:root {
  --bg: #050312;
  --bg-sidebar: #08061a;
  --bg-elev: #1a1a2e;
  --bg-card: rgba(20, 20, 20, 0.85);
  --border: rgba(212, 173, 252, 0.2);
  --text: #d4d4d4;
  --text-strong: #e8d4ff;
  --muted: #8b8aa3;
  --accent: #ffb3d9;
  --accent-hi: #ffd1e3;
  --lavender: #d4adfc;
  --y2k-blue: #a8d8ff;
  --y2k-mint: #b8f4d3;
  --danger: #ff6b9d;
  --ok: #88f5d0;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  background-image:
    radial-gradient(ellipse at top, rgba(255,179,217,0.10), transparent 55%),
    radial-gradient(ellipse at 20% 60%, rgba(212,173,252,0.08), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(168,216,255,0.06), transparent 60%);
}
a { color: var(--accent-hi); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
pre { padding: 12px; overflow: auto; }

/* ----- login page ----- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(8px);
}
.brand {
  margin: 0 0 18px 0;
  font-weight: 600;
  color: var(--text-strong);
  text-align: center;
  letter-spacing: 1px;
}
.login-card label {
  display: block;
  margin-bottom: 14px;
}
.login-card label > span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
  text-transform: lowercase;
  letter-spacing: 0.5px;
}
input[type=text], input[type=password], input[type=number], select {
  width: 100%;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--lavender));
  color: #1a0820;
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.5px;
}
button:hover { filter: brightness(1.05); }
button:disabled { opacity: 0.6; cursor: not-allowed; }
.err { color: var(--danger); font-size: 13px; margin: 10px 0 0 0; }
.ok  { color: var(--ok); font-size: 13px; margin: 10px 0 0 0; }

/* ----- panel ----- */
.panel-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}
.panel-side {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 18px 16px;
  overflow-y: auto;
  max-height: 100vh;
}
.panel-main {
  padding: 24px 28px;
  overflow-y: auto;
  max-height: 100vh;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.panel-head h1 {
  margin: 0;
  font-size: 18px;
  color: var(--text-strong);
}
.panel-head .right {
  font-size: 12px;
  color: var(--muted);
}
.panel-head .right a { margin-left: 12px; }

.section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 18px 0 8px 0;
}
.cat-block { margin-bottom: 14px; }
.cat-name {
  font-size: 11px;
  color: var(--lavender);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 4px;
  margin-top: 6px;
}
.ch-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: 6px;
  font-size: 13px;
}
.ch-row:hover { background: rgba(212,173,252,0.06); }
.ch-row input { width: auto; }
.ch-row label {
  cursor: pointer;
  color: var(--text);
  flex: 1;
  word-break: break-word;
}
.ch-type {
  color: var(--muted);
  font-size: 11px;
  width: 14px;
  text-align: center;
}

.form-row { margin-bottom: 14px; }
.form-row label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
  text-transform: lowercase;
  letter-spacing: 0.5px;
}
.controls {
  display: flex;
  gap: 10px;
  align-items: end;
  margin-top: 8px;
  margin-bottom: 14px;
}
.controls > * { flex: 1; }
.controls button { flex: 0 0 auto; min-width: 120px; }

.summary-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 14px;
}
.summary-box h3 {
  margin: 0 0 8px 0;
  color: var(--text-strong);
  font-size: 14px;
}
.summary-box .kv { font-size: 13px; }
.summary-box .kv span { color: var(--muted); margin-right: 6px; }

.warn-banner {
  background: rgba(255,107,157,0.08);
  border: 1px solid rgba(255,107,157,0.3);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--danger);
  margin-bottom: 14px;
}

.muted { color: var(--muted); font-size: 12px; }
.spinner {
  display: inline-block;
  width: 12px; height: 12px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }