/* SimplificaCambio — CSS puro, inspirado no Material Design 3 do Google */

@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Text:wght@400;500;700&family=Roboto:wght@400;500;700&display=swap');

:root {
    /* Cores no espírito M3 (baseline blue) */
    --md-primary: #0b57d0;
    --md-on-primary: #ffffff;
    --md-primary-container: #d3e3fd;
    --md-on-primary-container: #041e49;

    --md-success: #146c2e;
    --md-success-container: #c4eed0;
    --md-on-success-container: #072711;

    --md-error: #b3261e;
    --md-error-container: #f9dedc;
    --md-on-error-container: #410e0b;

    --md-warn-container: #fff2c7;
    --md-on-warn-container: #4a3a00;

    --md-surface: #fffbff;
    --md-surface-container-low: #f7f8fc;
    --md-surface-container: #f1f3f9;
    --md-surface-container-high: #eaecf3;
    --md-on-surface: #1a1c1e;
    --md-on-surface-variant: #44474a;
    --md-outline: #cdd0d8;
    --md-outline-variant: #e2e5ec;

    --bg: #eef1f7;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.1rem;
    --radius-full: 100px;
    --sidebar-w: 15.5rem;

    --elevation-1: 0 1px 2px rgba(0,0,0,0.16), 0 1px 3px 1px rgba(0,0,0,0.08);
    --elevation-2: 0 1px 2px rgba(0,0,0,0.18), 0 2px 6px 2px rgba(0,0,0,0.10);
    --elevation-3: 0 4px 8px 3px rgba(0,0,0,0.10), 0 1px 3px rgba(0,0,0,0.18);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Google Sans Text', Roboto, system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--md-on-surface);
    -webkit-tap-highlight-color: transparent;
}

a { color: var(--md-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--md-surface);
    color: var(--md-on-surface);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--md-outline-variant);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1.4rem 1.25rem 1.1rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--md-on-surface);
}

.sidebar-brand-icon { font-size: 1.4rem; }

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0.75rem;
    gap: 0.2rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-full);
    color: var(--md-on-surface-variant);
    font-size: 0.9rem;
    font-weight: 500;
}

.sidebar-nav .nav-link:hover {
    background: var(--md-surface-container);
    color: var(--md-on-surface);
    text-decoration: none;
}

.sidebar-nav .nav-link.active {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
}

.nav-icon { font-size: 1.15rem; }

.main-column {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 15;
    background: var(--md-surface);
}

.topbar {
    display: none;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 1.1rem;
    padding-top: calc(0.9rem + env(safe-area-inset-top));
    background: var(--md-surface);
    color: var(--md-on-surface);
    border-bottom: 1px solid var(--md-outline-variant);
}

.topbar-brand-icon { font-size: 1.2rem; }

.topbar-title {
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Ticker de cotações — fixo no topo, em todas as telas */

.rate-ticker {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.55rem 1.1rem;
    background: var(--md-surface-container);
    border-bottom: 1px solid var(--md-outline-variant);
    overflow-x: auto;
    white-space: nowrap;
}

.rate-ticker-item {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4rem;
    font-size: 0.85rem;
}

.rate-ticker-label {
    color: var(--md-on-surface-variant);
    font-weight: 500;
}

.rate-ticker-valor {
    color: var(--md-on-surface);
    font-weight: 700;
    font-family: 'Google Sans Text', Roboto, sans-serif;
}

@media (max-width: 900px) {
    .rate-ticker {
        gap: 1.1rem;
        padding: 0.5rem 1rem;
        padding-bottom: 0.55rem;
    }
    .rate-ticker-item { font-size: 0.78rem; }
}

.content {
    padding: 1.5rem 2rem 3rem;
    max-width: 78rem;
    width: 100%;
}

/* Navegação inferior (mobile) — Material 3 Navigation Bar */

.bottom-nav {
    display: none;
}

@media (max-width: 900px) {
    .sidebar { display: none; }
    .topbar { display: flex; }

    .content {
        padding: 1rem 1rem 1.25rem;
    }

    .bottom-nav {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 20;
        height: 4.6rem;
        background: var(--md-surface-container);
        padding-bottom: env(safe-area-inset-bottom);
        box-shadow: var(--elevation-2);
    }

    .bottom-nav-link {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.2rem;
        padding: 0.5rem 0.2rem 0.6rem;
        color: var(--md-on-surface-variant);
        font-size: 0.68rem;
        font-weight: 500;
        min-height: 3.4rem;
    }

