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

/* --- [BASE V5] Estrutura e Breadcrumbs --- */
.tool-container { max-width: 800px; }
.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; }

/* --- CORREÇÃO 1: Header Centralizado --- */
.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); }

/* --- CORREÇÃO 2: Subnav Padrão V5 (Cópia Exata) --- */
.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); }

/* --- [BASE V5] Formulários e Inputs --- */
.form-group { margin-bottom: var(--spacing-lg); width: 100%; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 0.9rem; text-align: left; }

.form-input {
    display: block; width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--c-text-primary);
    background-color: var(--c-background);
    background-clip: padding-box;
    border: 1px solid var(--c-border);
    appearance: none;
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.form-input:focus {
    border-color: var(--c-primary);
    outline: 0;
    box-shadow: 0 0 0 0.25rem var(--c-primary-alpha);
}

/* ==========================================================
   [ESPECÍFICO] Estilos da Ferramenta
   ========================================================== */

.calculadora-header { text-align: center; margin-bottom: 25px; }
.calculadora-header h2 { font-size: 1.8rem; line-height: 1.2; }
.calculadora-header p { font-size: 1.1rem; max-width: 700px; margin: 10px auto 0; color: var(--c-text-secondary); }

/* --- CORREÇÃO 3: Abas (Padrão V5 "Juros Compostos") --- */
.tabs { 
    display: flex; 
    justify-content: flex-start; /* Mobile-first: esquerda */
    border-bottom: 2px solid var(--c-border); 
    margin-bottom: 25px; 
    overscroll-behavior-x: contain;
    
    /* Rolagem no celular */
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-link { 
    padding: 10px 20px; 
    cursor: pointer; 
    border: none; 
    background: none; 
    font-size: 1rem; 
    font-weight: 500; 
    color: var(--c-text-secondary); 
    border-bottom: 2px solid transparent; 
    margin-bottom: -2px; 
    transition: color 0.2s ease-in-out, border-color 0.2s ease-in-out; 
    white-space: nowrap; 
}
.tab-link:hover { color: var(--c-primary); }
.tab-link.active { color: var(--c-primary); border-bottom-color: var(--c-primary); }

.tab-content { display: none; padding-top: 10px; }
.tab-content.active { display: block; animation: fadeIn 0.3s; }
.tab-description { font-size: 0.95rem; color: var(--c-text-secondary); text-align: center; margin-bottom: 20px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* --- CORREÇÃO 4: Grid de Inputs que NÃO VAZA (Responsivo) --- */
.form-grid-percent {
    display: grid;
    /* Usa o padrão minmax para quebrar linha em telas pequenas */
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

/* Ajuste do separador ("de", "para") */
.form-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--c-text-secondary);
    font-weight: 500;
    padding-bottom: 15px; /* Alinha visualmente com inputs */
    min-width: 40px;
}

/* RESULTADOS */
.resultado-box {
    margin-top: 25px;
    padding: 25px;
    background-color: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all 0.3s ease;
}
.resultado-box p { margin: 5px 0; font-size: 1.1rem; color: var(--c-text-primary); }
.resultado-box p.valor-final { font-size: 1.8rem; font-weight: 600; margin-top: 10px; }
.resultado-box .valor-destaque { color: var(--c-primary); }
.resultado-box .valor-destaque.aumento { color: var(--c-success); }
.resultado-box .valor-destaque.diminuicao { color: var(--c-error); }

/* --- RESPONSIVIDADE --- */
@media (min-width: 600px) {
    .tabs { justify-content: center; overflow-x: hidden; } /* Centraliza no desktop */
}

/* [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 ul { padding-left: 30px; }
.tool-content-wrapper li { margin-bottom: var(--spacing-sm); }
.tool-content-wrapper code { background-color: var(--c-surface); padding: 2px 6px; border-radius: 4px; font-family: monospace; font-size: 0.9em; border: 1px solid var(--c-border); }
.tool-content-wrapper blockquote { border-left: 4px solid var(--c-primary); margin: 1.5em 0; padding: 10px 20px; background-color: var(--c-surface); font-style: italic; }

/* [BASE V5] 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); }