/* ============================================
   TOOLS MODULE - CSS MODERNO
   Portal WebEngine Theme
   ============================================ */

/* Variáveis locais (fallback caso style.css não tenha) */
:root {
    --tool-accent: #6366f1;
    --tool-accent-hover: #4f46e5;
    --tool-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --tool-bg: #f8fafc;
    --tool-card: #ffffff;
    --tool-border: #e2e8f0;
    --tool-text: #1e293b;
    --tool-text-muted: #64748b;
    --tool-success: #22c55e;
    --tool-warning: #f59e0b;
    --tool-danger: #ef4444;
    --tool-radius: 16px;
    --tool-radius-sm: 10px;
    --tool-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

[data-theme="dark"] {
    --tool-bg: #0f172a;
    --tool-card: #1e293b;
    --tool-border: #334155;
    --tool-text: #f1f5f9;
    --tool-text-muted: #94a3b8;
    --tool-shadow: 0 4px 24px rgba(0,0,0,0.25);
}

/* Reset local */
.tool-page * {
    box-sizing: border-box;
}

.tool-page {
    min-height: 100vh;
    background: var(--tool-bg);
    color: var(--tool-text);
    font-family: 'DM Sans', sans-serif;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.tool-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    align-items: start;
}

.tool-main {
    min-width: 0;
}

.tool-sidebar {
    position: sticky;
    top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ============================================
   HEADER DA FERRAMENTA
   ============================================ */
.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--tool-accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-decoration: none;
    transition: all 0.2s;
}

.back-link:hover {
    transform: translateX(-4px);
    opacity: 0.8;
}

.tool-header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--tool-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-header p {
    color: var(--tool-text-muted);
    font-size: 1.05rem;
}

/* ============================================
   CARDO PRINCIPAL
   ============================================ */
.tool-card {
    background: var(--tool-card);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius);
    padding: 2rem;
    box-shadow: var(--tool-shadow);
    margin-bottom: 1.5rem;
}

.tool-form {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tool-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.9rem 1rem;
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    color: var(--tool-text);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--tool-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group input::placeholder {
    color: var(--tool-text-muted);
    opacity: 0.6;
}

/* ============================================
   BOTÃO PRINCIPAL
   ============================================ */
.btn-calcular,
.btn-gerar,
.btn-converter {
    width: 100%;
    padding: 1rem;
    background: var(--tool-gradient);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--tool-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    margin-top: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-calcular:hover,
.btn-gerar:hover,
.btn-converter:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-calcular:active,
.btn-gerar:active,
.btn-converter:active {
    transform: translateY(0);
}

/* ============================================
   RESULTADO
   ============================================ */
.tool-result {
    padding: 2rem;
    background: var(--tool-bg);
    border-radius: var(--tool-radius);
    text-align: center;
    margin-top: 1.5rem;
    border: 1px solid var(--tool-border);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1rem;
}

.result-number {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    background: var(--tool-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label {
    font-size: 0.85rem;
    color: var(--tool-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.result-classification {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: var(--tool-card);
    border-radius: var(--tool-radius-sm);
    display: inline-block;
    border: 1px solid var(--tool-border);
    margin-top: 0.5rem;
}

.result-details {
    margin-top: 1rem;
    text-align: left;
}

.result-details p {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--tool-border);
    color: var(--tool-text-muted);
}

.result-details p:last-child {
    border-bottom: none;
}

.result-details strong {
    color: var(--tool-text);
}

/* ============================================
   CONVERSOR UNIDADES (swap button)
   ============================================ */
.swap-row {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    margin: 1rem 0;
}

.swap-btn {
    padding: 0.9rem 1.2rem;
    background: var(--tool-card);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    cursor: pointer;
    font-size: 1.3rem;
    transition: all 0.2s;
    color: var(--tool-text);
}

.swap-btn:hover {
    background: var(--tool-accent);
    color: #fff;
    border-color: var(--tool-accent);
    transform: rotate(180deg);
}

/* ============================================
   TABELA INFO
   ============================================ */
.tool-info {
    padding-top: 1.5rem;
    border-top: 1px solid var(--tool-border);
    margin-top: 1.5rem;
}

.tool-info h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--tool-text);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--tool-border);
    font-size: 0.9rem;
    color: var(--tool-text-muted);
}

.info-table tr:last-child td {
    border-bottom: none;
}

.info-table td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--tool-accent);
}

/* ============================================
   ESPAÇO PARA ANÚNCIOS
   ============================================ */
.ad-banner {
    background: var(--tool-card);
    border: 2px dashed var(--tool-border);
    border-radius: var(--tool-radius);
    padding: 1.5rem;
    text-align: center;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.ad-banner:hover {
    border-color: var(--tool-accent);
}

.ad-banner-label {
    font-size: 0.75rem;
    color: var(--tool-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
}

.ad-banner-icon {
    font-size: 1.5rem;
    opacity: 0.5;
}

.ad-banner-text {
    font-size: 0.85rem;
    color: var(--tool-text-muted);
}

/* Banner horizontal */
.ad-banner-horizontal {
    min-height: 100px;
}

/* ============================================
   CARD DE INDICAÇÃO / OUTRAS FERRAMENTAS
   ============================================ */
.tools-related {
    background: var(--tool-card);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius);
    padding: 1.5rem;
}

.tools-related h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--tool-text);
}

.tools-related-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tool-related-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    text-decoration: none;
    color: var(--tool-text);
    transition: all 0.2s;
}

.tool-related-item:hover {
    border-color: var(--tool-accent);
    transform: translateX(4px);
}

.tool-related-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tool-card);
    border-radius: 8px;
    flex-shrink: 0;
}

.tool-related-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.1rem;
}

.tool-related-info p {
    font-size: 0.75rem;
    color: var(--tool-text-muted);
    margin: 0;
}

/* ============================================
   SHARE / ACTIONS
   ============================================ */
.tool-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.tool-action-btn {
    flex: 1;
    padding: 0.75rem;
    background: var(--tool-card);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    color: var(--tool-text);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tool-action-btn:hover {
    border-color: var(--tool-accent);
    color: var(--tool-accent);
}

/* ============================================
   RESPONSIVO
   ============================================ */
@media (max-width: 900px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }
    
    .tool-sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 600px) {
    .tool-layout {
        padding: 1rem;
    }
    
    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }
    
    .result-number {
        font-size: 2.5rem;
    }
    
    .tool-card {
        padding: 1.5rem;
    }
    
    .tool-header h1 {
        font-size: 1.6rem;
    }
    
    .tool-actions {
        flex-direction: column;
    }
}