/* =============================================
   CSS Específico - Gerador QR Code (Padrão V5 COMPLETO)
   ============================================= */

:root {
    --timer-color: var(--c-text-primary);
}
body.fullscreen-active {
    overflow: hidden;
}
/* O container desta ferramenta é mais largo */
.tool-container { 
    max-width: 900px; 
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* --- [BASE V5] Breadcrumbs e Cabeçalho --- */
.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); }
.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); }

/* --- [BASE V5] Sub-Navegação --- */
.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] Card Principal --- */
.card.tool-card {
    padding: var(--spacing-lg);
}

/* --- [BASE V5] Estilos de Botão Padrão --- */
.btn { 
    display: inline-block; 
    padding: 0.75rem 1.25rem; 
    font-size: 1rem; 
    font-weight: 600; 
    line-height: 1.5; 
    text-align: center; 
    text-decoration: none; 
    vertical-align: middle; 
    cursor: pointer; 
    -webkit-user-select: none; 
    user-select: none; 
    border: 1px solid transparent; 
    border-radius: var(--border-radius); 
    transition: all var(--transition-fast); 
}
.btn--primary { 
    color: #fff; 
    background-color: var(--c-primary); 
    border-color: var(--c-primary); 
}
.btn--primary:hover { 
    background-color: var(--c-primary-dark); 
    border-color: var(--c-primary-dark); 
}
.btn--xlarge { 
    padding: 1rem 2rem; 
    font-size: 1.1rem; 
}
.btn--full-width { 
    display: block; 
    width: 100%; 
    margin-top: var(--spacing-xl); 
}

/* --- [BASE V5] Estilos de Formulário Padrão --- */
.form-input { 
    box-sizing: border-box; 
    display: block; 
    width: 100%; 
    padding: 0.8rem 1rem; 
    font-size: 1rem; 
    font-family: inherit; 
    line-height: 1.5; 
    background-color: var(--c-surface); 
    border: 1px solid var(--c-border); 
    border-radius: var(--border-radius); 
    color: var(--c-text-primary); 
    transition: all var(--transition-fast); 
}
.form-input:focus { 
    border-color: var(--c-primary); 
    box-shadow: 0 0 0 3px var(--c-primary-alpha); 
    outline: none; 
}
/* Herdado do Gerador de Senha para consistência futura */
.form-range { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; background: var(--c-surface-dark); border: 1px solid var(--c-border); border-radius: 5px; outline: none; cursor: pointer; }
.form-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 20px; height: 20px; background: var(--c-primary); border-radius: 50%; cursor: pointer; border: 3px solid var(--c-background); box-shadow: 0 0 2px rgba(0,0,0,0.2); margin-top: -7px; }
.form-range::-moz-range-thumb { width: 20px; height: 20px; background: var(--c-primary); border-radius: 50%; cursor: pointer; border: 3px solid var(--c-background); box-shadow: 0 0 2px rgba(0,0,0,0.2); }
.form-check { position: relative; padding-left: 30px; line-height: 1.5; }
.form-check input[type="checkbox"] { position: absolute; opacity: 0; width: 1px; height: 1px; }
.form-check label::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; border: 2px solid var(--c-border); border-radius: var(--border-radius-sm); background-color: var(--c-surface); transition: all var(--transition-fast); }
.form-check label::after { content: '✔'; position: absolute; left: 4px; top: 50%; transform: translateY(-50%) scale(0); font-size: 14px; color: #fff; transition: transform var(--transition-fast); }
.form-check input[type="checkbox"]:checked + label::before { background-color: var(--c-primary); border-color: var(--c-primary); }
.form-check input[type="checkbox"]:checked + label::after { transform: translateY(-50%) scale(1); }
.form-check input[type="checkbox"]:focus + label::before { box-shadow: 0 0 0 3px var(--c-primary-alpha); }

/* --- [BASE V5] Estilos de Conteúdo (SEO/FAQ) --- */
.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 p, .tool-content-wrapper ol, .tool-content-wrapper ul { font-size: 1.05rem; line-height: 1.7; margin-bottom: var(--spacing-lg); }
.tool-content-wrapper ol, .tool-content-wrapper ul { padding-left: 30px; }
.tool-content-wrapper li { margin-bottom: var(--spacing-sm); }

/* [BASE V5] "Outras Ferramentas" / Relacionados */
.other-tools-section { padding-top: var(--spacing-xl); }
.section-title { text-align: center; font-size: 1.8rem; margin-bottom: var(--spacing-lg); }
.grid.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-lg); }
.grid.category-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-lg); }
.tools-grid .card--tool h3 { display: flex; align-items: center; gap: var(--spacing-sm); font-size: 1.15rem; }


/* =============================================
   [ESPECÍFICO] Estilos do Gerador de QR Code
   ============================================= */

.tool-grid { 
    display: grid; 
    grid-template-columns: 1fr; 
    gap: var(--spacing-xl); 
}

/* --- Abas (Tabs) --- */
.tabs { 
    display: flex; 
    gap: 5px; 
    margin-bottom: var(--spacing-lg); 
    background-color: var(--c-background); 
    border-radius: 8px; 
    padding: 5px; 
    flex-wrap: wrap; 
    border: 1px solid var(--c-border);
}
.tab-btn { 
    flex: 1 1 0; /* Permite quebra de linha em mobile */
    min-width: 80px;
    background-color: transparent; 
    color: var(--c-text-secondary); 
    border: none; 
    padding: 10px; 
    font-weight: 500; 
    transition: all var(--transition-fast);
}
.tab-btn.active { 
    background-color: var(--c-surface); 
    color: var(--c-text-primary); 
    box-shadow: 0 2px 4px rgba(0,0,0,0.1); 
    border-radius: 6px;
}
.tab-panel { 
    display: none; 
}
.tab-panel.active { 
    display: block; 
}
.tab-panel label {
    display: block; 
    margin-bottom: 8px; 
    font-weight: 500; 
    font-size: 0.9rem;
}
.tab-panel .grid {
    display: grid;
    gap: 20px;
}
.tab-panel .grid[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr; /* Força coluna única em mobile */
}
@media (min-width: 576px) {
    .tab-panel .grid[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr 1fr; /* Volta a duas colunas */
    }
}


/* --- Resultado (QR Code) --- */
#qrcode-result-card { 
    text-align: center; 
}
#qrcode { 
    min-height: 200px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    background-color: #fff; 
    padding: 10px; 
    border-radius: var(--border-radius); 
    margin: var(--spacing-md) 0;
    border: 1px solid var(--c-border);
}
#qrcode img { 
    max-width: 100%; 
    height: auto; 
    display: block;
}
#qrcode p {
    color: var(--c-text-secondary);
    font-size: 0.9rem;
}
#download-btn {
    width: 100%;
    margin-top: 20px;
    display: none; /* JS controla a exibição */
}


/* --- Media Queries --- */
@media (min-width: 768px) { 
    .tool-grid { 
        grid-template-columns: 2fr 1fr; /* Layout 2/1 */
    } 
}