:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --card-bg-hover: #f9fafb;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e2e5ea;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --ok: #16a34a;
  --ok-bg: #f0fdf4;
  --ok-border: #bbf7d0;
  --tag-bg: #eef2ff;
  --tag-text: #3730a3;
  --warn: #b8791a;
  --warn-bg: #fef3c7;
  --warn-text: #92400e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10151a;
    --card-bg: #1a2129;
    --card-bg-hover: #212a33;
    --text: #e6eaee;
    --muted: #94a1ac;
    --border: #2a333d;
    --primary: #5b93f5;
    --primary-hover: #7ba7f7;
    --danger: #f2685f;
    --danger-bg: #3a1f1d;
    --danger-border: #5c2b26;
    --ok: #4ade80;
    --ok-bg: #163524;
    --ok-border: #235c37;
    --tag-bg: #1e2740;
    --tag-text: #adc0ff;
    --warn: #e0a53f;
    --warn-bg: #3a2c12;
    --warn-text: #f0c374;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

.topbar { background: var(--card-bg); border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 20px;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; row-gap: 10px;
}
.brand { font-weight: 600; color: var(--text); display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
.topbar nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: 14px; flex: 1 1 auto; min-width: 0; }
.nav-tab { border-bottom: 2px solid transparent; padding: 8px 12px; color: var(--muted); }
.nav-tab:hover { color: var(--text); }
.nav-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.empresa-switcher { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.empresa-switcher select { width: auto; padding: 4px 8px; font-size: 13px; }

.user-menu { position: relative; margin-left: auto; }
.user-menu-trigger {
  background: none; border: none; cursor: pointer; font: inherit; color: var(--muted);
  display: flex; align-items: center; gap: 5px; padding: 8px 12px;
}
.user-menu-trigger:hover { color: var(--text); }
.user-menu-caret { font-size: 10px; }
.user-menu-dropdown {
  display: none; flex-direction: column; gap: 2px;
  position: absolute; top: 100%; right: 0; margin-top: 4px; min-width: 170px;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25); padding: 6px; z-index: 20;
}
.user-menu-dropdown.open { display: flex; }
.user-menu-dropdown a, .user-menu-dropdown .link-btn {
  display: block; width: 100%; text-align: left; padding: 8px 10px; border-radius: 6px;
  color: var(--text); font-size: 14px;
}
.user-menu-dropdown a:hover, .user-menu-dropdown .link-btn:hover { background: var(--card-bg-hover); text-decoration: none; }
.user-menu-dropdown form { margin: 0; }

.link-btn {
  background: none; border: none; color: var(--primary); cursor: pointer;
  font-size: 14px; padding: 0; font-family: inherit;
}
.link-btn:hover { text-decoration: underline; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.subtitle { color: var(--muted); margin: 0 0 20px; }
.count { color: var(--muted); font-weight: normal; }

.login-box {
  max-width: 360px; margin: 60px auto; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 12px; padding: 32px;
}
.login-box h1 { text-align: center; }
.login-box .subtitle { text-align: center; }

form label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit; background: var(--card-bg); color: var(--text);
}
textarea { resize: vertical; }
label.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); margin: 12px 0 4px; }
label.checkbox-label input { width: auto; }

.btn-primary, .btn-secondary, .btn-danger {
  display: inline-flex; align-items: center; justify-content: center;
  height: 36px; padding: 0 16px; border-radius: 6px; font-size: 14px;
  cursor: pointer; text-decoration: none; box-sizing: border-box; border: 1px solid transparent;
}
.btn-primary { margin-top: 16px; background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--card-bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--card-bg-hover); text-decoration: none; }
.btn-small { height: 28px; padding: 0 10px; font-size: 13px; margin-top: 0; }
.btn-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.btn-danger:hover { background: var(--danger-border); }

.action-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }

.alert { padding: 10px 14px; border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.alert-ok { background: var(--ok-bg); color: var(--ok); border: 1px solid var(--ok-border); }
.alert-info { background: var(--tag-bg); color: var(--tag-text); border: 1px solid transparent; }

.data-table {
  width: 100%; border-collapse: collapse; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 8px;
}
.data-table th, .data-table td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px;
}
.data-table thead tr:first-child th:first-child { border-top-left-radius: 8px; }
.data-table thead tr:first-child th:last-child { border-top-right-radius: 8px; }
.data-table tbody tr:last-child td:first-child { border-bottom-left-radius: 8px; }
.data-table tbody tr:last-child td:last-child { border-bottom-right-radius: 8px; }
.data-table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.data-table td.text-center { text-align: center; }
.data-table tr.inativo { opacity: 0.55; }
.empty { text-align: center; color: var(--muted); padding: 30px; }
.table-scroll { overflow-x: auto; }

.tag { background: var(--tag-bg); color: var(--tag-text); padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.tag-ok { background: var(--ok-bg); color: var(--ok); }
.tag-warn { background: var(--warn-bg); color: var(--warn-text); }
.tag-danger { background: var(--danger-bg); color: var(--danger); }

.check-ok { color: var(--ok); font-weight: 700; }
.check-bad { color: var(--danger); font-weight: 700; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 18px; overflow-wrap: break-word; min-width: 0; }
.card-wide { grid-column: 1 / -1; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 16px; }
.full-width { grid-column: 1 / -1; }

@media (max-width: 720px) {
  .detail-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Dashboard */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px; }
@media (max-width: 900px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .kpi-grid { grid-template-columns: 1fr; } }
.kpi-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; display: flex; flex-direction: column; }
.kpi-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 8px; }
.kpi-value { font-size: 26px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; line-height: 1.2; }
.kpi-value .kpi-of { font-size: 15px; font-weight: 500; color: var(--muted); }
.kpi-sub { font-size: 12px; color: var(--muted); margin-top: 6px; }
.kpi-highlight .kpi-value { color: var(--primary); }

.progress-track { background: var(--bg); border-radius: 5px; height: 10px; overflow: hidden; margin-top: 8px; }
.progress-fill { background: var(--ok); height: 100%; border-radius: 5px; }

.email-frame-wrap { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #fff; }
.email-frame { width: 100%; height: 640px; border: none; display: block; background: #fff; }

.legal-refs { font-size: 13px; color: var(--muted); }
.legal-refs code { background: var(--tag-bg); color: var(--tag-text); padding: 1px 5px; border-radius: 4px; }

.senha-gerada-box {
  margin-top: 16px; padding: 14px 16px; border-radius: 8px;
  background: var(--warn-bg); border: 1px solid var(--warn-border, var(--warn)); color: var(--warn-text);
}
.senha-gerada-box code { font-size: 15px; font-weight: 700; background: rgba(0,0,0,0.06); padding: 2px 8px; border-radius: 4px; }

.inline-form { display: inline; }
.edit-row { display: none; background: var(--card-bg-hover); }
.edit-row.open { display: table-row; }
.edit-row td { padding: 16px 12px; }