    .bottom-nav-link:hover { text-decoration: none; }

    .bottom-nav-icon {
        font-size: 1.1rem;
        line-height: 1;
        padding: 0.15rem 0.6rem;
        border-radius: var(--radius-full);
        transition: background-color 0.15s ease;
    }

    .bottom-nav-link.active .bottom-nav-icon {
        background: var(--md-primary-container);
    }

    .bottom-nav-link.active { color: var(--md-on-surface); font-weight: 700; }

    .bottom-nav-label {
        max-width: 3.6rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: 0.62rem;
    }

    /* Espaço reservado para a barra inferior não cobrir conteúdo */
    .main-column { padding-bottom: 4.9rem; }
}

@media (max-width: 480px) {
    .content { padding: 0.85rem 0.75rem 1.1rem; }
    .page-header h1 { font-size: 1.35rem; }
}

/* Page header */

.page-header {
    margin-bottom: 1.35rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.page-header h1 {
    font-family: 'Google Sans Text', Roboto, sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 0.2rem;
    letter-spacing: -0.01em;
}

.page-header .subtitle {
    color: var(--md-on-surface-variant);
    font-size: 0.92rem;
    margin: 0;
}

/* Alerts (Material banners) */

.alert {
    border-radius: var(--radius-md);
    padding: 0.75rem 1.1rem;
    font-size: 0.88rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background: var(--md-success-container);
    color: var(--md-on-success-container);
}

.alert-error {
    background: var(--md-error-container);
    color: var(--md-on-error-container);
}

.banner-mock {
    background: var(--md-warn-container);
    color: var(--md-on-warn-container);
    border-radius: var(--radius-md);
    padding: 0.7rem 1.1rem;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

/* Cards / grid */

.grid {
    display: grid;
    gap: 1rem;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-1-2 { grid-template-columns: 1fr 2fr; }

@media (max-width: 900px) {
    .grid-3, .grid-2, .grid-1-2 { grid-template-columns: 1fr; }
}

.card {
    background: var(--md-surface-container-low);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.4rem;
    box-shadow: var(--elevation-1);
}

.card h2, .card h3 {
    margin-top: 0;
    font-family: 'Google Sans Text', Roboto, sans-serif;
}

.stat-label {
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--md-on-surface-variant);
    margin-bottom: 0.35rem;
    font-weight: 500;
}

.stat-value {
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1.2;
    font-family: 'Google Sans Text', Roboto, sans-serif;
}

.stat-sub {
    font-size: 0.85rem;
    margin-top: 0.3rem;
    color: var(--md-on-surface-variant);
}

.text-success { color: var(--md-success); }
.text-danger { color: var(--md-error); }

/* Chips (badges no estilo M3 assist/filter chip) */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.28em 0.75em;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.76rem;
    border: 1px solid transparent;
}

.badge-USDT { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.badge-BOB { background: var(--md-success-container); color: var(--md-on-success-container); }
.badge-BRL { background: var(--md-warn-container); color: var(--md-on-warn-container); }
.badge-success { background: var(--md-success-container); color: var(--md-on-success-container); }
.badge-danger { background: var(--md-error-container); color: var(--md-on-error-container); }
.badge-neutral { background: var(--md-surface-container-high); color: var(--md-on-surface-variant); }
.badge-info { background: var(--md-primary-container); color: var(--md-on-primary-container); }

.status-dot {
    display: inline-block;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    margin-right: 0.4rem;
}

.status-dot-online { background: var(--md-success); }
.status-dot-offline { background: var(--md-error); }

/* Tables (desktop) → cards empilhados (mobile) */

.table-wrap { overflow-x: auto; }

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--md-on-surface-variant);
    border-bottom: 1px solid var(--md-outline-variant);
    padding: 0.55rem 0.6rem;
    font-weight: 500;
}

.data-table td {
    padding: 0.65rem 0.6rem;
    border-bottom: 1px solid var(--md-outline-variant);
    vertical-align: middle;
}

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

@media (max-width: 720px) {
    .data-table thead { display: none; }

    .data-table, .data-table tbody, .data-table tr, .data-table td {
        display: block;
        width: 100%;
    }

    .data-table tr {
        border: 1px solid var(--md-outline-variant);
        border-radius: var(--radius-md);
        padding: 0.7rem 0.85rem;
        margin-bottom: 0.75rem;
        background: var(--md-surface);
    }

