/* Variáveis CSS para Temas */
:root {
    --color-primary: #00A86B; /* Verde principal (dinheiro/crédito) */
    --color-primary-dark: #008050;
    --color-secondary: #00D189; /* Verde mais claro para detalhes */
    --color-text-light: #f5f5f5;
    --color-text-dark: #1a1a1a;
    
    /* Novo Tema Escuro (Blue-Navy/Green-Aqua) */
    --color-background-dark: #0f172a; /* Fundo principal: Quase preto/Azul marinho escuro */
    --color-card-dark: #1e293b; /* Fundo de cards: Azul marinho mais claro */
    --color-accent: #00D189; /* Destaque: Verde-água */
    --color-input-bg-dark: #0f172a; /* Fundo de input: Igual ao fundo principal */
    --color-input-border-dark: #334155; /* Borda de input: Azul acinzentado */
    
    /* Padrão: Tema Escuro (Baseado na imagem) */
    --color-text: var(--color-text-light);
    --color-background: var(--color-background-dark);
    --color-card: var(--color-card-dark);
    --color-input-bg: var(--color-input-bg-dark);
    --color-input-border: var(--color-input-border-dark);
    --color-success: var(--color-accent);
    --color-danger: #ef4444; /* Vermelho para negação */
    --color-border: #334155;
}

.light {
    /* Tema Claro (Fallback) */
    --color-text: var(--color-text-dark);
    --color-background: #f8fafc;
    --color-card: #ffffff;
    --color-input-bg: #ffffff;
    --color-input-border: #e2e8f0;
    --color-border: #e2e8f0;
}

/* Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h2, h4, h5 {
    font-family: 'Montserrat', sans-serif;
    color: var(--color-text);
}

/* Header/Navigation */
.header {
    background-color: var(--color-card);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    background-color: var(--color-accent);
    color: var(--color-background-dark);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    padding: 5px 8px;
    border-radius: 6px;
}

.logo-text {
    line-height: 1.2;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-text);
}

.subtitle {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: -3px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px;
    transition: color 0.3s;
}

.theme-toggle:hover {
    color: var(--color-accent);
}

.btn-dataset {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.btn-dataset:hover {
    background-color: var(--color-input-border);
}

/* Botões */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s, transform 0.1s, box-shadow 0.3s;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-background-dark);
    box-shadow: 0 4px 10px rgba(0, 209, 137, 0.4);
}

.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0, 209, 137, 0.6);
}

.btn-secondary {
    background-color: var(--color-card);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-background-dark);
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    text-decoration: none;
    padding: 0;
    font-size: 0.9rem;
}

.btn-link:hover {
    text-decoration: underline;
}

/* Animação de Carregamento */
.btn-primary.loading {
    background-color: var(--color-primary-dark);
    opacity: 0.7;
    cursor: wait;
    pointer-events: none;
    position: relative;
    color: transparent !important;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    margin-left: -8px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Seções Principais */
main {
    padding: 30px 0;
}

.hero {
    padding-bottom: 40px;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--color-text);
}

.tagline {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.8;
    max-width: 800px;
}

/* Cards de KPI (Key Performance Indicators) */
.kpis-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.kpi-card {
    background-color: var(--color-card);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--color-border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.kpi-card i {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 5px;
}

.kpi-item {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1.2;
}

.kpi-label {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
}

.kpi-sublabel {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Cards Genéricos */
.card {
    background-color: var(--color-card);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

.card h4 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
    color: var(--color-accent);
}

.card h4 i {
    margin-right: 10px;
}

/* Configuração da API */
.config-section {
    padding-bottom: 30px;
}

.config-card {
    position: relative;
}

.status-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge.connected {
    background-color: rgba(0, 209, 137, 0.2);
    color: var(--color-accent);
}

.status-badge.disconnected {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.config-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 20px;
    align-items: flex-end;
}

.config-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.version-text {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Formulário de Análise */
.analysis-section {
    padding-bottom: 30px;
}

.credit-form {
    margin-top: 20px;
}

.form-group-section {
    margin-bottom: 20px;
    padding: 15px 0;
    border-top: 1px solid var(--color-border);
}

.form-group-section h5 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 15px;
    opacity: 0.9;
}

.form-group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

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

.form-group label {
    font-weight: 500;
    margin-bottom: 5px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.form-group input, .form-group select {
    padding: 10px;
    border: 1px solid var(--color-input-border);
    border-radius: 6px;
    background-color: var(--color-input-bg);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 209, 137, 0.3);
    outline: none;
}

.help-text {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: 5px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

/* Resultados */
.results-section {
    padding-bottom: 60px;
}

.result-display {
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
    transition: background-color 0.5s, box-shadow 0.5s;
}

.result-display h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    margin-top: 10px;
    margin-bottom: 15px;
}

.result-display p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.result-approved {
    background-color: rgba(0, 209, 137, 0.1);
    border: 2px solid var(--color-success);
    color: var(--color-success);
}

.result-approved h4 {
    color: var(--color-success);
}

.result-denied {
    background-color: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--color-danger);
    color: var(--color-danger);
}

.result-denied h4 {
    color: var(--color-danger);
}

/* Anel de Confiança */
.score-ring {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    background-color: var(--color-card);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
    border: 5px solid var(--color-input-border);
}

.score-ring::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 10px solid var(--color-card);
    border-top-color: var(--color-accent);
    transform: rotate(var(--rotation, 45deg)); /* Default 45deg (0%) */
    transition: transform 1s ease-out;
}

.result-approved .score-ring {
    border-color: var(--color-success);
}

.result-denied .score-ring {
    border-color: var(--color-danger);
}

.feature-importance {
    margin-top: 20px;
    font-size: 0.95rem;
    padding: 15px;
    background-color: var(--color-input-bg);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
    text-align: left;
    margin: 20px auto 0;
    max-width: 80%;
}

.feature-importance strong {
    color: var(--color-accent);
}

/* Detalhes Técnicos */
.details-toggle {
    text-align: center;
    margin-top: 20px;
}

.technical-details {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--color-input-bg);
    border-radius: 10px;
    border: 1px solid var(--color-border);
}

.technical-details h5 {
    color: var(--color-accent);
    margin-bottom: 15px;
}

.code-block {
    background-color: var(--color-background-dark);
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: monospace;
    font-size: 0.85rem;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid var(--color-input-border);
}

/* Footer */
.footer {
    background-color: var(--color-card);
    padding: 15px 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    opacity: 0.7;
}

.footer i {
    color: var(--color-danger);
}

/* Utilidades */
.hidden {
    display: none !important;
}

/* Responsividade */
@media (max-width: 992px) {
    .kpis-summary {
        grid-template-columns: repeat(2, 1fr);
    }
    .config-grid {
        grid-template-columns: 1fr;
    }
    .config-actions {
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .kpis-summary {
        grid-template-columns: 1fr;
    }
    .hero-content h2 {
        font-size: 2rem;
    }
    .header .container {
        flex-direction: column;
        gap: 10px;
    }
    .nav {
        justify-content: center;
    }
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
}