:root {
  --bg: #F6F5F1;
  --surface: #FFFFFF;
  --border: #E4E1DA;
  --text: #1C1B18;
  --muted: #6B6759;
  --accent: #2563EB;
  --accent-strong: #1D4ED8;
  --topbar: #14151A;
  --topbar-text: #F6F5F1;
  --topbar-muted: #A9ADBB;
  --topbar-input: #21232B;
  --topbar-border: #34363F;
  --high: #B42318; --high-bg: #FEF3F2;
  --medium: #B54708; --medium-bg: #FFFAEB;
  --low: #175CD3; --low-bg: #EFF8FF;
  --info: #4B5563; --info-bg: #F3F4F6;
  --ok: #34D399; --pending: #D1A94A;
  --pending-text: #7A5B00; --pending-border: #FDE8B5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111216;
    --surface: #1A1B21;
    --border: #2C2E36;
    --text: #ECEAE4;
    --muted: #A09C90;
    --accent: #5B8DEF;
    --accent-strong: #7AA2F2;
    --high-bg: #3A1A17; --high: #F97066;
    --medium-bg: #3A2A12; --medium: #FDB022;
    --low-bg: #142640; --low: #84CAFF;
    --info-bg: #262830; --info: #C4C7CF;
    --pending-text: #FDE8B5; --pending-border: #5C4A1A;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); }
a:hover { color: var(--accent-strong); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

.topbar {
  background: var(--topbar);
  color: var(--topbar-text);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--topbar-text); text-decoration: none; font-size: 18px; font-weight: 600; }
.brand svg { color: var(--accent); }
.brand:hover { color: var(--topbar-text); }
.search { flex: 1; max-width: 420px; }
.search input {
  width: 100%;
  background: var(--topbar-input);
  border: 1px solid var(--topbar-border);
  border-radius: 8px;
  color: var(--topbar-text);
  padding: 9px 14px;
  font: inherit;
  font-size: 14px;
}
.user { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--topbar-muted); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; }
.link-btn { background: none; border: 0; color: var(--topbar-muted); font: inherit; font-size: 13px; cursor: pointer; text-decoration: underline; padding: 0; }
.link-btn:hover { color: var(--topbar-text); }

main { max-width: 1180px; margin: 0 auto; padding: 32px 40px 56px; display: flex; flex-direction: column; gap: 28px; }

.state { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 40px; text-align: center; }
.state h1 { font-size: 20px; margin: 0 0 8px; }
.state p { color: var(--muted); margin: 0 0 20px; }
.state-error h1 { color: var(--high); }
.spinner { width: 28px; height: 28px; margin: 0 auto 12px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-size: 14px; font-weight: 600;
  border-radius: 7px; padding: 9px 16px; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; border: 0; }
.btn-primary:hover { background: var(--accent-strong); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }

#view-list { display: flex; flex-direction: column; gap: 28px; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 10px; padding: 16px 18px; }
.kpi-high { border-left-color: var(--high); }
.kpi-medium { border-left-color: var(--medium); }
.kpi-low { border-left-color: var(--low); }
.kpi-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.kpi-value { font-size: 26px; font-weight: 600; margin-top: 6px; }

.clients { display: flex; flex-direction: column; gap: 12px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.section-head h1 { font-size: 17px; font-weight: 600; margin: 0; }
.section-head span { font-size: 13px; }
#client-list { display: flex; flex-direction: column; gap: 12px; }

.client { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.client-row { display: flex; align-items: center; gap: 10px; padding: 6px 10px 6px 6px; }
.toggle { background: none; border: 0; cursor: pointer; padding: 10px; border-radius: 8px; display: flex; color: var(--muted); }
.toggle:hover { background: var(--info-bg); }
.toggle svg { transition: transform 0.15s ease; }
.client.open .toggle svg { transform: rotate(90deg); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); flex-shrink: 0; }
.dot.pending { background: var(--pending); }
.client-main { flex: 1; min-width: 0; text-decoration: none; color: inherit; padding: 8px 0; }
.client-main:hover { color: inherit; }
.client-name { font-size: 15px; font-weight: 600; }
.client-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.pills { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.pill { border-radius: 999px; padding: 3px 10px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.sev-high { background: var(--high-bg); color: var(--high); }
.sev-medium { background: var(--medium-bg); color: var(--medium); }
.sev-low { background: var(--low-bg); color: var(--low); }
.sev-info { background: var(--info-bg); color: var(--info); }
.waste { font-size: 13px; color: var(--muted); min-width: 96px; text-align: right; white-space: nowrap; }
.open-link { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 7px; background: var(--info-bg); color: var(--info); flex-shrink: 0; }

.client-detail { border-top: 1px solid var(--border); padding: 18px 18px 20px 46px; display: flex; flex-direction: column; gap: 14px; }
.detail-row { display: flex; gap: 28px; flex-wrap: wrap; }
.detail-label { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 6px; }
.detail-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.detail-badges span { border-radius: 6px; padding: 4px 10px; font-size: 12.5px; font-weight: 600; }
.mono { font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.pending-box { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--medium-bg); border: 1px solid var(--pending-border); border-radius: 8px; padding: 12px 16px; font-size: 13.5px; color: var(--pending-text); }
.empty { text-align: center; padding: 24px 0; }

.report-head { display: flex; flex-direction: column; gap: 6px; }
.report-head h1 { font-size: 22px; margin: 0; }
.back { font-size: 14px; text-decoration: none; }
.report-meta { font-size: 13px; }
#view-report { display: flex; flex-direction: column; gap: 16px; }
#report-frame { width: 100%; height: calc(100vh - 220px); min-height: 480px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }

@media (max-width: 860px) {
  .topbar { padding: 12px 16px; gap: 12px; flex-wrap: wrap; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .user-name { display: none; }
  main { padding: 20px 16px 40px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .client-row { flex-wrap: wrap; }
  .pills { order: 5; flex-basis: 100%; justify-content: flex-start; padding-left: 46px; }
  .waste { min-width: 0; }
  .client-detail { padding-left: 18px; }
}
.detail-actions { margin-top: 14px; }