:root {
    --orange-soda: #E83F38;
    --preto: #262626;
    --navy-blue: #05172D;
    --silver: #E6E5EB;
    --ambrosia-marfim: #e6dfd8;

    --font-primary: "Public Sans", system-ui, -apple-system, "Segoe UI",
        Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;

    --font-secondary: "DM Mono", ui-monospace, SFMono-Regular,
        Menlo, Monaco, Consolas, "Liberation Mono",
        "Courier New", monospace;

    --erro: var(--orange-soda);
    --superficie: rgba(230, 229, 235, 0.06);
    --borda: rgba(230, 229, 235, 0.18);
    --texto-secundario: rgba(230, 229, 235, 0.7);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--silver);
    background: var(--navy-blue);
    line-height: 1.6;
    font-size: 16px;
}

/* ---------- utilidades ---------- */

[hidden] {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- estrutura ---------- */

#app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 16px 96px;
}

.topo {
    padding: 8px 0 20px;
}

.topo .marca {
    font-family: var(--font-secondary);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--texto-secundario);
    margin-bottom: 4px;
}

.topo h1 {
    font-size: clamp(1.3rem, 5vw, 1.75rem);
    font-weight: 600;
}

.layout {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.coluna-formulario,
.coluna-resultado {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cartao {
    background: var(--superficie);
    border: 1px solid var(--borda);
    border-radius: 16px;
    padding: 20px;
}

.cartao h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.ajuda {
    font-size: 0.85rem;
    color: var(--texto-secundario);
    margin-bottom: 16px;
}

/* ---------- campos ---------- */

.campo {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.campo:last-child {
    margin-bottom: 0;
}

.campo label {
    font-size: 0.85rem;
    color: var(--texto-secundario);
}

.campo-duplo {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

input[type='text'],
input[type='number'],
input[type='date'],
input[type='month'],
select {
    height: 48px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid var(--borda);
    background: var(--navy-blue);
    color: var(--silver);
    font-family: var(--font-secondary);
    font-size: 1rem;
}

select {
    font-family: var(--font-primary);
}

input:focus-visible,
select:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--orange-soda);
    outline-offset: 2px;
}

/* ---------- plano de pagamento ---------- */

.barra-composicao {
    display: flex;
    height: 10px;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--navy-blue);
}

.fatia {
    height: 100%;
    transition: flex-basis 0.15s ease;
}

.fatia-entrada { background: var(--orange-soda); }
.fatia-parcelas { background: var(--ambrosia-marfim); }
.fatia-intercaladas { background: var(--silver); }
.fatia-chaves { background: var(--texto-secundario); }

.linha-plano {
    padding: 14px 0;
    border-top: 1px solid var(--borda);
}

.linha-plano:first-of-type {
    border-top: none;
}

.linha-cabeca {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.linha-cabeca label {
    font-size: 0.95rem;
    font-weight: 500;
}

.botao-cadeado {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border-radius: 10px;
    border: 1px solid var(--borda);
    background: transparent;
    color: var(--silver);
    font-size: 1.1rem;
    cursor: pointer;
}

.botao-cadeado[aria-pressed='true'] {
    background: var(--orange-soda);
    border-color: var(--orange-soda);
}

.campo-select {
    margin-bottom: 12px;
}

input[type='range'] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 44px;
    background: transparent;
    margin-bottom: 10px;
}

input[type='range']::-webkit-slider-runnable-track {
    height: 8px;
    border-radius: 999px;
    background: var(--borda);
}

input[type='range']::-moz-range-track {
    height: 8px;
    border-radius: 999px;
    background: var(--borda);
}

input[type='range']::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--orange-soda);
    border: 3px solid var(--navy-blue);
    margin-top: -10px;
    cursor: pointer;
}

input[type='range']::-moz-range-thumb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--orange-soda);
    border: 3px solid var(--navy-blue);
    cursor: pointer;
}

input[type='range']:disabled::-webkit-slider-thumb {
    background: var(--texto-secundario);
}

input[type='range']:disabled::-moz-range-thumb {
    background: var(--texto-secundario);
}