    .data-table tr.hidden { display: none; }

    .data-table td {
        border-bottom: none;
        padding: 0.3rem 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.75rem;
        text-align: right;
    }

    .data-table td::before {
        content: attr(data-label);
        font-size: 0.72rem;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--md-on-surface-variant);
        text-align: left;
    }

    .data-table td:empty { display: none; }
    .data-table td[data-label=""] { justify-content: flex-end; }
}

/* Forms — Material 3 outlined text fields */

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.field { position: relative; }

.field > label:not(.md-field label) {
    display: block;
    font-size: 0.8rem;
    color: var(--md-on-surface-variant);
    margin-bottom: 0.35rem;
    font-weight: 500;
}

input, select, textarea {
    font-family: inherit;
    font-size: 0.95rem;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--md-outline);
    border-radius: var(--radius-sm);
    width: 100%;
    min-height: 2.9rem;
    background: var(--md-surface);
    color: var(--md-on-surface);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

select { min-height: 2.9rem; }

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 1px var(--md-primary);
}

input:hover:not(:focus), select:hover:not(:focus) {
    border-color: var(--md-on-surface-variant);
}

.field-error {
    color: var(--md-error);
    font-size: 0.78rem;
    margin-top: 0.25rem;
}

.form-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

/* Checkbox (mantém tamanho de alvo de toque confortável) */

input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    min-height: 0;
    padding: 0;
    accent-color: var(--md-primary);
}

/* Buttons — Material 3 (filled / outlined / text) */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    background: var(--md-surface-container-high);
    color: var(--md-on-surface);
    min-height: 2.75rem;
    transition: box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn:hover { text-decoration: none; box-shadow: var(--elevation-1); }
.btn:active { box-shadow: none; }

.btn-primary { background: var(--md-primary); color: var(--md-on-primary); }
.btn-primary:hover { background: #0a4bb8; }

.btn-success { background: var(--md-success); color: #fff; }
.btn-success:hover { background: #0e5623; }

.btn-outline {
    background: transparent;
    border-color: var(--md-outline);
    color: var(--md-primary);
}

.btn-sm { padding: 0.4rem 1rem; font-size: 0.82rem; min-height: 2.2rem; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; box-shadow: none; }

/* Floating Action Button (mobile) */

.fab {
    display: none;
}

@media (max-width: 900px) {
    .fab {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        position: fixed;
        right: 1.1rem;
        bottom: calc(4.9rem + env(safe-area-inset-bottom));
        z-index: 18;
        background: var(--md-primary-container);
        color: var(--md-on-primary-container);
        border: none;
        border-radius: var(--radius-lg);
        padding: 0.95rem 1.3rem;
        font-weight: 600;
        font-size: 0.9rem;
        box-shadow: var(--elevation-3);
        cursor: pointer;
    }

    .page-header .fab-inline { display: none; }
}

.fab-inline { display: inline-flex; }

@media (max-width: 900px) {
    .fab-inline { display: none; }
}

/* Whatsapp bubble */

.whatsapp-bubble {
    background: var(--md-success-container);
    color: var(--md-on-success-container);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.9rem;
    max-width: 30rem;
    font-size: 0.88rem;
    display: inline-block;
}

/* Misc */

.list-plain {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-plain li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--md-outline-variant);
}

.list-plain li:last-child { border-bottom: none; }

.slide-panel {
    background: var(--md-surface-container);
    border-radius: var(--radius-md);
    padding: 1.1rem;
    margin-top: 0.6rem;
}

.small { font-size: 0.85rem; color: var(--md-on-surface-variant); }

.hidden { display: none !important; }

.switch-label {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    color: var(--md-on-surface-variant);
}

/* Linha-resumo de uma faixa de câmbio (modo leitura) */

.faixa-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 5.5rem auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-md);
    margin-bottom: 0.6rem;
}

.faixa-row-desc { font-weight: 500; }

.faixa-row-desc .small { display: block; font-weight: 400; margin-top: 0.1rem; }

.faixa-row-valor {
    font-weight: 700;
    font-size: 1.05rem;
    font-family: 'Google Sans Text', Roboto, sans-serif;
    text-align: right;
}

.faixa-row-actions { display: flex; justify-content: flex-end; gap: 0.4rem; }

@media (max-width: 520px) {
    .faixa-row {
        grid-template-columns: 1fr auto;
        row-gap: 0.5rem;
    }
    .faixa-row-valor { text-align: left; order: 2; }
    .faixa-row-actions { order: 3; grid-column: 1 / -1; justify-content: flex-start; }
}