@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --sfp-bg-color: #111827;
    --sfp-text-color: #d1d5db;
    --sfp-border-color: #374151;
    --sfp-container-bg: rgba(31, 41, 55, 0.7);
    --sfp-primary-gradient: linear-gradient(90deg, #3b82f6, #6366f1);
    --sfp-font-family: 'Inter', sans-serif;
}

.sfp-simulator-wrapper {
    font-family: var(--sfp-font-family);
    max-width: 900px;
    margin: 40px auto;
    padding: 30px;
    background-color: var(--sfp-bg-color);
    color: var(--sfp-text-color);
    border: 1px solid var(--sfp-border-color);
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    overflow: hidden;
    background-image: radial-gradient(circle at top right, rgba(14, 165, 233, 0.1), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.1), transparent 40%);
}
.sfp-title {
    color: #f9fafb;
    text-align: center;
    font-size: 28px;
    margin-bottom: 10px;
}
.sfp-subtitle {
    text-align: center;
    color: #9ca3af;
    margin-bottom: 30px;
    font-size: 16px;
}
.sfp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}
.sfp-form-group {
    display: flex;
    flex-direction: column;
}
.sfp-form-group.sfp-full-width {
    grid-column: 1 / -1;
}
.sfp-form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: #d1d5db;
    font-size: 14px;
}
.sfp-form-group input, .sfp-form-group select {
    padding: 12px;
    border: 1px solid var(--sfp-border-color);
    border-radius: 8px;
    font-size: 16px;
    background-color: #1f2937;
    color: var(--sfp-text-color);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.sfp-form-group input:disabled {
    background-color: #374151;
    cursor: not-allowed;
}
.sfp-form-group input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #1f2937 inset !important;
    -webkit-text-fill-color: var(--sfp-text-color) !important;
}
.sfp-form-group input[type='date']::-webkit-calendar-picker-indicator {
    filter: invert(1);
}
.sfp-form-group input:focus, .sfp-form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4);
}
.sfp-range-value-container {
    text-align: center;
    margin-top: 8px;
}
.sfp-range-value {
    font-weight: bold;
    color: #e5e7eb;
    background-color: #374151;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 14px;
}
.sfp-button-group {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}
.sfp-button {
    width: 100%;
    padding: 15px;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    background: var(--sfp-primary-gradient);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}
.sfp-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}
.sfp-button-secondary {
    background: #374151;
    box-shadow: none;
}
.sfp-button-secondary:hover:not(:disabled) {
    background: #4b5563;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
.sfp-radio-group-title {
    font-weight: 600;
    color: #60a5fa;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 16px;
    border-bottom: 1px solid var(--sfp-border-color);
    padding-bottom: 5px;
}
.sfp-radio-button-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}
.sfp-radio-button {
    padding: 12px;
    border: 1px solid var(--sfp-border-color);
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.15));
    text-align: center;
    color: var(--sfp-text-color);
}
.sfp-radio-button:hover {
    border-color: #3b82f6;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.3), rgba(99, 102, 241, 0.3));
}
.sfp-radio-button.sfp-active {
    background: var(--sfp-primary-gradient);
    color: white;
    border: 2px solid #60a5fa;
    font-weight: bold;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
    transform: scale(1.02);
}
.sfp-fgts-group {
    margin-top: 20px;
    background-color: rgba(59, 130, 246, 0.1);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}
.sfp-fgts-group .sfp-fgts-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}
.sfp-fgts-group input[type='checkbox'] {
    width: 18px;
    height: 18px;
    margin-right: 12px;
    accent-color: #3b82f6;
}
.sfp-fgts-group label {
    margin-bottom: 0;
    font-weight: normal;
    font-size: 15px;
    color: #e5e7eb;
}
.sfp-results-wrapper {
    margin-top: 30px;
    padding: 25px;
    background-color: var(--sfp-container-bg);
    border: 1px solid var(--sfp-border-color);
    border-radius: 8px;
}
.sfp-results-title {
    color: #f9fafb;
    border-bottom: 1px solid var(--sfp-border-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.sfp-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.sfp-result-item {
    background: #1f2937;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--sfp-border-color);
    display: flex;
    align-items: center;
    gap: 15px;
}
.sfp-result-item .sfp-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background-color: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #60a5fa;
}
.sfp-result-item .sfp-icon svg {
    width: 20px;
    height: 20px;
}
.sfp-result-item .sfp-result-text {
    flex-grow: 1;
}
.sfp-result-item h4 {
    margin: 0 0 4px 0;
    font-size: 14px;
    color: #9ca3af;
    text-transform: uppercase;
}
.sfp-result-item p {
    margin: 0;
    font-size: 22px;
    font-weight: bold;
    color: #f9fafb;
}
.sfp-error-message {
    color: #fca5a5;
    background-color: rgba(220, 38, 38, 0.2);
    border: 1px solid rgba(220, 38, 38, 0.5);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}
.sfp-amortization-table {
    width: 100%;
    margin-top: 30px;
    border-collapse: collapse;
}
.sfp-amortization-table th, .sfp-amortization-table td {
    border: 1px solid var(--sfp-border-color);
    padding: 10px;
    text-align: center;
    font-size: 14px;
}
.sfp-amortization-table th {
    background-color: #1f2937;
    color: #e5e7eb;
    font-weight: bold;
}
.sfp-amortization-table tbody tr:nth-child(even) {
    background-color: rgba(55, 65, 81, 0.3);
}
.sfp-loading-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: sfp-spin 1s linear infinite;
    margin: 20px auto;
}
@keyframes sfp-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =================================================================== */
/* ============== ESTILOS PARA O LINK DE TELA CHEIA ================== */
/* =================================================================== */
.sfp-fullscreen-link {
    display: none;
}
.sfp-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #10b981;
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease-in-out, bottom 0.3s ease-in-out;
}
.sfp-toast.sfp-toast-show {
    bottom: 30px;
    visibility: visible;
    opacity: 1;
}

