:root {
    --font-sans: "Inter", "Segoe UI Variable Text", "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --text: #18212f;
    --muted: #64748b;
    --border: #e2e8f0;
    --primary: #0f4c81;
    --primary-strong: #0a385f;
    --accent: #0ea5e9;
    --success: #15803d;
    --success-bg: #ecfdf3;
    --warning: #b45309;
    --warning-bg: #fff7ed;
    --danger: #b42318;
    --danger-bg: #fff1f2;
    --sidebar: #0b1220;
    --shadow: 0 18px 45px rgba(15, 23, 42, .08);
    --radius: 18px;
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-synthesis: none;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; font-family: var(--font-sans); }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }

.brand-logo { display: block; max-width: 180px; max-height: 72px; object-fit: contain; }
.brand-logo.large { max-width: 260px; max-height: 100px; }
.eyebrow { display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .12em; color: var(--primary); }
.lead { color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.muted { color: var(--muted); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: .78rem 1.08rem;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 700;
    transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(15, 76, 129, .18); }
.btn-primary:hover { background: var(--primary-strong); }
.btn-secondary { background: #fff; color: var(--primary); border-color: #cbd5e1; }
.btn-secondary:hover { border-color: var(--primary); }
.btn-block { width: 100%; }

.environment-badge, .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: fit-content;
    border-radius: 999px;
    padding: .38rem .68rem;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .04em;
}
.environment-badge.test { background: #eef6ff; color: #1d4ed8; }
.environment-badge.production { background: #fff1f2; color: #be123c; }
.status-pill.success { background: var(--success-bg); color: var(--success); }
.status-pill.warning { background: var(--warning-bg); color: var(--warning); }

.alert { border-radius: 13px; padding: .9rem 1rem; margin: 0 0 1rem; line-height: 1.5; border: 1px solid transparent; }
.alert ul { margin: .55rem 0 0 1.15rem; padding: 0; }
.alert-success { background: var(--success-bg); color: #166534; border-color: #bbf7d0; }
.alert-danger { background: var(--danger-bg); color: var(--danger); border-color: #fecdd3; }

.install-page {
    background:
        radial-gradient(circle at 8% 20%, rgba(14,165,233,.11), transparent 28%),
        radial-gradient(circle at 90% 85%, rgba(15,76,129,.10), transparent 30%),
        #eef3f8;
}
.install-shell { min-height: 100vh; max-width: 1180px; margin: 0 auto; padding: 42px 24px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
.install-hero { padding: 18px; }
.install-hero h1 { font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.02; margin: 22px 0 18px; letter-spacing: -.045em; max-width: 680px; }
.install-hero p { color: var(--muted); line-height: 1.75; font-size: 1.04rem; max-width: 620px; }
.install-note { margin-top: 28px; padding: 18px; border-left: 4px solid var(--accent); background: rgba(255,255,255,.65); border-radius: 0 14px 14px 0; line-height: 1.6; }
.install-card, .login-card { background: var(--surface); border: 1px solid rgba(226,232,240,.9); border-radius: 24px; box-shadow: var(--shadow); padding: 30px; }
.section-heading { display:flex; justify-content:space-between; align-items:flex-start; gap: 18px; margin-bottom: 20px; }
.section-heading h2, .install-card h2 { margin: .3rem 0 0; font-size: 1.7rem; }
.step-tag { font-size:.68rem; color:var(--muted); font-weight:800; letter-spacing:.12em; }
.requirements { background: var(--surface-2); border:1px solid var(--border); border-radius:14px; margin: 0 0 22px; }
.requirements summary { cursor:pointer; padding: 14px 16px; font-weight: 700; }
.requirements-grid { display:grid; grid-template-columns:1fr 1fr; gap: 8px; padding: 0 14px 14px; }
.requirement { display:flex; gap:8px; align-items:center; font-size:.84rem; color:var(--muted); }
.requirement span { width:22px; height:22px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; font-weight:900; }
.requirement.ok span { background:#dcfce7; color:#166534; }
.requirement.fail span { background:#fee2e2; color:#991b1b; }
.form-stack { display:flex; flex-direction:column; gap: 14px; }
.form-stack h3 { margin: 6px 0 -2px; font-size:1rem; }
.form-grid.two { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
label { display:flex; flex-direction:column; gap:7px; color:#334155; font-size:.86rem; font-weight:700; }
label small { color: var(--muted); font-weight:500; line-height:1.45; }
input { width:100%; border:1px solid #cbd5e1; background:#fff; border-radius:11px; min-height:44px; padding:0 12px; outline:none; transition:.15s; color:var(--text); }
input:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(14,165,233,.12); }
.divider { height:1px; background:var(--border); margin:6px 0; }
.form-help { color:var(--muted); font-size:.78rem; line-height:1.5; text-align:center; margin:0; }
.status-icon { width:48px; height:48px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; font-weight:900; font-size:1.25rem; }
.status-icon.success { background:#dcfce7; color:#166534; }
.status-icon.warning { background:#ffedd5; color:#c2410c; }

