@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

:root {
    --primary-color: #4CAF50; /* Verde (App) */
    --secondary-color: #FF9800; /* Laranja (App) */
    --background-color: #f4f4f4; /* Fallback body */
    --text-color: #333; /* Texto principal */
    --light-text-color: #fff; /* Texto claro (botões, header) */
    /* --- FUNDO "VIDRO" MAIS TRANSPARENTE --- */
    /* Reduzido o alfa de 0.8 para 0.6 (60% opaco, 40% transparente) */
    --container-bg: rgba(255, 255, 255, 0.6);
    /* ---------------------------------------- */
    --item-bg: #fff; /* Fundo itens lista (sólido para leitura) */
    --item-bought-bg: #e0e0e0; /* Fundo item comprado */
    --danger-color: #f44336; /* Vermelho (botões) */
    --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    --detail-color: #555; /* Detalhes texto */

    /* Cores CalculateAll */
    --header-bg-color: #007bff;
    --footer-bg-color: #343a40;
    --footer-text-color: #f8f9fa;
    --footer-link-color: #adb5bd;
    --header-line2-color: yellow;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    /* Imagem de fundo mantida */
    background-image: url('lista-compras.jpg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* === Estilos do Cabeçalho Padrão (CalculateAll) === */
.header-compact {
    background-color: var(--header-bg-color);
    padding: 10px 15px;
    color: var(--light-text-color);
    width: 100%;
}
.header-compact-content {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    text-align: center;
}
.header-logo { height: 40px; width: auto; display: block; }
.header-compact-text { text-align: center; }
.header-compact-text h1 { font-size: 1.5rem; color: var(--light-text-color); margin: 0 0 5px 0; font-weight: 600; }
.header-compact-text p { font-size: 1rem; color: var(--header-line2-color); margin: 0; }
/* ================================================== */


/* Container Principal do Aplicativo */
.app-container {
    max-width: 540px;
    margin: 20px auto;
    /* --- EFEITO VIDRO MAIS TRANSPARENTE --- */
    background-color: var(--container-bg); /* USA A NOVA VARIÁVEL MAIS TRANSPARENTE */
    backdrop-filter: blur(8px);             /* Aumentei um pouco o blur para compensar a transparência */
    -webkit-backdrop-filter: blur(8px);
    /* ------------------------------------ */
    padding: 20px 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    /* Borda um pouco mais visível para definir melhor o "vidro" */
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Cabeçalho específico do App */
.app-header {
    text-align: center;
    margin-bottom: 25px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    /* Adicionar sombra ao texto do header do app se necessário para legibilidade */
    /* text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1); */
}
.app-header h1 { font-size: 1.6rem; font-weight: 600; }
.app-header h1 i { margin-right: 10px; }


/* Estilos do Formulário */
#add-item-form {
    /* --- EFEITO VIDRO MAIS TRANSPARENTE NO FORMULÁRIO --- */
    background-color: var(--container-bg); /* Usa a mesma cor transparente */
    /* ------------------------------------------------- */
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
    /* Borda sutil opcional para o formulário */
     /* border: 1px solid rgba(255, 255, 255, 0.2); */
}
#add-item-form h2 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    text-align: center;
    font-size: 1.3rem;
    /* Adicionar sombra se necessário */
     /* text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1); */
}

.form-group { margin-bottom: 15px; }
.form-row { display: flex; gap: 15px; margin-bottom: 15px; flex-wrap: wrap; }
.form-group-half { flex: 1; min-width: 100px; }
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9rem;
    /* Sombra sutil nos labels se a imagem de fundo for muito clara/distrativa */
    /* text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.7); */
}
.form-group input[type="text"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
    background-color: rgba(255, 255, 255, 0.9); /* Input levemente transparente também? Teste */
    /* background-color: #fff; */ /* Ou mantenha sólido */
}
.form-group input:focus,
.form-group select:focus { outline: none; border-color: var(--primary-color); }


/* Botões */
.btn { display: inline-block; padding: 10px 18px; border: none; border-radius: 5px; cursor: pointer; font-size: 0.95rem; font-weight: 600; transition: background-color 0.3s ease, transform 0.1s ease; color: var(--light-text-color); text-align: center; }
.btn:hover { opacity: 0.9; }
.btn:active { transform: scale(0.98); }
.add-btn { background-color: var(--primary-color); width: 100%; margin-top: 10px; }
.clear-btn { background-color: var(--danger-color); }
.delete-btn { background-color: var(--danger-color); color: white; border: none; padding: 4px 7px; border-radius: 50%; cursor: pointer; font-size: 0.75rem; margin-left: 8px; line-height: 1; }
.delete-btn:hover { background-color: darkred; }


