
    color: #999;
}
.user-items li.completed .item-name {
    text-decoration: line-through;
    color: #999;
}
.predefined-items li {
    cursor: pointer;
}
.predefined-items li:hover {
    background-color: #e8f5e9;
}
.predefined-items li.added-to-list {
    background-color: #d1e7dd;
    color: #666;
    cursor: default;
}
.predefined-items li.added-to-list:hover {
    background-color: #d1e7dd;
}
.predefined-items li.added-to-list span {
    text-decoration: line-through;
}
.category li .item-name {
    flex-grow: 1;
}
.category li .item-buttons {
    display: flex;
    gap: 0.5rem;
}
.category li button {
    background: none;
    border: none;
    color: #999;
    font-size: 1.2rem;
    cursor: pointer;
}
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
    width: 90%;
    max-width: 400px;
    text-align: center;
}
.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}
.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}
.existing-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.existing-categories button {
    border: 1px solid var(--cor-principal);
    background-color: white;
    color: var(--cor-principal);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
}
.listening {
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* Estilos de Impressão */
@media print {
    body {
        background-color: #fff;
    }
    .container, .modal {
        display: none !important;
    }
    #print-list {
        display: block !important;
        font-family: inherit;
        padding: 1rem;
        margin: 0;
        
        column-count: 2;
        column-gap: 3rem;
        padding-left: 2rem;
    }
    #print-list h1 {
        text-align: center;
        margin-bottom: 1.5rem;
        font-size: 1.8rem;
        color: var(--cor-texto);
        -webkit-column-span: all;
        column-span: all;
    }
    #print-list ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    #print-list li {
        font-size: 1.2rem;
        padding: 0.3rem 0;
        border-bottom: none;
        break-inside: avoid-column;
    }
}