.login-page { display:flex; align-items:center; justify-content:center; padding:30px; background:linear-gradient(135deg,#0b1220,#102a43 56%,#0f4c81); }
.login-shell { width:min(920px,100%); display:grid; grid-template-columns:1fr .85fr; border-radius:26px; overflow:hidden; box-shadow:0 28px 70px rgba(0,0,0,.28); }
.login-brand { min-height:500px; padding:46px; background:rgba(255,255,255,.06); color:#fff; display:flex; flex-direction:column; justify-content:center; align-items:flex-start; backdrop-filter:blur(8px); }
.login-brand .brand-logo { background:#fff; border-radius:14px; padding:10px; margin-bottom:28px; }
.login-brand h1 { font-size:2.25rem; margin:18px 0 4px; }
.login-brand p { color:#cbd5e1; }
.login-card { border-radius:0; display:flex; flex-direction:column; justify-content:center; box-shadow:none; }
.login-card h2 { margin:0 0 6px; font-size:1.75rem; }
.login-card > p { margin:0 0 20px; color:var(--muted); }

.phase-page { display:flex; align-items:center; justify-content:center; padding:30px; background:radial-gradient(circle at top left,rgba(14,165,233,.09),transparent 32%), var(--bg); }
.phase-shell { width:min(880px,100%); background:#fff; border:1px solid var(--border); border-radius:26px; box-shadow:var(--shadow); padding:46px; }
.phase-shell h1 { font-size:clamp(2.2rem,5vw,4rem); margin:16px 0 12px; letter-spacing:-.045em; }
.phase-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin:28px 0; }
.mini-card { border:1px solid var(--border); background:var(--surface-2); border-radius:15px; padding:16px; display:flex; flex-direction:column; gap:5px; }
.mini-card strong { color:var(--muted); font-size:.75rem; text-transform:uppercase; letter-spacing:.06em; }
.mini-card span { font-size:1.15rem; font-weight:800; }
.actions-row { display:flex; gap:12px; flex-wrap:wrap; }

.admin-shell { min-height:100vh; display:grid; grid-template-columns:260px 1fr; }
.sidebar { position:sticky; top:0; height:100vh; background:var(--sidebar); color:#cbd5e1; padding:22px 16px; display:flex; flex-direction:column; z-index:10; }
.sidebar-brand { background:#fff; border-radius:14px; padding:10px; display:flex; align-items:center; justify-content:center; min-height:72px; }
.sidebar-brand img { max-width:170px; max-height:52px; object-fit:contain; }
.sidebar-version { padding:12px 8px 22px; font-size:.72rem; color:#64748b; text-align:center; }
.sidebar-nav { display:flex; flex-direction:column; gap:7px; }
.sidebar-nav a { display:flex; align-items:center; gap:10px; min-height:44px; padding:0 12px; border-radius:11px; font-weight:600; font-size:.9rem; }
.sidebar-nav a:hover, .sidebar-nav a.active { background:#172033; color:#fff; }
.sidebar-nav a span { width:22px; text-align:center; color:#7dd3fc; }
.sidebar-footer { margin-top:auto; border-top:1px solid #1e293b; padding:16px 8px 0; display:flex; flex-direction:column; gap:8px; }
.sidebar-footer small { color:#64748b; }
.sidebar-footer a { color:#fca5a5; font-weight:700; font-size:.85rem; }
.admin-main { min-width:0; }
.topbar { min-height:96px; padding:18px 28px; background:rgba(255,255,255,.9); border-bottom:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; gap:20px; position:sticky; top:0; z-index:8; backdrop-filter:blur(10px); }
.topbar h1 { margin:6px 0 0; font-size:1.55rem; }
.user-chip { display:flex; align-items:center; gap:10px; }
.avatar { width:40px; height:40px; border-radius:12px; background:#e0f2fe; color:var(--primary); display:inline-flex; align-items:center; justify-content:center; font-weight:900; }
.user-chip div { display:flex; flex-direction:column; }
.user-chip strong { font-size:.85rem; }
.user-chip small { color:var(--muted); font-size:.74rem; }
.content { padding:28px; max-width:1500px; margin:0 auto; }

