:root {
    --fonte-titulos: 'Poppins', sans-serif;
    --texto: 'Inter', sans-serif;
    --cor-primaria: #1E3A8A;
    --cor-secundaria: #2563EB;
    --cor-destaque: #FBBF24;
    --bg-principal: #F9FAFB;
    --cor-texto: #111827;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-principal);
    color: var(--cor-texto);
    font-family: var(--texto);
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem; 
}

.menu a {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--cor-primaria);
    color: white;
    padding: 10px 22px;
    border-radius: 8px;
    font-family: var(--fonte-titulos);
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
    z-index: 999;
    transition: all 0.3s ease;
    text-decoration: none;
    outline: none;
    border: none;
    cursor: pointer;
}

.menu a:hover {
    background: var(--cor-destaque);
    transform: translateX(-50%) scale(1.05);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
}

header {
    text-align: center;
    margin-bottom: clamp(2rem, 6vw, 3rem);     
    margin-top: clamp(4rem, 15vw, 5.5rem); 
}

header h1 {
    font-family: var(--fonte-titulos);
    color: var(--cor-primaria);
    font-size: clamp(1.75rem, 6vw, 2.25rem);
}

header p {
    color: #374151;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
}

.card {
    background-color: white;
    border-radius: 12px;
    padding: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 2rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--cor-secundaria);
}

.card h2 {
    font-family: var(--fonte-titulos);
    color: var(--cor-primaria);
    border-bottom: 2px solid var(--cor-secundaria);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

#simulation-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--cor-primaria);
}

input, select {
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #D1D5DB;
    border-radius: 6px;
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--cor-secundaria);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

button {
    grid-column: 1 / -1;
    padding: 14px;
    background-color: var(--cor-secundaria);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--texto);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

button:hover {
    background-color: var(--cor-destaque);
}

button:active {
    transform: scale(0.98);
}

#loading-spinner {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--cor-secundaria);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 40px auto;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

#summary-table-container table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

#summary-table-container th, #summary-table-container td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #E5E7EB;
}

#summary-table-container th {
    background-color: #F3F4F6;
    color: var(--cor-primaria);
}

#summary-table-container td:last-child {
    font-weight: 600;
    color: var(--cor-texto);
}

.summary-title {
    color: var(--cor-primaria);
    margin-top: 1.5rem;
    font-size: 1.1rem;
}

.summary-title-asset {
    color: var(--cor-secundaria);
    margin-top: 1rem;
}

#chart-container {
    position: relative;
    height: clamp(300px, 60vh, 450px);
}

.hidden {
    display: none !important;
}

footer {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #6B7280;
}
@media (max-width: 768px) {

    #summary-table-container table,
    #summary-table-container thead,
    #summary-table-container tbody,
    #summary-table-container th,
    #summary-table-container td,
    #summary-table-container tr {
        display: block;
    }

    #summary-table-container thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    
    #summary-table-container tr {
        border: 1px solid #ccc;
        margin-bottom: 1rem;
        border-radius: 8px;
    }

    #summary-table-container td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 50%; 
        text-align: right; 
    }
    #summary-table-container td:before {
        position: absolute;
        top: 50%;
        left: 12px;
        transform: translateY(-50%);
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: bold;
        color: var(--cor-primaria);
    }
    #summary-table-container tbody tr:nth-of-type(1) td:nth-of-type(1):before { content: "Mês"; }
    #summary-table-container tbody tr:nth-of-type(1) td:nth-of-type(2):before { content: "Valor Investido"; }
    #summary-table-container tbody tr:nth-of-type(1) td:nth-of-type(3):before { content: "Juros"; }
    #summary-table-container tbody tr:nth-of-type(1) td:nth-of-type(4):before { content: "Total"; }
    #summary-table-container td:nth-child(1)::before { content: "Mês"; }
    #summary-table-container td:nth-child(2)::before { content: "Valor Investido"; }
    #summary-table-container td:nth-child(3)::before { content: "Juros"; }
    #summary-table-container td:nth-child(4)::before { content: "Total"; }

    
}

#info-card {
    margin-bottom: 2rem;
    border-left: none;
}

#info-card h2 {
    border-bottom-color: var(--cor-secundaria);
}

#info-card h3 {
    font-family: var(--fonte-titulos);
    color: var(--cor-primaria);
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

#info-card ul {
    list-style-position: inside;
    padding-left: 10px;
    margin-top: 1rem;
}

#info-card li {
    margin-bottom: 0.5rem;
}

#info-card code {
    background-color: #f3f4f6;
    padding: 3px 6px;
    border-radius: 4px;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.9rem;
    color: var(--cor-primaria);
    font-weight: 600;
}

#info-card p {
    margin-bottom: 0.75rem;
}