/* ==========================================================
   CSS Específico - Calculadora de IMC (Padrão V5)
   ========================================================== */

/* --- [BASE V5] Estrutura --- */
.tool-container-large { max-width: 1000px; } 
.breadcrumbs { margin-bottom: var(--spacing-md); font-size: 0.9rem; color: var(--c-text-secondary); }
.breadcrumbs a { color: var(--c-text-secondary); text-decoration: none; }
.breadcrumbs a:hover { color: var(--c-primary); }
.breadcrumbs span { margin: 0 0.25rem; }

.category-header { 
    text-align: center; 
    margin-bottom: var(--spacing-xl); 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}
.category-header h1 { font-size: 2.5rem; margin-bottom: var(--spacing-sm); }
.category-header p.page-description { font-size: 1.1rem; max-width: 60ch; margin: 0 auto; color: var(--c-text-secondary); }

/* Subnav V5 */
.tool-subnav { display: flex; flex-wrap: wrap; gap: var(--spacing-sm) var(--spacing-md); justify-content: center; padding: var(--spacing-md); background-color: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--border-radius-lg); margin-top: var(--spacing-xl); }
.tool-subnav a { font-weight: 600; color: var(--c-text-secondary); text-decoration: none; padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--border-radius); transition: all var(--transition-fast); }
.tool-subnav a:hover { background-color: var(--c-background); color: var(--c-text-primary); }
.tool-subnav a.is-active { background-color: var(--c-primary-alpha); color: var(--c-primary); }

/* --- LAYOUT PRINCIPAL (Grid Split) --- */
.imc-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}
@media (min-width: 768px) {
    .imc-container {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

/* --- COLUNA 1: FORMULÁRIO --- */
.imc-form-section { display: flex; flex-direction: column; gap: 20px; }

.form-group label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 0.9rem; }
.form-input {
    display: block; width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--c-text-primary);
    background-color: var(--c-background);
    border: 1px solid var(--c-border);
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease-in-out;
}
.form-input:focus { border-color: var(--c-primary); outline: 0; }

/* Box de Contexto (Faixa Ideal) */
.resultado-contexto {
    padding: 20px;
    background-color: var(--c-background);
    border: 1px solid var(--c-border);
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 10px;
}
.resultado-contexto p { margin: 0; font-size: 0.95rem; color: var(--c-text-secondary); margin-bottom: 5px; }

.faixa-destaque {
    font-weight: 700;
    font-size: 1.2rem !important;
    color: var(--c-text-primary) !important;
    opacity: 0.5;
    transition: opacity 0.3s;
}
.faixa-destaque.active { color: var(--c-primary) !important; opacity: 1; }

.disclaimer-importante {
    font-size: 0.85rem;
    text-align: center;
    color: var(--c-text-secondary);
    line-height: 1.5;
    padding: 0 10px;
}

/* --- COLUNA 2: RESULTADO VISUAL --- */
.imc-resultado-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    background-color: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--border-radius-lg);
    min-height: 300px;
}

.resultado-label { font-size: 1.1rem; color: var(--c-text-secondary); margin-bottom: 0; }
.resultado-valor {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--c-text-primary);
    line-height: 1;
    margin: 10px 0 20px 0;
    font-variant-numeric: tabular-nums;
}

/* Gráfico SVG */
.grafico-imc-container {
    position: relative;
    width: 280px;
    height: 140px;
    margin-bottom: 20px;
}
.grafico-imc { width: 100%; height: 100%; overflow: visible; }

.imc-segmento {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0.2;
    cursor: default;
}
.imc-segmento.active {
    opacity: 1;
    stroke: var(--c-surface);
    stroke-width: 0.5;
    filter: drop-shadow(0px 4px 6px rgba(0,0,0,0.1));
}

/* Texto da Categoria (Pílula) */
.imc-categoria-texto-grafico {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(50%);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 50px;
    text-align: center;
    color: #fff;
    white-space: nowrap;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    transition: background-color 0.3s ease;
}

/* Cores e Classes de Estado */
.cat-preencha { background-color: var(--c-border); color: var(--c-text-secondary); }
.cat-magreza { background-color: #3498db; }
.cat-normal { background-color: #2ecc71; }
.cat-sobrepeso { background-color: #f1c40f; }
.cat-obesidade { background-color: #e67e22; }

/* Legenda */
.legenda-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 20px;
    margin-top: 30px;
    width: 100%;
}
.legenda-item { display: flex; align-items: center; font-size: 0.9rem; color: var(--c-text-secondary); }
.legenda-cor { width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; }
.legenda-cor.magreza { background-color: #3498db; }
.legenda-cor.normal { background-color: #2ecc71; }
.legenda-cor.sobrepeso { background-color: #f1c40f; }
.legenda-cor.obesidade { background-color: #e67e22; }

/* [BASE V5] Conteúdo SEO */
.tool-content-wrapper { max-width: 75ch; margin-left: auto; margin-right: auto; margin-top: var(--spacing-xl); padding: 0 var(--spacing-sm); }
.tool-content-wrapper h2 { font-size: 1.8rem; margin-bottom: var(--spacing-md); }
.tool-content-wrapper h3 { font-size: 1.3rem; margin-top: var(--spacing-lg); margin-bottom: var(--spacing-sm); }
.tool-content-wrapper h4 { font-size: 1.1rem; font-weight: 700; margin-top: var(--spacing-md); margin-bottom: 5px; color: var(--c-text-primary); }
.tool-content-wrapper p, .tool-content-wrapper ul, .tool-content-wrapper ol { font-size: 1.05rem; line-height: 1.7; margin-bottom: var(--spacing-lg); }
.tool-content-wrapper blockquote { border-left: 4px solid var(--c-primary); padding-left: 20px; margin: 20px 0; font-style: italic; color: var(--c-text-secondary); }

/* Tabela SEO */
.tool-content-wrapper table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.95rem; border: 1px solid var(--c-border); border-radius: var(--border-radius); overflow: hidden; }
.tool-content-wrapper th, .tool-content-wrapper td { border: 1px solid var(--c-border); padding: 12px; text-align: left; }
.tool-content-wrapper th { background-color: var(--c-surface); font-weight: 700; color: var(--c-text-primary); }
.tool-content-wrapper tbody tr:nth-child(2) td { background-color: rgba(46, 204, 113, 0.1); font-weight: 600; } /* Destaque Normal */

/* Outras Categorias */
.other-tools-section { padding-top: var(--spacing-xl); }
.section-title { text-align: center; font-size: 1.8rem; margin-bottom: var(--spacing-lg); }
.grid.category-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-lg); }