.welcome-panel, .update-hero { background:linear-gradient(135deg,#0f4c81,#0b6aa6); color:#fff; border-radius:20px; padding:28px; display:flex; justify-content:space-between; align-items:center; gap:24px; box-shadow:0 18px 35px rgba(15,76,129,.18); }
.welcome-panel .eyebrow, .update-hero .eyebrow { color:#bae6fd; }
.welcome-panel h2, .update-hero h2 { margin:7px 0 8px; font-size:clamp(1.5rem,2.5vw,2.25rem); }
.welcome-panel p, .update-hero p { margin:0; color:#dbeafe; max-width:760px; line-height:1.6; }
.version-orb { flex:0 0 140px; height:140px; border-radius:50%; border:1px solid rgba(255,255,255,.25); background:rgba(255,255,255,.1); display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; }
.version-orb strong { font-size:1.5rem; }
.version-orb span { color:#bfdbfe; font-size:.72rem; }
.version-stack { display:flex; align-items:center; gap:16px; }
.version-stack > div { min-width:112px; padding:15px; border:1px solid rgba(255,255,255,.2); background:rgba(255,255,255,.08); border-radius:14px; display:flex; flex-direction:column; gap:3px; text-align:center; }
.version-stack small { color:#bae6fd; }
.version-stack strong { font-size:1.2rem; }

.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin:20px 0; }
.stat-card, .panel { background:#fff; border:1px solid var(--border); border-radius:var(--radius); box-shadow:0 8px 24px rgba(15,23,42,.04); }
.stat-card { padding:18px; display:flex; flex-direction:column; gap:5px; }
.stat-card .stat-label { color:var(--muted); font-size:.76rem; font-weight:700; }
.stat-card strong { font-size:1.75rem; line-height:1.1; }
.stat-card small { color:var(--muted); }
.panel-grid { display:grid; gap:18px; margin:18px 0; }
.panel-grid.two-columns { grid-template-columns:1fr 1fr; }
.panel { padding:22px; margin:18px 0; }
.panel-grid .panel { margin:0; }
.panel-header { display:flex; align-items:flex-start; justify-content:space-between; gap:14px; margin-bottom:14px; }
.panel-header h3 { margin:5px 0 0; font-size:1.18rem; }
.panel p { color:var(--muted); line-height:1.6; }
.progress { height:8px; border-radius:999px; background:#e2e8f0; overflow:hidden; margin:18px 0 8px; }
.progress span { display:block; height:100%; border-radius:inherit; background:linear-gradient(90deg,var(--primary),var(--accent)); }
.check-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.check-item { border:1px solid var(--border); background:var(--surface-2); border-radius:14px; padding:14px; display:flex; gap:12px; }
.check-item > span { flex:0 0 28px; width:28px; height:28px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; background:#dcfce7; color:#166534; font-weight:900; }
.check-item div { display:flex; flex-direction:column; gap:3px; }
.check-item small { color:var(--muted); line-height:1.4; }

