:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3e;
  --accent: #4f8ef7;
  --accent2: #7c3aed;
  --danger: #ef4444;
  --warn: #f59e0b;
  --success: #22c55e;
  --text: #e2e8f0;
  --muted: #64748b;
  --radius: 8px;
  --font: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  font-size: 14px;
}

/* ── Layout ── */
.app-shell { display: flex; height: 100vh; overflow: hidden; }

.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 0 20px 20px;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.sidebar-logo span { font-size: 20px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  cursor: pointer;
  color: var(--muted);
  border-left: 3px solid transparent;
  transition: all 0.15s;
  font-size: 13px;
}
.nav-item:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: rgba(79,142,247,0.06); }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-status {
  margin-top: auto;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}
.status-badge.dry { background: rgba(245,158,11,0.15); color: var(--warn); }
.status-badge.live { background: rgba(34,197,94,0.15); color: var(--success); }
.status-badge.stop { background: rgba(239,68,68,0.15); color: var(--danger); }

/* ── Main area ── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
}
.topbar h1 { font-size: 16px; font-weight: 600; }

.content { flex: 1; overflow-y: auto; padding: 24px; }

/* ── Pages ── */
.page { display: none; }
.page.active { display: block; }

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.kv {
  display: flex; justify-content: space-between;
  padding: 7px 0; border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.kv:last-child { border-bottom: 0; }
.kv span:first-child { color: var(--muted); }
.kv span:last-child  { color: var(--text); font-family: monospace; }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 360px;
  max-width: 90vw;
}
.modal-title {
  font-size: 16px; font-weight: 600; margin-bottom: 12px;
}

/* ── Switch ── */
.switch { position: relative; display: inline-block; width: 36px; height: 20px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--border); border-radius: 20px;
  transition: 0.2s;
}
.switch .slider::before {
  position: absolute; content: "";
  height: 14px; width: 14px; left: 3px; bottom: 3px;
  background: white; border-radius: 50%;
  transition: 0.2s;
}
.switch input:checked + .slider { background: var(--success); }
.switch input:checked + .slider::before { transform: translateX(16px); }

/* ── MT5 cards ── */
.mt5-card { padding: 14px; }

/* ── Emergency stop button (always visible) ── */
.btn-emergency {
  background: var(--danger);
  color: #fff;
  border: 2px solid var(--danger);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 8px 14px;
  font-size: 12px;
  box-shadow: 0 0 0 0 rgba(239,68,68,0.6);
  animation: pulse-stop 2s infinite;
}
.btn-emergency:hover { background: #dc2626; border-color: #dc2626; }
.btn-emergency.active {
  background: #7f1d1d; border-color: var(--danger);
  animation: none;
  box-shadow: 0 0 16px rgba(239,68,68,0.6);
}
@keyframes pulse-stop {
  0%   { box-shadow: 0 0 0 0 rgba(239,68,68,0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
  100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
}

/* ── Auth modal tabs ── */
.auth-tab {
  flex: 1; padding: 8px 0; text-align: center;
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  border-radius: var(--radius); cursor: pointer; font-size: 13px;
  font-weight: 600;
}
.auth-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.auth-pane { display: none; }
.auth-pane.active { display: block; }

/* Admin-only nav rows hidden when current user isn't admin */
body:not(.is-admin) .admin-only { display: none !important; }

/* ── App Settings rows ── */
.setting-row { display: block; }
.setting-row .label-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.setting-row .label-row .name { font-size: 12px; color: var(--muted); font-weight: 500; }
.setting-row .label-row .src {
  font-size: 9px; padding: 1px 6px; border-radius: 8px;
  background: rgba(255,255,255,0.05); color: var(--muted); text-transform: uppercase;
}
.setting-row .src.db  { background: rgba(34,197,94,0.15); color: var(--success); }
.setting-row .src.env { background: rgba(245,158,11,0.15); color: var(--warn); }

/* ── Form elements ── */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}

input, textarea, select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 80px; font-family: monospace; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #3b7de8; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.05); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Parsed operation preview ── */
.op-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: monospace;
  font-size: 12px;
  line-height: 1.8;
}
.op-preview .key { color: var(--accent); }
.op-preview .val-str { color: #86efac; }
.op-preview .val-num { color: #fbbf24; }
.op-preview .val-null { color: var(--muted); }
.op-preview .val-bool-t { color: var(--success); }
.op-preview .val-bool-f { color: var(--danger); }

.confidence-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  margin-top: 8px;
  overflow: hidden;
}
.confidence-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
td { padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.03); }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}
.badge-ok { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-fail { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-warn { background: rgba(245,158,11,0.15); color: var(--warn); }
.badge-info { background: rgba(79,142,247,0.15); color: var(--accent); }
.badge-muted { background: rgba(100,116,139,0.15); color: var(--muted); }

/* ── Alert ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-warn { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--warn); }
.alert-danger { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--danger); }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: var(--success); }
.alert-info { background: rgba(79,142,247,0.1); border: 1px solid rgba(79,142,247,0.3); color: var(--accent); }

/* ── Stat cards ── */
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 28px; font-weight: 700; margin: 6px 0 2px; }
.stat-sub { font-size: 11px; color: var(--muted); }

/* ── Log output ── */
.log-output {
  background: #000;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  font-family: monospace;
  font-size: 11px;
  line-height: 1.6;
  max-height: 260px;
  overflow-y: auto;
  color: #a3e635;
}

/* ── Spinner ── */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .sidebar { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}