:root {
  --bg0: #0a100e;
  --bg1: #121c18;
  --bg2: #182620;
  --panel: rgba(18, 32, 26, 0.88);
  --ink: #e7f2ec;
  --muted: #8fa899;
  --line: #24352d;
  --accent: #3dba7a;
  --accent2: #1f8f5a;
  --danger: #e85d5d;
  --warn: #d6a84a;
  --ok: #3dba7a;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --nav-w: 240px;
  --radius: 14px;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --display: Syne, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg0); color: var(--ink); font-family: var(--font); }
body {
  background:
    radial-gradient(900px 500px at 0% -10%, #1a3d2c 0%, transparent 55%),
    radial-gradient(700px 400px at 100% 0%, #163528 0%, transparent 45%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
}
a { color: var(--accent); text-decoration: none; }
button, input, select, textarea {
  font: inherit; color: inherit; background: var(--bg2); border: 1px solid var(--line);
  border-radius: 10px; padding: 0.65rem 0.8rem;
}
button {
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  border: none; color: #04140c; font-weight: 600; cursor: pointer;
}
button.ghost, button.secondary {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
}
button.danger { background: var(--danger); color: #fff; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); }
.mono { font-family: var(--mono); font-size: 0.92em; }

.login-view {
  min-height: 100vh; display: grid; place-items: center; padding: 2rem;
  animation: fadeUp 0.45s ease both;
}
.login-panel {
  width: min(420px, 100%); padding: 2rem; border: 1px solid var(--line);
  border-radius: 22px; background: var(--panel); box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.72rem; color: var(--muted); margin: 0 0 0.4rem; }
.brand { font-family: var(--display); font-size: clamp(2rem, 5vw, 2.8rem); margin: 0; letter-spacing: -0.04em; }
.tag { color: var(--muted); line-height: 1.5; margin: 0.6rem 0 1.4rem; }
.login-panel label { display: grid; gap: 0.35rem; margin-bottom: 0.8rem; font-size: 0.9rem; color: var(--muted); }
.login-panel button { width: 100%; margin-top: 0.4rem; padding: 0.8rem; }

.shell { display: grid; grid-template-columns: var(--nav-w) 1fr; min-height: 100vh; }
.nav {
  border-right: 1px solid var(--line); background: rgba(8, 14, 12, 0.72);
  padding: 1.1rem 0.9rem; display: flex; flex-direction: column; gap: 1rem;
  position: sticky; top: 0; height: 100vh;
}
.nav-brand { display: flex; gap: 0.75rem; align-items: center; padding: 0.4rem 0.5rem 0.8rem; }
.nav-brand strong { display: block; font-family: var(--display); letter-spacing: -0.03em; }
.nav-brand small { color: var(--muted); }
.nav-mark {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--accent), #0f3d28); color: #04140c;
  font-family: var(--display); font-weight: 800;
}
#main-nav { display: grid; gap: 0.25rem; }
#main-nav a {
  color: var(--muted); padding: 0.7rem 0.8rem; border-radius: 10px; border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}
#main-nav a:hover { color: var(--ink); background: rgba(61, 186, 122, 0.06); }
#main-nav a.active {
  color: var(--ink); border-color: var(--line); background: rgba(61, 186, 122, 0.12);
  transform: translateX(2px);
}
.nav-foot { margin-top: auto; display: grid; gap: 0.6rem; }
.legacy summary { cursor: pointer; color: var(--muted); }
.legacy { color: var(--muted); font-size: 0.88rem; }
.legacy a { display: block; padding: 0.25rem 0; color: var(--muted); }
.legacy a:hover { color: var(--accent); }

.main { padding: 1.25rem 1.5rem 2.5rem; min-width: 0; }
.top { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; margin-bottom: 1.1rem; }
.top h2 { margin: 0; font-family: var(--display); letter-spacing: -0.03em; font-size: 1.7rem; }
.top-right { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.7rem;
  color: var(--muted); font-size: 0.85rem; background: rgba(0,0,0,0.2);
}
.health-strip { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.pill {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em;
  border-radius: 999px; padding: 0.28rem 0.55rem; border: 1px solid var(--line); color: var(--muted);
}
.pill.ok { color: var(--ok); border-color: rgba(61,186,122,0.45); background: rgba(61,186,122,0.08); }
.pill.bad { color: var(--danger); border-color: rgba(232,93,93,0.45); background: rgba(232,93,93,0.08); }

.content { animation: fadeUp 0.28s ease both; }
.grid { display: grid; gap: 0.9rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stat, .panel {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  padding: 1rem 1.05rem; box-shadow: var(--shadow);
}
.stat strong { display: block; font-family: var(--display); font-size: 1.7rem; margin-top: 0.25rem; }
.stat span, .panel h3 { color: var(--muted); font-size: 0.86rem; margin: 0; font-weight: 500; }
.panel h3 { margin-bottom: 0.8rem; }
.panel + .panel, .toolbar + .panel, .grid + .panel, .panel + .grid { margin-top: 0.9rem; }

.toolbar { display: flex; gap: 0.55rem; flex-wrap: wrap; align-items: center; margin-bottom: 0.9rem; }
.toolbar input, .toolbar select { min-width: 180px; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.65rem 0.45rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
tr:hover td { background: rgba(61, 186, 122, 0.04); }
.row-actions { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.row-actions button { padding: 0.35rem 0.55rem; font-size: 0.82rem; }

.form-grid { display: grid; gap: 0.7rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.form-grid label { display: grid; gap: 0.3rem; color: var(--muted); font-size: 0.85rem; }
.form-actions { display: flex; gap: 0.5rem; margin-top: 0.8rem; }

.split { display: grid; gap: 0.9rem; grid-template-columns: 1.1fr 1.4fr; }
@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .nav { position: relative; height: auto; }
  .split { grid-template-columns: 1fr; }
}

.empty { color: var(--muted); padding: 1.2rem 0; }
.banner {
  border: 1px solid var(--line); border-radius: 12px; padding: 0.75rem 0.9rem; margin-bottom: 0.9rem;
  background: rgba(214, 168, 74, 0.08); color: #f0d59a;
}
.banner.error { background: rgba(232,93,93,0.08); color: #f0b0b0; border-color: rgba(232,93,93,0.35); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}