:root {
  --nova-bg: #06101c;
  --nova-surface: #0d1b2d;
  --nova-line: #2a4a6a;
  --nova-text: #eef6ff;
  --nova-muted: #9db6ce;
  --nova-accent: #3b9bff;
  --nova-warn: #ffb020;
  --nova-ok: #3ad15a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 80% -12%, rgba(59, 155, 255, 0.16), transparent 42%),
    var(--nova-bg);
  color: var(--nova-text);
  font-family: "Segoe UI", Tahoma, sans-serif;
}

.brand-kicker {
  margin: 0;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--nova-accent);
  font-size: 0.75rem;
}

.page-header, .page-main {
  width: min(880px, calc(100% - 24px));
  margin: 0 auto;
}

.page-header {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 0 8px;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-nav a,
button {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
}

.page-nav a {
  border: 1px solid var(--nova-line);
  color: var(--nova-text);
  background: var(--nova-surface);
}

.page-nav a[aria-current="page"] {
  border-color: var(--nova-accent);
  color: var(--nova-accent);
}

.disclaimer, .hint, .definition {
  color: var(--nova-muted);
  line-height: 1.45;
}

.banner {
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 176, 32, 0.12);
  border: 1px solid var(--nova-warn);
}

.banner.ok {
  background: rgba(59, 155, 255, 0.12);
  border-color: var(--nova-accent);
}

.hidden { display: none !important; }

.panel {
  background: var(--nova-surface);
  border: 1px solid var(--nova-line);
  border-radius: 16px;
  padding: 16px;
  margin: 16px 0;
}

.command-actions, .login-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.login-grid input {
  flex: 1 1 220px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--nova-line);
  background: #082033;
  color: var(--nova-text);
}

button {
  border: 0;
  background: var(--nova-accent);
  color: #041018;
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--nova-text);
  border: 1px solid var(--nova-line);
}

.window-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.window-btn[aria-pressed="true"] {
  border-color: var(--nova-accent);
  color: var(--nova-accent);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.metric-card {
  border: 1px solid var(--nova-line);
  border-radius: 12px;
  padding: 14px;
  min-height: 170px;
}

.metric-card h3 { margin: 0 0 8px; }

.metric-card .state {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  color: var(--nova-ok);
}

.metric-card .state.pending { color: var(--nova-warn); }
.metric-card .state.calculated { color: var(--nova-accent); }
.metric-card .state.unavailable { color: var(--nova-muted); }

.metric-card .window-label {
  margin: 4px 0 0;
  font-size: 0.78rem;
  color: var(--nova-muted);
}

.metric-card .source-note {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: var(--nova-muted);
  line-height: 1.4;
}

.metric-card .value {
  margin: 10px 0 8px;
  font-size: 1.45rem;
  font-weight: 700;
}

.metric-card .definition { margin: 0; font-size: 0.85rem; }

.aging-group {
  border: 1px solid var(--nova-line);
  border-radius: 12px;
  padding: 14px;
  margin: 12px 0;
}

.aging-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin: 10px 0;
}

.aging-meta p { margin: 0; }

.bucket-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}

.bucket-card {
  border: 1px solid var(--nova-line);
  border-radius: 10px;
  padding: 10px;
}

.bucket-card h4 { margin: 0 0 6px; font-size: 0.9rem; }

.currency-block { margin-top: 12px; }

.trend-stream {
  border: 1px solid var(--nova-line);
  border-radius: 12px;
  padding: 14px;
  margin: 14px 0;
}

.trend-chart {
  width: 100%;
  overflow-x: auto;
}

.trend-chart svg {
  min-width: 280px;
  width: 100%;
  height: 180px;
}

.trend-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.9rem;
}

.trend-table th, .trend-table td {
  border-bottom: 1px solid var(--nova-line);
  text-align: left;
  padding: 8px 6px;
}

.trend-table caption {
  text-align: left;
  color: var(--nova-muted);
  padding-bottom: 8px;
}

@media (max-width: 720px) {
  .page-header, .page-main { width: calc(100% - 16px); }
  .page-nav a, button { width: 100%; }
  .command-actions, .login-grid, .window-controls { flex-direction: column; }
}

@media (min-width: 1280px) {
  .page-header, .page-main { width: min(980px, calc(100% - 40px)); }
}

@media (min-width: 1600px) {
  .page-header, .page-main { width: min(1080px, calc(100% - 64px)); }
}


.document-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.document-form label { display: grid; gap: 6px; }

.document-form input[type="file"] {
  width: 100%;
  min-height: 44px;
  padding: 8px;
  border: 1px solid var(--nova-line);
  border-radius: 10px;
  background: #082033;
  color: var(--nova-text);
}

.document-result {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.document-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
}

.document-field {
  border: 1px solid var(--nova-line);
  border-radius: 10px;
  padding: 10px;
}

.document-field strong { display: block; margin-bottom: 5px; }
.document-warnings { margin: 0; padding-left: 20px; color: var(--nova-warn); }
.document-check-ok { color: var(--nova-ok); }
.document-check-review { color: var(--nova-warn); }

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