:root {
  --bg: #0f1117;
  --panel: #171a23;
  --panel-2: #1e222e;
  --border: #2a2f3d;
  --text: #e6e8ef;
  --text-dim: #99a0b3;
  --primary: #5b6cff;
  --primary-dim: #3a44a8;
  --success: #33c27f;
  --danger: #ef5a6f;
  --warning: #f0a742;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--primary); }
button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 9px;
  padding: 9px 16px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--danger); }
button.ghost { background: transparent; color: var(--text-dim); }
button:disabled { opacity: .5; cursor: not-allowed; }

input, select, textarea {
  font: inherit;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  width: 100%;
}
textarea { min-height: 74px; resize: vertical; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }
label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }

/* ---------- login ---------- */
#login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
#login .card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
#login h1 { margin: 0 0 6px; font-size: 20px; }
#login p { color: var(--text-dim); margin: 0 0 22px; }
#login .err { color: var(--danger); font-size: 13px; margin-top: 14px; min-height: 18px; }

/* ---------- shell ---------- */
#app { display: none; grid-template-columns: 224px 1fr; min-height: 100vh; }
#app.ready { display: grid; }

aside {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
aside .brand { font-weight: 800; padding: 8px 12px 16px; font-size: 15px; }
aside .brand small { display: block; color: var(--text-dim); font-weight: 500; font-size: 11px; }
nav button {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text-dim);
  font-weight: 600;
  padding: 9px 12px;
  border-radius: 8px;
}
nav button.active { background: var(--panel-2); color: var(--text); }
aside .who { margin-top: auto; font-size: 11px; color: var(--text-dim); padding: 10px 12px; word-break: break-all; }

main { padding: 26px 30px 80px; max-width: 900px; }
.section { display: none; }
.section.active { display: block; }
.section > h2 { margin: 0 0 4px; font-size: 19px; }
.section > .hint { color: var(--text-dim); margin: 0 0 20px; font-size: 13px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 14px; font-size: 14px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid .full { grid-column: 1 / -1; }
@media (max-width: 680px) { .grid { grid-template-columns: 1fr; } #app { grid-template-columns: 1fr; } aside { flex-direction: row; flex-wrap: wrap; } }

.toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--border); }
.toggle-row:last-child { border-bottom: none; }
.toggle-row span { font-size: 13px; }
.switch { position: relative; width: 42px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider { position: absolute; inset: 0; background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; transition: .15s; }
.switch .slider::before { content: ""; position: absolute; height: 18px; width: 18px; left: 2px; top: 2px; background: #6b7280; border-radius: 50%; transition: .15s; }
.switch input:checked + .slider { background: var(--primary-dim); border-color: var(--primary); }
.switch input:checked + .slider::before { transform: translateX(18px); background: var(--primary); }

.row-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
  background: var(--panel-2);
}
.row-item .fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.row-item .fields .wide { grid-column: 1 / -1; }

.bar {
  position: sticky;
  bottom: 0;
  margin: 24px -30px -80px;
  padding: 14px 30px;
  background: linear-gradient(transparent, var(--bg) 40%);
  display: flex;
  gap: 10px;
  align-items: center;
}
.bar .status { color: var(--text-dim); font-size: 12px; margin-left: auto; }
.bar .status.ok { color: var(--success); }
.bar .status.err { color: var(--danger); }

.pill { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--text-dim); }
.list-empty { color: var(--text-dim); font-size: 13px; padding: 8px 0; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }