:root {
  --bg0: #0b1220;
  --bg1: #121c2e;
  --line: rgba(148, 163, 184, 0.22);
  --text: #e8eef8;
  --muted: #93a4bd;
  --accent: #2dd4bf;
  --danger: #f87171;
  --ok: #4ade80;
  --warn: #fbbf24;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(45, 212, 191, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(56, 189, 248, 0.1), transparent 50%),
    linear-gradient(160deg, var(--bg0), #0a1628 45%, #0d1a2f);
}

[hidden],
.login-shell[hidden],
#login-view[hidden],
#app-view[hidden],
.is-hidden {
  display: none !important;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-panel {
  width: min(420px, 100%);
  padding: 36px 32px;
  background: linear-gradient(180deg, rgba(26, 39, 64, 0.92), rgba(18, 28, 46, 0.96));
  border: 1px solid var(--line);
  border-radius: 18px;
}
.brand {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}
.login-panel h1 { margin: 8px 0 6px; font-size: 1.7rem; letter-spacing: -0.03em; }
.sub { margin: 0 0 24px; color: var(--muted); line-height: 1.45; font-size: 0.95rem; }
label {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--muted);
}
label.check { display: flex; align-items: center; gap: 8px; margin: 0; }
input, select, button, textarea { font: inherit; }
input, select {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(8, 14, 26, 0.7);
  color: var(--text);
}
button {
  cursor: pointer;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--accent), #22d3ee);
  color: #042f2e;
  font-weight: 700;
}
button.secondary { background: rgba(100, 116, 139, 0.35); color: var(--text); }
button.alt { background: linear-gradient(135deg, #8b5cf6, #6366f1); color: #fff; }
button.warn { background: rgba(251, 191, 36, 0.25); color: var(--warn); }
button.danger { background: rgba(248, 113, 113, 0.2); color: var(--danger); }
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.error { color: var(--danger); margin-top: 10px; }
.muted { color: var(--muted); font-size: 0.9rem; }

.app {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}
.side {
  padding: 18px 12px;
  border-right: 1px solid var(--line);
  background: rgba(8, 14, 26, 0.72);
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}
.side-brand { display: flex; gap: 12px; align-items: center; padding: 0 6px; }
.mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--accent), #0284c7);
  color: #042f2e;
  font-weight: 800;
}
.side-brand strong { display: block; }
.side-brand small { color: var(--muted); }
nav { display: grid; gap: 3px; flex: 1; }
nav button {
  text-align: left;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.86rem;
  padding: 9px 12px;
}
nav button.active, nav button:hover {
  background: rgba(45, 212, 191, 0.12);
  color: var(--text);
}
main { padding: 20px 26px 40px; overflow-x: auto; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.top h2 { margin: 0; letter-spacing: -0.02em; font-size: 1.35rem; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pill.ok { color: var(--ok); border-color: rgba(74, 222, 128, 0.35); }
.pill.bad { color: var(--danger); border-color: rgba(248, 113, 113, 0.35); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat, .panel {
  background: rgba(18, 28, 46, 0.72);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}
.stat span { color: var(--muted); font-size: 0.8rem; }
.stat strong { display: block; margin-top: 8px; font-size: 1.55rem; font-family: var(--mono); }
.stat.c-blue { border-color: rgba(59, 130, 246, 0.45); }
.stat.c-green { border-color: rgba(16, 185, 129, 0.45); }
.stat.c-orange { border-color: rgba(249, 115, 22, 0.45); }
.stat.c-purple { border-color: rgba(139, 92, 246, 0.45); }
.panel h3 { margin: 0 0 12px; }
.kv { margin: 0; display: grid; grid-template-columns: 180px 1fr; gap: 8px 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); font-size: 0.9rem; }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.toolbar h3 { margin: 0; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.form-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px 12px;
  align-items: end;
}
.form-panel.stacked { grid-template-columns: 1fr; max-width: 560px; }
.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.inline-form input { flex: 1; min-width: 180px; }

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 14px;
}
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-weight: 600; background: rgba(8, 14, 26, 0.45); white-space: nowrap; }
td { font-family: var(--mono); font-size: 0.8rem; }
td .row-actions { display: flex; flex-wrap: wrap; gap: 6px; }
td button { padding: 5px 9px; font-size: 0.72rem; }

.bar-chart { display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr 40px; gap: 10px; align-items: center; }
.bar-track {
  height: 18px;
  border-radius: 8px;
  background: rgba(8, 14, 26, 0.6);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #22d3ee);
  border-radius: 8px;
  min-width: 0;
}
.bar-row span { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }

.file-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(100, 116, 139, 0.35);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  margin: 0;
}

.log {
  margin: 0;
  padding: 14px;
  max-height: 65vh;
  overflow: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(8, 14, 26, 0.8);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
  white-space: pre-wrap;
}

@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); max-height: 40vh; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .kv { grid-template-columns: 1fr; }
}