/* Importação da Fonte e Ícones */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* Variáveis de Cor */
:root {
    --bg-color: #1a1a2e;
    --card-bg-color: #16213e;
    --primary-color: #0f3460;
    --secondary-color: #e94560;
    --warning-color: #f9a825;
    --text-color: #e0e0e0;
    --text-muted-color: #a0a0a0;
    --border-color: #2a3b5e;
    --success-color: #4CAF50;
    --font-family: 'Poppins', sans-serif;
}

/* Reset Básico e Layout */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Header e Navegação por Abas */
header {
    flex-shrink: 0;
    text-align: center;
    margin-bottom: 1.5rem;
}
header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.tabs {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}
.tab-link {
    background: none;
    border: none;
    color: var(--text-muted-color);
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    font-size: 1.1rem;
    font-family: var(--font-family);
    border-bottom: 3px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}
.tab-link i { margin-right: 0.5rem; }
.tab-link.active, .tab-link:hover {
    color: white;
    border-bottom-color: var(--secondary-color);
}
.tab-content { display: none; }
.tab-content.active { display: block; height: 100%; }

/* Main e Grid Layout */
main {
    flex-grow: 1;
    overflow: hidden;
}
.grid-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
    height: 100%;
}

/* Cards */
.card {
    background-color: var(--card-bg-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 1.5rem;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.8rem;
}
.card-header h2 { font-size: 1.3rem; }
.card-header h2 i { margin-right: 0.5rem; }
.list-container { overflow-y: auto; flex-grow: 1; }

/* Botões */
.btn {
    padding: 0.7rem 1.2rem; border: none; border-radius: 6px; color: white;
    font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: background-color 0.3s, transform 0.2s;
}
.btn i { margin-right: 0.5rem; }
.btn-primary { background-color: var(--secondary-color); }
.btn-primary:hover { background-color: #c43751; }
.btn-secondary { background-color: var(--primary-color); }
.btn-secondary:hover { background-color: #1b4a8b; }
form .btn { width: 100%; margin-top: 1rem; padding: 0.9rem; }

/* Listas */
ul { list-style: none; }
ul li {
    background-color: var(--bg-color);
    padding: 0.8rem 1rem; border-radius: 6px; margin-bottom: 0.5rem;
    display: flex; justify-content: space-between; align-items: center;
    border-left: 4px solid transparent; transition: all 0.3s;
}
ul li.product-item { cursor: pointer; }
ul li:hover, ul li.product-item.active {
    background-color: var(--primary-color);
    border-left-color: var(--secondary-color);
}
.list-item-controls { display: flex; gap: 0.8rem; }
.control-btn { background: none; border: none; cursor: pointer; color: var(--text-muted-color); font-size: 1rem; transition: color 0.3s; }
.control-btn.edit-btn:hover { color: var(--success-color); }
.control-btn.delete-btn:hover { color: var(--secondary-color); }

/* Seção de Resultados */
#results-display { overflow-y: auto; padding-right: 10px; }
.results-display-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.result-item { background-color: rgba(26, 26, 46, 0.7); padding: 1rem; border-radius: 8px; border-left: 4px solid var(--secondary-color); }
.result-item.final-price { border-left-color: var(--success-color); background-color: rgba(76, 175, 80, 0.1); }
.result-item h4 { color: var(--text-muted-color); font-weight: 500; margin-bottom: 0.5rem; font-size: 0.8rem; text-transform: uppercase; }
.result-item p { font-size: 1.4rem; font-weight: 600; color: white; }
.result-item p.positive { color: var(--success-color); }
.warning-box { background-color: rgba(249, 168, 37, 0.1); border: 1px solid var(--warning-color); border-left-width: 5px; padding: 1rem; margin-bottom: 1.5rem; border-radius: 8px; color: #f5c882; }
.warning-box strong { color: var(--warning-color); }
.placeholder { color: var(--text-muted-color); text-align: center; padding: 2rem; font-size: 1.1rem; }

/* --- MODAL --- */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.6); animation: fadeIn 0.3s ease; }
.modal.active { display: flex; align-items: center; justify-content: center; }
.modal-content { background-color: var(--card-bg-color); margin: auto; padding: 2rem; border: 1px solid var(--border-color); border-radius: 12px; width: 90%; max-width: 600px; animation: slideIn 0.4s ease-out; }
.modal-content.large { max-width: 900px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.modal-header h2 { font-size: 1.5rem; }
.close-btn { background: none; border: none; color: var(--text-muted-color); font-size: 2rem; cursor: pointer; transition: color 0.3s; }
.close-btn:hover { color: white; }

/* Formulários */
.form-description { color: var(--text-muted-color); margin-bottom: 1.5rem; font-size: 0.9rem; }
#product-form .form-columns { display: flex; gap: 2rem; }
#product-form .form-column { flex: 1; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.5rem; color: var(--text-muted-color); font-size: 0.9rem; }
.form-row { display: flex; gap: 1rem; align-items: flex-end; }
.flex-grow { flex-grow: 1; }
input[type="text"], input[type="number"], select { width: 100%; padding: 0.7rem; border-radius: 6px; border: 1px solid var(--border-color); background-color: var(--bg-color); color: var(--text-color); font-size: 0.9rem; }
.recipe-builder .btn { padding: 0.7rem; }
.list-container-modal { height: 150px; overflow-y: auto; background-color: var(--bg-color); border-radius: 6px; padding: 0.5rem; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* Responsividade */
@media (max-width: 992px) {
    .grid-container { grid-template-columns: 1fr; }
    #dashboard .card { height: 45vh; }
    #product-form .form-columns { flex-direction: column; gap: 1rem; }
}
@media (max-width: 576px) {
    .container { padding: 1rem; }
    .form-row { flex-direction: column; gap: 1rem; align-items: stretch; }
}