.update-summary { margin:18px 0; padding:20px; border-radius:18px; border:1px solid var(--border); display:flex; align-items:center; gap:16px; background:#fff; }
.update-summary > div:nth-child(2) { flex:1; }
.update-summary h3 { margin:0 0 4px; }
.update-summary p { margin:0; color:var(--muted); }
.update-summary.has-pending { border-color:#fed7aa; background:#fffaf5; }
.update-summary.is-current { border-color:#bbf7d0; background:#f7fff9; }
.migration-list { display:flex; flex-direction:column; gap:10px; }
.migration-row { display:flex; justify-content:space-between; gap:16px; align-items:center; border:1px solid var(--border); border-radius:13px; padding:14px; background:var(--surface-2); }
.migration-row.pending { border-left:4px solid #f59e0b; }
.migration-row > div { display:flex; flex-direction:column; gap:4px; }
.migration-row span { color:var(--muted); font-size:.84rem; }
code { background:#eef2f7; border:1px solid #e2e8f0; border-radius:7px; padding:.2rem .4rem; color:#334155; font-size:.78rem; }
.empty-state { border:1px dashed #cbd5e1; border-radius:13px; padding:22px; color:var(--muted); text-align:center; background:#fafcff; }
.table-wrap { overflow-x:auto; }
.data-table { width:100%; border-collapse:collapse; min-width:720px; }
.data-table th, .data-table td { padding:12px; border-bottom:1px solid var(--border); text-align:left; font-size:.84rem; vertical-align:top; }
.data-table th { color:var(--muted); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; }
.backup-list { display:flex; flex-direction:column; gap:8px; }
.backup-list > div { border:1px solid var(--border); border-radius:12px; padding:12px 14px; display:flex; justify-content:space-between; gap:14px; }
.backup-list span { color:var(--muted); font-size:.82rem; }

@media (max-width: 980px) {
    .install-shell { grid-template-columns:1fr; max-width:760px; }
    .install-hero { padding:0; }
    .login-shell { grid-template-columns:1fr; max-width:560px; }
    .login-brand { min-height:auto; padding:28px; }
    .admin-shell { grid-template-columns:82px 1fr; }
    .sidebar { padding:18px 10px; }
    .sidebar-brand { min-height:58px; padding:6px; }
    .sidebar-brand img { max-width:58px; max-height:44px; object-fit:contain; }
    .sidebar-version, .sidebar-nav a { font-size:0; }
    .sidebar-nav a { justify-content:center; padding:0; }
    .sidebar-nav a span { font-size:1.25rem; }
    .sidebar-footer small { display:none; }
    .sidebar-footer a { text-align:center; font-size:.72rem; }
    .stats-grid { grid-template-columns:1fr 1fr; }
    .panel-grid.two-columns { grid-template-columns:1fr; }
}

@media (max-width: 700px) {
    .install-shell, .content { padding:18px; }
    .install-card { padding:20px; }
    .form-grid.two, .requirements-grid, .check-grid, .phase-grid { grid-template-columns:1fr; }
    .section-heading, .topbar, .welcome-panel, .update-hero, .update-summary, .migration-row { align-items:flex-start; flex-direction:column; }
    .version-orb { width:118px; height:118px; flex-basis:118px; }
    .version-stack { width:100%; justify-content:space-between; }
    .stats-grid { grid-template-columns:1fr 1fr; }
    .admin-shell { display:block; }
    .sidebar { position:static; height:auto; flex-direction:row; align-items:center; padding:10px; }
    .sidebar-brand { min-height:46px; width:68px; }
    .sidebar-version { display:none; }
    .sidebar-nav { flex-direction:row; margin-left:8px; }
    .sidebar-nav a { width:46px; min-height:42px; }
    .sidebar-footer { margin:0 0 0 auto; border:0; padding:0; }
    .topbar { position:static; min-height:auto; padding:16px 18px; }
    .user-chip div { display:none; }
    .update-summary form, .update-summary .btn { width:100%; }
    .backup-list > div { flex-direction:column; }
}

@media (max-width: 460px) {
    .stats-grid { grid-template-columns:1fr; }
    .login-page { padding:14px; }
    .login-brand { padding:22px; }
    .login-card { padding:22px; }
    .phase-shell { padding:24px; }
    .version-stack > div { min-width:0; flex:1; }
}

/* Fase 3 — autenticação */
select,textarea{width:100%;border:1px solid #cbd5e1;background:#fff;border-radius:11px;min-height:44px;padding:0 12px;outline:none;transition:.15s;color:var(--text);font-family:var(--font-sans)}textarea{padding:10px 12px}select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,165,233,.12)}.remember-field{display:flex;flex-direction:row;align-items:center;gap:9px;font-size:.82rem;color:#526174;font-weight:600}.remember-field input{width:17px;min-height:17px;height:17px;margin:0}.login-helper-link{display:block;text-align:center;color:var(--primary);font-weight:700;font-size:.8rem;padding:.2rem}.test-reset-box{border:1px solid #bfdbfe;background:#f0f8ff;border-radius:12px;padding:13px;margin-bottom:14px}.test-reset-box p{font-size:.76rem;line-height:1.5;margin:6px 0 10px;color:var(--muted)}