/* =================================================================== */
/* ============== OTIMIZAÇÕES AVANÇADAS PARA MOBILE ================== */
/* =================================================================== */

@media (max-width: 768px) {

    /* --- 1. ROBUSTEZ E LAYOUT BASE --- */
    #sfp-simulator-container.sfp-simulator-wrapper {
        padding: 25px 20px;
        margin: 0 auto;
        min-height: 100vh;
        border-radius: 0;
    }

    /* --- 2. TIPOGRAFIA FLUIDA --- */
    #sfp-simulator-container .sfp-title {
        font-size: clamp(1.5rem, 6vw, 1.8rem);
        line-height: 1.2;
    }
    #sfp-simulator-container .sfp-subtitle {
        font-size: clamp(0.9rem, 4vw, 1rem);
        line-height: 1.5;
        margin-bottom: 35px;
    }
    #sfp-simulator-container .sfp-form-group label {
        font-size: clamp(0.85rem, 3.8vw, 0.95rem);
        margin-bottom: 10px;
    }
    #sfp-simulator-container .sfp-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    /* --- 3. CONTROLES DE FORMULÁRIO OTIMIZADOS --- */
    #sfp-simulator-container .sfp-radio-button-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    #sfp-simulator-container .sfp-radio-button {
        padding: 15px 10px;
        font-size: 14px;
        font-weight: 500;
    }
    #sfp-simulator-container input[type="range"] {
        -webkit-appearance: none; appearance: none; width: 100%; height: 8px; background: #374151; border-radius: 5px; outline: none; padding: 0; margin: 10px 0;
    }
    #sfp-simulator-container input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none; appearance: none; width: 24px; height: 24px; background: var(--sfp-primary-gradient); cursor: pointer; border-radius: 50%; border: 3px solid #fff;
    }
    #sfp-simulator-container input[type="range"]::-moz-range-thumb {
        width: 24px; height: 24px; background: var(--sfp-primary-gradient); cursor: pointer; border-radius: 50%; border: 3px solid #fff;
    }

    /* --- 4. BOTÕES DE AÇÃO --- */
    #sfp-simulator-container .sfp-button-group {
        flex-direction: column;
        gap: 15px;
        margin-top: 35px;
    }
    #sfp-simulator-container .sfp-button {
        width: 100%;
        padding: 16px;
        font-size: 1rem;
    }
    
    /* ============================================================== */
    /* --- 5. RESULTADOS COM NOVO LAYOUT VERTICAL (ESTILO CARD) --- */
    /* ============================================================== */
    #sfp-simulator-container .sfp-results-wrapper {
        padding: 25px 20px;
        margin-top: 35px;
    }
    #sfp-simulator-container .sfp-results-title {
         font-size: clamp(1.1rem, 5vw, 1.3rem);
    }
    
    /* MUDANÇA: Voltamos a usar 'gap' para espaçar os cards */
    #sfp-simulator-container .sfp-results-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        /* Removemos os estilos de 'lista' da iteração anterior */
        background-color: transparent;
        border: none;
        border-radius: 0;
        overflow: visible;
    }

    /* MUDANÇA: Cada item volta a ser um card individual */
    #sfp-simulator-container .sfp-result-item {
        background: #1f2937;
        border: 1px solid var(--sfp-border-color);
        border-radius: 12px; /* Bordas arredondadas para o card */
        padding: 16px;
        align-items: flex-start; /* Alinha o conteúdo à esquerda */
    }
    
    /* MUDANÇA-CHAVE: Transforma o layout em coluna (empilhado) */
    #sfp-simulator-container .sfp-result-item .sfp-result-text {
        display: flex;
        flex-direction: column;   /* <<< A MÁGICA ACONTECE AQUI */
        align-items: flex-start;  /* Alinha tudo à esquerda */
        justify-content: center;
        width: 100%;
        gap: 4px; /* Adiciona um pequeno espaço entre o título e o valor */
    }
    
    /* MUDANÇA: Estilo do título (label) no novo layout */
    #sfp-simulator-container .sfp-result-item h4 {
        margin: 0;
        font-size: 0.75rem; /* 12px - Bem menor para servir como label */
        font-weight: 600;
        text-transform: uppercase; /* Deixa claro que é um label */
        color: #9ca3af;
        line-height: 1;
    }

    /* MUDANÇA: Estilo do valor no novo layout */
    #sfp-simulator-container .sfp-result-item p {
        margin: 0;
        font-size: 1.5rem; /* 24px - Bem maior para dar destaque */
        font-weight: 700;
        color: #f9fafb;
        line-height: 1.2;
    }

    /* Mantém as regras do link de tela cheia */
    #sfp-simulator-container .sfp-fullscreen-link {
        display: block; text-align: center; margin: -15px auto 30px auto; padding: 8px 12px; background-color: rgba(59, 130, 246, 0.15); border: 1px solid var(--sfp-border-color); border-radius: 8px; color: #60a5fa; font-size: 14px; font-weight: 600; text-decoration: none; transition: background-color 0.2s;
    }
    body .sfp-fullscreen-link {
        display: none !important;
    }
}