.linha-valores {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.linha-valores .pct {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--texto-secundario);
    min-width: 52px;
}

.linha-valores .input-reais {
    flex: 1;
    min-width: 140px;
}

.badge-parcelas {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border-radius: 6px;
    background: var(--superficie);
    border: 1px solid var(--borda);
    font-family: var(--font-secondary);
    font-size: 0.8rem;
    color: var(--texto-secundario);
    white-space: nowrap;
}

/* ---------- resultado ---------- */

.resultado .alerta-erro {
    background: rgba(232, 63, 56, 0.12);
    border: 1px solid var(--erro);
    color: var(--silver);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.resumo-neutro {
    color: var(--texto-secundario);
}

.numero-grande {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
}

.numero-grande .rotulo {
    font-size: 0.85rem;
    color: var(--texto-secundario);
}

.numero-grande .valor {
    font-family: var(--font-secondary);
    font-size: clamp(1.75rem, 8vw, 2.5rem);
    font-weight: 500;
    line-height: 1.15;
    word-break: break-word;
}

.numero-medio .valor {
    font-size: clamp(1.4rem, 6vw, 1.9rem);
}

.numero-grande .secundario {
    font-size: 0.85rem;
    color: var(--texto-secundario);
}

.grupo-detalhe {
    margin-bottom: 16px;
}

.grupo-detalhe:last-child {
    margin-bottom: 0;
}

.rotulo-pequeno {
    display: block;
    font-size: 0.8rem;
    color: var(--texto-secundario);
    margin-bottom: 6px;
}

.grupo-repetido {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.grupo-repetido .valor-unitario {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 500;
}

.grupo-repetido .valor-total {
    font-size: 0.8rem;
    color: var(--texto-secundario);
    width: 100%;
}

.valor-medio {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
}

/* ---------- projeção / gráfico / tabela ---------- */

.grafico-container {
    position: relative;
    height: 220px;
    margin-bottom: 16px;
}

#detalhe-fluxo summary {
    cursor: pointer;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--texto-secundario);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.tabela-scroll {
    overflow-x: auto;
    margin-top: 8px;
}

#tabela-fluxo {
    border-collapse: collapse;
    width: 100%;
    min-width: 480px;
    font-family: var(--font-secondary);
    font-size: 0.85rem;
}

#tabela-fluxo th,
#tabela-fluxo td {
    text-align: right;
    padding: 8px 10px;
    border-bottom: 1px solid var(--borda);
    white-space: nowrap;
}

#tabela-fluxo th:first-child,
#tabela-fluxo td:first-child {
    text-align: left;
}

/* ---------- resumo fixo (mobile) ---------- */

.resumo-fixo-mobile {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: var(--navy-blue);
    border-top: 1px solid var(--borda);
    z-index: 10;
}

.resumo-fixo-mobile div {
    display: flex;
    flex-direction: column;
}

.resumo-fixo-rotulo {
    font-size: 0.7rem;
    color: var(--texto-secundario);
}

.resumo-fixo-valor {
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 500;
}

/* ---------- rodapé ---------- */

.rodape {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--borda);
}

.rodape p {
    font-size: 0.78rem;
    color: var(--texto-secundario);
}

/* ---------- telas maiores ---------- */

@media (min-width: 900px) {
    #app {
        padding: 32px 24px 48px;
    }

    .layout {
        flex-direction: row;
        align-items: flex-start;
    }

    .coluna-formulario,
    .coluna-resultado {
        flex: 1;
        min-width: 0;
    }

    .coluna-resultado {
        position: sticky;
        top: 24px;
    }

    .campo-duplo {
        flex-direction: row;
    }

    .campo-duplo .campo {
        flex: 1;
    }

    .resumo-fixo-mobile {
        display: none;
    }

    .grafico-container {
        height: 320px;
    }
}