/* ==========================================================================\n   PADRÃO VISUAL GLOBAL — BRASTECH V2\n   Aplicado a partir da Fase 5.1 (hotfix visual).\n   Regra: componentes de interface compartilham tipografia, altura, raio e\n   espaçamento. As próximas fases devem reutilizar estas variáveis/classes.\n   ========================================================================== */
:root {
    --ui-font-size: 14px;
    --ui-font-sm: 12px;
    --ui-font-xs: 11px;
    --ui-label-size: 13px;
    --ui-control-height: 40px;
    --ui-button-height: 36px;
    --ui-icon-button-size: 34px;
    --ui-control-radius: 9px;
    --ui-button-radius: 9px;
    --ui-gap: 8px;
}

html { font-size: 16px; }
body { font-size: var(--ui-font-size); line-height: 1.45; }
button, input, select, textarea { font-size: var(--ui-label-size); }

.btn {
    min-height: var(--ui-button-height);
    height: var(--ui-button-height);
    padding: 0 13px;
    gap: 7px;
    border-radius: var(--ui-button-radius);
    font-size: var(--ui-label-size);
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    box-shadow: none;
}
.btn:hover { transform: none; }
.btn-primary { box-shadow: 0 3px 9px rgba(15, 76, 129, .13); }
.btn-block { width: 100%; }

label { gap: 6px; font-size: var(--ui-label-size); font-weight: 600; }
input, select, textarea {
    min-height: var(--ui-control-height);
    border-radius: var(--ui-control-radius);
    padding-left: 11px;
    padding-right: 11px;
    font-size: var(--ui-label-size);
}
textarea { min-height: 92px; padding-top: 9px; padding-bottom: 9px; line-height: 1.45; }

.alert { font-size: var(--ui-label-size); border-radius: 10px; padding: 11px 13px; }
.environment-badge, .status-pill { font-size: var(--ui-xs, 11px); font-weight: 700; }
.form-help, .muted { line-height: 1.45; }

@media (max-width: 700px) {
    .btn { min-height: 38px; height: 38px; }
    input, select { min-height: 42px; }
}

/* ==========================================================================\n   PADRÃO VISUAL COMPACTO — BRASTECH V2\n   Revisão UI2. Este passa a ser o padrão oficial para as próximas fases.\n   ========================================================================== */
:root {
    --ui-font-size: 13px;
    --ui-font-sm: 11px;
    --ui-font-xs: 10px;
    --ui-label-size: 12px;
    --ui-control-height: 35px;
    --ui-button-height: 31px;
    --ui-icon-button-size: 29px;
    --ui-control-radius: 7px;
    --ui-button-radius: 7px;
    --ui-gap: 6px;
}
body { font-size: var(--ui-font-size); line-height: 1.4; }
button, input, select, textarea { font-size: var(--ui-label-size); }
.btn {
    min-height: var(--ui-button-height);
    height: var(--ui-button-height);
    padding: 0 10px;
    gap: 5px;
    border-radius: var(--ui-button-radius);
    font-size: var(--ui-label-size);
    font-weight: 600;
}
label { gap: 5px; font-size: var(--ui-label-size); }
input, select, textarea {
    min-height: var(--ui-control-height);
    border-radius: var(--ui-control-radius);
    padding-left: 9px;
    padding-right: 9px;
    font-size: var(--ui-label-size);
}
textarea { min-height: 78px; padding-top: 8px; padding-bottom: 8px; }
.alert { font-size: 12px; border-radius: 8px; padding: 9px 11px; }
.login-card { padding: 24px; }
.login-card h2 { font-size: 1.25rem; }
.login-card p { font-size: 12px; }
.form-stack { gap: 12px; }
.remember-field, .login-helper-link { font-size: 12px; }

@media (max-width: 700px) {
    .btn { min-height: 34px; height: 34px; }
    input, select { min-height: 38px; }
}

/* Fase 18.1 — imagens gerenciadas */
.login-page.has-managed-bg{background-image:linear-gradient(rgba(7,27,49,.82),rgba(7,27,49,.72)),var(--login-managed-bg);background-size:cover;background-position:center;background-attachment:fixed}