:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --bg-elev: #141b22;
  --border: #2d3a4d;
  --line: #2a3540;
  --text: #e8eef7;
  --fg: #e7ecf1;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --ok: #2ecc71;
  --warn: #f1c40f;
  --danger: #e35d6a;
  --err: #e74c3c;
  --radius: 10px;
  --sidebar-w: 13.5rem;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  min-height: 100vh;
}

.hidden { display: none !important; }

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: #121820;
}

.login-card {
  width: 100%;
  max-width: 22rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.brand-mark {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.login-card h1,
.topbar h1 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.lead, .subtitle, .muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.lead { margin: 0 0 1rem; }
.subtitle { margin: 0.15rem 0 0; }

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.5rem 0 0.25rem;
}

.login-card input { width: 100%; display: block; }

input, select {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #0a0e12;
  color: var(--fg);
}

button, .btn-secondary, .quick-actions a {
  margin-top: 0.75rem;
  padding: 0.55rem 0.9rem;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-size: 0.9rem;
}

button:disabled, .btn-secondary:disabled {
  opacity: 0.55;
  cursor: wait;
}

button.is-busy {
  position: relative;
}

.upload-status {
  min-height: 1.25rem;
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
}

.upload-status.is-busy {
  color: var(--accent, #3b82f6);
  font-weight: 600;
}

.upload-status.is-ok {
  color: #3d9a6a;
}

.upload-status.is-err {
  color: var(--danger, #e35d6a);
}

.upload-progress {
  margin-top: 0.5rem;
}

.upload-progress.hidden {
  display: none;
}

.upload-progress-track {
  height: 10px;
  border-radius: 999px;
  background: #1a2330;
  border: 1px solid var(--border);
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2563eb, #38bdf8);
  transition: width 0.15s ease-out;
}

.upload-progress-bar.is-indeterminate {
  width: 40% !important;
  animation: upload-indeterminate 1.1s ease-in-out infinite;
}

@keyframes upload-indeterminate {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(280%); }
}

.upload-progress-label {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.btn-secondary, .quick-actions a {
  background: #1e3a5f;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-weight: 500;
}

.btn-danger-soft {
  background: transparent;
  color: var(--danger);
  border: 1px solid #5a3038;
  margin-top: 0;
  padding: 0.3rem 0.55rem;
  font-size: 0.8rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.btn-row button {
  margin-top: 0;
  padding: 0.3rem 0.55rem;
  font-size: 0.8rem;
}

.foot { margin-top: 1.25rem; }
.foot a { color: var(--muted); }

.msg { color: var(--danger); min-height: 1.2rem; font-size: 0.9rem; }
.msg.ok { color: var(--ok); }

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-elev);
  padding: 1.25rem 1rem;
}

.sidebar-brand { margin-bottom: 1.25rem; }
.sidebar-sub { margin: 0; color: var(--muted); font-size: 0.85rem; }

.nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.nav-link:hover { background: #1a2430; color: var(--text); }
.nav-link.active {
  background: #1e3a5f;
  color: var(--text);
  font-weight: 600;
}

.main { min-width: 0; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.header-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--muted);
}

.badge-readonly {
  background: #1a3a2a;
  color: #7dcea0;
  border-color: #2a5a3e;
}

.badge-user { background: #1a2a3a; color: #9ec5fe; }
.badge-env { background: #2a2a1a; color: #e8c48a; }
.badge-env.demo { background: #1a3a2a; color: #7dcea0; border-color: #2a5a3e; }
.badge-env.live { background: #3a1a1a; color: #e8a0a0; border-color: #5a3030; }

.content {
  padding: 1.25rem 1.5rem 2.5rem;
  max-width: 72rem;
}

.view h2 {
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
}

.view h3 {
  font-size: 0.95rem;
  margin: 1rem 0 0.35rem;
  color: var(--muted);
}

.card {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 1rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.kpi { margin-bottom: 0; }
.kpi-label { margin: 0; font-size: 0.8rem; color: var(--muted); }
.kpi-value {
  margin: 0.35rem 0 0;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  word-break: break-all;
}
.kpi-small { font-size: 0.95rem; font-weight: 600; }

.kv {
  display: grid;
  gap: 0.45rem;
  margin: 0;
}
.kv > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.5rem;
  font-size: 0.9rem;
}
.kv dt { margin: 0; color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

.banner {
  margin: 0 1.5rem 1rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elev);
}
.banner.warn {
  border-color: #5a4030;
  color: #e8c48a;
  margin: 0.75rem 0 0;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.row input, .row select { flex: 1 1 8rem; }
.row button { margin-top: 0; }
.stack { display: flex; flex-direction: column; gap: 0.35rem; }
.stack.narrow { max-width: 24rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-top: 0.35rem; }
th, td { text-align: left; padding: 0.45rem 0.35rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
code { font-size: 0.85rem; word-break: break-all; }
ol { margin: 0.35rem 0 0.75rem 1.2rem; color: var(--muted); font-size: 0.9rem; }

.mcp-url-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.mcp-url-row button { margin-top: 0; }

.nav-toggle {
  display: none;
  margin: 0;
  padding: 0.35rem 0.55rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 15;
}

@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(80vw, var(--sidebar-w));
    z-index: 20;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .sidebar-backdrop { display: block; }
  .nav-toggle { display: inline-block; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kv > div { grid-template-columns: 1fr; }
}