/* Seção da Lista */
.list-section { margin-top: 20px; }
.list-section h2 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    text-align: center;
    font-size: 1.3rem;
    /* Sombra se necessário */
    /* text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1); */
}
#filter-controls { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; flex-wrap: wrap; gap: 10px; }
#filter-controls label { margin-right: 5px; font-weight: 600; flex-shrink: 0; font-size: 0.9rem; }
#category-filter { padding: 8px 10px; border-radius: 5px; border: 1px solid #ccc; flex-grow: 1; min-width: 150px; font-size: 0.9rem; background-color: rgba(255, 255, 255, 0.9); /* Select levemente transparente */ }
#clear-list-btn { margin-left: 0; flex-shrink: 0; }
#shopping-list { list-style: none; padding: 0; margin-bottom: 20px; }
/* Manter itens da lista com fundo sólido para leitura */
#shopping-list li { background-color: var(--item-bg); padding: 10px 12px; margin-bottom: 8px; border-radius: 5px; display: flex; justify-content: space-between; align-items: center; box-shadow: var(--box-shadow); transition: background-color 0.3s ease, opacity 0.3s ease; flex-wrap: wrap; gap: 5px; }
#shopping-list li.bought { background-color: var(--item-bought-bg); opacity: 0.7; }
#shopping-list li.bought .item-details, #shopping-list li.bought .item-pricing { text-decoration: line-through; color: #777; }
#shopping-list li.bought .item-price-total strong { color: #777; }
.item-info { display: flex; align-items: center; flex-grow: 1; margin-right: 8px; }
.item-info input[type="checkbox"] { margin-right: 10px; transform: scale(1.1); cursor: pointer; flex-shrink: 0; accent-color: var(--primary-color); }
.item-details { display: flex; flex-direction: column; flex-grow: 1; }
.item-name { font-weight: 600; font-size: 1em; }
.item-category { font-size: 0.75em; color: var(--detail-color); background-color: #eee; padding: 2px 5px; border-radius: 3px; display: inline-block; margin-top: 2px; }
.item-pricing { display: flex; flex-direction: column; align-items: flex-start; font-size: 0.85em; color: var(--detail-color); width: auto; flex-shrink: 0; }
.item-price-unit, .item-quantity { margin-bottom: 1px; }
.item-quantity span, .item-price-unit span { font-weight: 600; color: var(--text-color); margin-left: 4px; }
.item-price-total { margin-top: 3px; font-size: 0.95em; font-weight: 600; color: var(--primary-color); }
.item-price-total strong { color: var(--primary-color); }
.item-actions { display: flex; align-items: center; margin-left: auto; padding-left: 8px; flex-shrink: 0; }


/* Total Geral */
.total-section { margin-top: 20px; padding-top: 12px; border-top: 1px solid rgba(255, 255, 255, 0.3); /* Borda do total um pouco mais visível */ text-align: right; }
.total-section h3 { font-size: 1.15rem; font-weight: 600; color: var(--primary-color); text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1); }
#grand-total-price { font-weight: bold; margin-left: 5px; }


/* Mensagens de lista/filtro vazios */
.empty-list, .empty-filter { text-align: center; color: var(--text-color); /* Texto mais escuro para contraste */ padding: 15px; font-style: italic; background-color: transparent !important; box-shadow: none !important; border: none; margin-bottom: 8px; text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.5); /* Sombra clara para destacar */ }


/* Placeholder para AdSense */
.ad-placeholder { max-width: 540px; margin: 20px auto; }


/* === Estilos do Rodapé Padrão (CalculateAll) === */
.tool-footer { background-color: var(--footer-bg-color); color: var(--footer-text-color); padding: 20px 15px; text-align: center; font-size: 0.9rem; margin-top: 30px; width: 100%; }
.tool-footer-links { margin-bottom: 10px; }
.tool-footer-links a { color: var(--footer-link-color); text-decoration: none; margin: 0 8px; transition: color 0.2s ease; }
.tool-footer-links a:hover { color: var(--light-text-color); text-decoration: underline; }
.tool-footer div:last-of-type { margin-top: 8px; font-size: 0.85rem; color: #6c757d; }


/* --- Responsividade --- */
@media (max-width: 600px) {
    .header-compact-content { flex-direction: column; gap: 10px; }
    .header-compact-text h1 { font-size: 1.3rem; }
    .header-compact-text p { font-size: 0.9rem; }
}
@media (max-width: 500px) {
    .app-container { margin: 15px 10px; padding: 15px 15px; backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); /* Reduzir blur em telas pequenas se performance for problema */ }
    .app-header h1 { font-size: 1.4rem; }
    #add-item-form h2, .list-section h2 { font-size: 1.2rem; }
    .btn { font-size: 0.9rem; padding: 8px 15px; }
    .form-row { flex-direction: column; gap: 0; }
    .form-group-half { min-width: 100%; margin-bottom: 15px; }
    .form-row .form-group-half:last-child { margin-bottom: 0; }
    #filter-controls { flex-direction: column; align-items: stretch; }
    #clear-list-btn { width: 100%; margin-top: 10px; }
    #category-filter { min-width: unset; }
    #shopping-list li { flex-direction: column; align-items: flex-start; }
    .item-info { width: 100%; margin-right: 0; margin-bottom: 5px; }
    .item-pricing { width: 100%; padding-left: 30px; margin-top: 0; font-size: 0.8em; }
    .item-actions { align-self: flex-end; margin-top: 5px; }
    .total-section h3 { font-size: 1.1rem; }
    .tool-footer { font-size: 0.85rem; padding: 15px 10px; }
    .tool-footer-links a { margin: 0 5px; }
    .tool-footer div:last-of-type { font-size: 0.8rem; }
}