:root {
  --bg: #0f1115;
  --card: #1a1d24;
  --border: #2a2e37;
  --text: #e6e8eb;
  --muted: #9aa0aa;
  --primary: #3b82f6;
  --danger: #ef4444;
  --ok: #22c55e;
  --srt: #e11d48;
  --ktx: #0ea5e9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 20px; margin: 0; }

.header-right { display: flex; align-items: center; gap: 12px; }
.user-label { color: var(--muted); font-size: 13px; }
button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
button.ghost:hover { color: var(--text); border-color: var(--primary); }

.rail-toggle { display: flex; gap: 6px; }
.rail-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}
.rail-btn.active[data-rail="SRT"] { background: var(--srt); color: #fff; border-color: var(--srt); }
.rail-btn.active[data-rail="KTX"] { background: var(--ktx); color: #fff; border-color: var(--ktx); }

.tabs { display: flex; gap: 4px; padding: 0 20px; border-bottom: 1px solid var(--border); }
.tab {
  padding: 12px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 15px;
}
.tab.active { color: var(--text); border-bottom-color: var(--primary); }

main { max-width: 760px; margin: 0 auto; padding: 20px; }
.panel { display: none; }
.panel.active { display: block; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 14px; font-size: 16px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 5px; }
label.checkbox, .checks label { flex-direction: row; align-items: center; gap: 6px; color: var(--text); }

select, input[type="text"], input[type="password"] {
  background: #0f1115;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 14px;
}

.checks { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }

button.primary, button.danger {
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
}
button.primary { background: var(--primary); color: #fff; }
button.danger { background: var(--danger); color: #fff; }
button:disabled { opacity: .5; cursor: not-allowed; }

.train-list { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.train-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: "SF Mono", Menlo, monospace;
  font-size: 13px;
  cursor: pointer;
}
.train-item:hover { border-color: var(--primary); }
.train-item.selected { border-color: var(--primary); background: rgba(59,130,246,.12); }
.train-item .label { white-space: pre; overflow-x: auto; }

.countdown { font-size: 12px; color: var(--muted); margin: 4px 0; font-variant-numeric: tabular-nums; }
.countdown.urgent { color: var(--danger); font-weight: 700; }

.res-actions { display: flex; gap: 8px; margin-top: 8px; }
.res-actions button { padding: 6px 12px; font-size: 13px; }

.badge { font-size: 12px; padding: 2px 10px; border-radius: 20px; font-weight: 600; }
.badge.on { background: var(--ok); color: #04210f; }
.badge.off { background: var(--border); color: var(--muted); }
.badge.running { background: var(--primary); color: #fff; }
.badge.success { background: var(--ok); color: #04210f; }
.badge.stopped, .badge.error { background: var(--danger); color: #fff; }

.muted { color: var(--muted); font-size: 13px; margin-bottom: 10px; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.notice {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(239, 68, 68, .12);
  border: 1px solid var(--danger);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 14px;
}
.notice button { margin-left: auto; flex-shrink: 0; }

.login-block {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-top: 12px;
}
.login-block-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.rail-tag { font-weight: 700; font-size: 13px; padding: 3px 12px; border-radius: 8px; color: #fff; }
.rail-tag.srt { background: var(--srt); }
.rail-tag.ktx { background: var(--ktx); }

.tab-badge {
  display: inline-block;
  margin-left: 6px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 10px;
  padding: 1px 7px;
}

.dash-summary { display: flex; flex-wrap: wrap; gap: 18px; }
.dash-summary .stat { display: flex; flex-direction: column; gap: 2px; }
.dash-summary .stat .num { font-size: 22px; font-weight: 700; }
.dash-summary .stat .lbl { font-size: 12px; color: var(--muted); }
.dash-summary .users { flex: 1 1 220px; }
.dash-summary .users .urow { font-size: 13px; color: var(--text); display: flex; justify-content: space-between; gap: 12px; padding: 2px 0; }

.job {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.job .job-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.job .job-route { font-weight: 600; font-size: 14px; }
.job .job-owner { color: var(--muted); font-size: 12px; }
.job .job-meta { color: var(--muted); font-size: 12px; margin: 6px 0; }
.job .job-actions { margin-left: auto; }
.job .job-actions button { padding: 5px 12px; font-size: 12px; }
.job .logs { margin: 8px 0 0; max-height: 160px; }
.job-empty { color: var(--muted); font-size: 14px; padding: 8px 2px; }
.logs {
  background: #0a0c10;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  max-height: 260px;
  overflow-y: auto;
  font-size: 12px;
  white-space: pre-wrap;
  margin: 0 0 12px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  width: 100%;
  max-width: 460px;
}
.modal h3 { margin: 0 0 12px; font-size: 17px; }
.modal-body { font-size: 14px; color: var(--text); margin-bottom: 18px; line-height: 1.6; }
.modal-body .warn { color: var(--danger); font-weight: 600; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }
.modal .step { display: flex; gap: 8px; padding: 4px 0; align-items: flex-start; }
.modal .step .ic { flex-shrink: 0; }
.modal .step .ic.ok { color: var(--ok); }
.modal .step .ic.no { color: var(--danger); }
.modal .step .txt { font-size: 13px; }
.modal .step .txt .d { color: var(--muted); font-size: 12px; }

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: 10px;
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
  max-width: 80%;
}
#toast.show { opacity: 1; }
#toast.err { border-color: var(--danger); }
#toast.ok { border-color: var(--ok); }