:root {
    --modern-navy: #102a43;
    --modern-navy-2: #183f61;
    --modern-blue: #1677a8;
    --modern-cyan: #16a3b6;
    --modern-orange: #e9852d;
    --modern-bg: #f3f6f8;
    --modern-line: #dbe5ea;
    --modern-muted: #667d8c;
    --modern-shadow: 0 10px 30px rgba(16, 42, 67, .08);
}

html { max-width: 100%; overflow-x: clip; }

body {
    display: block;
    background: var(--modern-bg);
    color: #172b3a;
    overflow-x: hidden;
}

body > header {
    position: sticky;
    top: 0;
    z-index: 40;
    height: 68px;
    padding: 0 22px 0 226px;
    display: flex;
    align-items: center;
    background: #fff;
    color: var(--modern-navy);
    border: 0;
    border-bottom: 1px solid var(--modern-line);
    box-shadow: none;
}

.header-brand {
    justify-content: flex-start;
    gap: 10px;
}

.header-brand img {
    width: 38px;
    height: 38px;
    filter: none;
}

.header-text h1,
body > header h1 {
    color: var(--modern-navy);
    font-size: 1.05rem;
    letter-spacing: .04em;
}

.header-text h1 span.brand-accent { color: var(--modern-orange); }

.header-text p,
body > header p {
    margin-top: 1px;
    color: var(--modern-muted);
    opacity: 1;
    font-size: .64rem;
    letter-spacing: .05em;
}

.btn-voltar-hub {
    position: fixed;
    z-index: 51;
    top: 15px;
    left: 14px;
    padding: 7px 11px;
    color: #d8e5ec;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 8px;
    font-size: .72rem;
    backdrop-filter: none;
}

.btn-voltar-hub:hover {
    color: #fff;
    background: rgba(255, 255, 255, .15);
    border-color: rgba(255, 255, 255, .3);
    transform: none;
}

.modern-header-status {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 11px;
    border-radius: 999px;
    background: #eaf7f3;
    color: #176b58;
    font-size: .72rem;
    font-weight: 700;
}

.modern-header-status span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #16866a;
}

.modern-menu-toggle { display: none; }

.app-layout { min-height: calc(100vh - 68px); }

.modern-workspace {
    width: 100%;
    min-width: 0;
}

.modern-workspace main,
.section,
.card,
.ops-dashboard,
.ops-card,
.kpi-grid,
.kpi-card,
.stepper,
.step-card,
.premium-shell,
.premium-panel { min-width: 0; }

#sidebar {
    display: flex;
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    bottom: 0;
    width: 210px;
    padding: 62px 9px 16px;
    flex-direction: column;
    overflow-y: auto;
    background: var(--modern-navy);
    color: #fff;
    scrollbar-width: thin;
    scrollbar-color: #42627a transparent;
}

#sidebar::before {
    content: "CONCRETRACK";
    position: fixed;
    top: 17px;
    left: 68px;
    color: #fff;
    font-weight: 800;
    font-size: .72rem;
    letter-spacing: .08em;
}

#sidebar::after {
    content: "DOSAGEM & LABORATÓRIO";
    position: fixed;
    top: 36px;
    left: 68px;
    color: #8faabc;
    font-size: .48rem;
    font-weight: 700;
    letter-spacing: .08em;
}

.sidebar-group { display: grid; gap: 2px; }

.sidebar-group-label {
    margin: 11px 8px 4px;
    color: #7fa0b5;
    font-size: .52rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.sidebar-divider { display: none; }

.sidebar-btn {
    width: 100%;
    min-height: 34px;
    padding: 6px 8px;
    display: grid;
    grid-template-columns: 18px 18px 1fr;
    align-items: center;
    gap: 5px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: #bfd0db;
    text-align: left;
    font-size: .68rem;
    cursor: pointer;
    transition: background .15s, color .15s;
}

.sidebar-btn:hover,
.sidebar-btn.active {
    color: #fff;
    background: rgba(255, 255, 255, .1);
}

.sidebar-btn.active { box-shadow: inset 3px 0 var(--modern-cyan); }
.sb-num { font-size: .51rem; font-weight: 800; color: #79adbd; text-align: center; }
.sb-icon { font-size: .76rem; text-align: center; }
.sb-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.modern-workspace > main {
    max-width: 1480px;
    width: auto;
    margin: 0 0 0 210px;
    padding: 20px 22px 46px;
}

body:not(.modern-home-active) .modern-workspace > main { display: none; }

.dos-load-action {
    margin: 0 0 16px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    border: 1px solid var(--modern-line);
    border-radius: 11px;
    background: #f8fbfc;
}

.dos-load-action strong,
.dos-load-action span { display: block; }
.dos-load-action strong { color: var(--modern-navy); font-size: .86rem; }
.dos-load-action span { margin-top: 2px; color: var(--modern-muted); font-size: .72rem; }

.dos-load-modal {
    display: none;
    position: fixed;
    z-index: 600;
    inset: 0;
    padding: 20px;
    align-items: center;
    justify-content: center;
    background: rgba(6, 24, 37, .56);
    backdrop-filter: blur(3px);
}

.dos-load-modal.is-open { display: flex; }
.dos-load-dialog { position: relative; width: min(680px, 100%); max-height: calc(100vh - 40px); overflow-y: auto; border-radius: 14px; background: #fff; box-shadow: 0 24px 70px rgba(6,24,37,.28); }
.dos-load-close { position: absolute; z-index: 2; top: 7px; right: 9px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #fff; color: #425d6c; font-size: 1.4rem; line-height: 1; }

.dos-carta-heading { margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.dos-automation-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid #aeb8e2; border-radius: 999px; background: #fff; color: #3730a3; font-size: .75rem; font-weight: 800; cursor: pointer; }
.dos-automation-toggle input { width: 17px; height: 17px; min-height: 0; accent-color: #3730a3; cursor: pointer; }

.dos-argamassa-card { margin: 18px 0; padding: 18px; border: 1px solid var(--modern-line); border-radius: 14px; background: #fff; box-shadow: var(--modern-shadow); }
.dos-argamassa-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.dos-argamassa-eyebrow { color: var(--modern-blue); font-size: .62rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.dos-argamassa-head h3 { margin: 3px 0; color: var(--modern-navy); }
.dos-argamassa-head p { margin: 0; color: var(--modern-muted); font-size: .75rem; }
.dos-argamassa-status { flex: 0 0 auto; padding: 5px 9px; border-radius: 999px; background: #edf2f4; color: #526b7a; font-size: .68rem; font-weight: 800; }
.dos-argamassa-status.is-baixo, .dos-argamassa-message.is-baixo { background: #fff0dc; color: #9a570d; }
.dos-argamassa-status.is-adequado, .dos-argamassa-message.is-adequado { background: #e5f5ee; color: #126d56; }
.dos-argamassa-status.is-alto, .dos-argamassa-message.is-alto { background: #fdeaea; color: #a63838; }
.dos-argamassa-metrics { margin-top: 14px; display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 9px; }
.dos-argamassa-metrics > div { padding: 12px; border: 1px solid var(--modern-line); border-radius: 10px; background: #f8fbfc; }
.dos-argamassa-metrics span, .dos-argamassa-metrics strong { display: block; }
.dos-argamassa-metrics span { color: var(--modern-muted); font-size: .62rem; font-weight: 800; text-transform: uppercase; }
.dos-argamassa-metrics strong { margin-top: 4px; color: var(--modern-navy); font-size: 1rem; }
.dos-argamassa-message { margin-top: 10px; padding: 9px 11px; border-radius: 9px; background: #eef3f6; color: #526b7a; font-size: .72rem; }
.dos-argamassa-memory { margin-top: 10px; font-size: .72rem; }
.dos-argamassa-memory summary { color: var(--modern-blue); font-weight: 800; cursor: pointer; }
#dos-argamassa-memory { margin-top: 9px; display: grid; gap: 5px; }
#dos-argamassa-memory > div { display: flex; justify-content: space-between; gap: 15px; padding-bottom: 4px; border-bottom: 1px solid #edf2f4; }
.arg-density-error { border-color: #c44949 !important; box-shadow: 0 0 0 3px rgba(196,73,73,.12) !important; }

/* O HTML legado fecha o <main> após a tela inicial. Mantém as demais
   seções alinhadas à mesma área útil sem alterar IDs ou lógica. */
.app-layout > .section {
    width: calc(100% - 210px);
    max-width: 1480px;
    margin-left: 210px;
    padding: 20px 22px 46px;
}

.section-jump {
    display: none !important;
}

.section-jump .btn { flex: 0 0 auto; }
.section-jump select { min-width: 250px; max-width: 420px; }

.card {
    border: 1px solid var(--modern-line);
    border-radius: 16px;
    box-shadow: var(--modern-shadow);
    padding: 22px;
    margin-bottom: 16px;
    overflow: visible;
}

.card::before { display: none; }
.card h2 { color: var(--modern-navy); font-size: 1.08rem; }
.card .subtitle { color: var(--modern-muted); }

.form-grid { gap: 12px; }

.form-group label {
    color: #506978;
    font-size: .68rem;
    letter-spacing: .035em;
}

.form-group input,
.form-group select,
input[type="text"],
input[type="number"],
input[type="date"],
select,
textarea {
    min-height: 40px;
    border-color: #cddae1;
    border-radius: 9px;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--modern-blue);
    box-shadow: 0 0 0 3px rgba(22, 119, 168, .1);
    outline: 0;
}

.btn {
    min-height: 38px;
    border-radius: 9px;
    box-shadow: none;
}

.btn-primary { background: var(--modern-blue); border-color: var(--modern-blue); }
.btn-primary:hover { background: #126993; transform: none; box-shadow: none; }

.result-table,
.gran-table,
.cost-adv-table,
.premium-bank-table {
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--modern-line);
    border-radius: 11px;
    overflow: hidden;
}

.result-table th,
.gran-table th,
.cost-adv-table th,
.premium-bank-table th {
    background: #eef3f6;
    color: #526b7a;
    font-size: .65rem;
    letter-spacing: .045em;
}

.result-table td,
.gran-table td,
.cost-adv-table td,
.premium-bank-table td { border-color: var(--modern-line); }

.result-table tbody tr:hover,
.gran-table tbody tr:hover,
.cost-adv-table tbody tr:hover,
.premium-bank-table tbody tr:hover { background: #f8fbfc; }

.ops-dashboard,
.premium-shell,
.premium-metrics,
.premium-compare-grid { gap: 14px; }

.kpi-card,
.ops-card,
.premium-metric,
.summary-chip {
    border-color: var(--modern-line);
    box-shadow: none;
}

.hub-grid { gap: 12px; }
.hub-card { border-color: var(--modern-line); border-radius: 13px; box-shadow: none; }
.hub-card:hover { border-color: var(--modern-cyan); transform: translateY(-1px); }

.info-box,
.tip,
.result-box { border-radius: 11px; }

.result-box {
    width: 100%;
    max-width: 100%;
}

.gran-table-container,
.premium-bank-table-wrap {
    width: 100%;
    max-width: 100%;
    border-radius: 11px;
    overflow-x: auto;
    contain: inline-size paint;
}

.modern-sidebar-overlay { display: none; }

@media (max-width: 980px) {
    body > header { padding-left: 66px; padding-right: 14px; }
    .modern-menu-toggle {
        display: grid;
        place-items: center;
        position: fixed;
        z-index: 52;
        top: 14px;
        left: 14px;
        width: 40px;
        height: 40px;
        border: 0;
        border-radius: 9px;
        background: #edf3f6;
        color: var(--modern-navy);
        font-size: 1.15rem;
    }
    .btn-voltar-hub { position: static; order: 2; margin-left: auto; color: var(--modern-navy); background: #edf3f6; border-color: var(--modern-line); }
    .modern-header-status { display: none; }
    #sidebar { transform: translateX(-102%); transition: transform .2s ease; }
    #sidebar::before, #sidebar::after { transform: translateX(-280px); transition: transform .2s ease; }
    body.modern-nav-open #sidebar,
    body.modern-nav-open #sidebar::before,
    body.modern-nav-open #sidebar::after { transform: translateX(0); }
    .modern-sidebar-overlay {
        position: fixed;
        z-index: 45;
        inset: 0;
        background: rgba(6, 24, 37, .46);
    }
    body.modern-nav-open .modern-sidebar-overlay { display: block; }
    .modern-workspace > main { margin-left: 0; padding: 18px 18px 42px; }
    .app-layout > .section { width: 100%; margin-left: 0; padding: 18px 18px 42px; }
    .section-jump { top: 78px; }
}

@media (max-width: 640px) {
    body > header { height: 62px; }
    .header-brand img { display: none; }
    .header-text h1, body > header h1 { font-size: .9rem; }
    .header-text p, body > header p { display: none; }
    .btn-voltar-hub { padding: 7px 9px; font-size: .68rem; }
    .modern-workspace > main { padding: 12px 10px 36px; }
    .app-layout > .section { padding: 12px 10px 36px; }
    .section-jump {
        top: 68px;
        padding: 7px;
        margin-bottom: 12px;
    }
    .section-jump .btn { display: none; }
    .section-jump select { width: 100%; min-width: 0; max-width: none; }
    .card { padding: 16px 13px; border-radius: 13px; }
    .dos-load-action { align-items: stretch; flex-direction: column; }
    .dos-load-modal { padding: 10px; }
    .dos-argamassa-head { flex-direction: column; }
    .dos-argamassa-metrics { grid-template-columns: 1fr 1fr; }
    #dos-argamassa-memory > div { align-items: flex-start; flex-direction: column; gap: 2px; }
    .card h2 { font-size: 1rem; line-height: 1.3; }
    .card .subtitle, .ops-card__hint, .ops-card__value { overflow-wrap: anywhere; }
    .ops-mini-grid { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full-width { grid-column: auto; }
    .btn-wrap { gap: 7px; }
    .btn-wrap .btn, .btn-wrap button { flex: 1 1 145px; }
    .result-table { width: 100%; min-width: 0; table-layout: auto; }
    .result-box { overflow-x: auto; }
    .gran-table { display: block; width: 100%; min-width: 0; overflow-x: auto; contain: inline-size paint; }
    .cost-adv-table, .premium-bank-table { min-width: 620px; }
    .gran-table-container, .premium-bank-table-wrap, .card > div[style*="overflow-x:auto"], .card > div[style*="overflow:auto"] { overflow-x: auto !important; }
    #sec-custo-mcc div[style*="display:grid"] { grid-template-columns: 1fr !important; }
    #sec-custo-mcc .form-group { min-width: 0; }
}

@media print {
    body > header,
    #sidebar,
    .modern-sidebar-overlay { display: none !important; }
    .modern-workspace > main { margin: 0 !important; padding: 0 !important; max-width: none !important; }
}