:root {
  --bg: #0b0b0d;
  --bg-2: #121216;
  --panel: #16161c;
  --panel-2: #1c1c24;
  --border: #26262f;
  --text: #e8e8ee;
  --muted: #8a8a99;
  --accent: #ff7a18;
  --accent-2: #ff9a48;
  --accent-dim: rgba(255, 122, 24, 0.12);
  --green: #2ecc71;
  --red: #ff4d5e;
  --yellow: #f5c451;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 600; }

/* ---- Layout ---- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 248px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
}
.content { flex: 1; margin-left: 248px; display: flex; flex-direction: column; min-width: 0; }

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 20px 18px; font-size: 17px; font-weight: 700;
  border-bottom: 1px solid var(--border);
}
.brand-mark { color: var(--accent); font-size: 18px; }
.brand-accent { color: var(--accent); }

.nav { padding: 14px 12px; display: flex; flex-direction: column; gap: 3px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 10px; color: var(--muted);
  font-weight: 500; transition: all .15s ease;
}
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active {
  background: var(--accent-dim); color: var(--accent-2);
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-icon { width: 18px; text-align: center; font-size: 15px; }

.sidebar-foot { padding: 14px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 10px; }
.trade-flag { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; padding: 8px 12px; border-radius: 8px; background: var(--panel); }
.trade-flag .dot { width: 8px; height: 8px; border-radius: 50%; }
.trade-flag.on { color: var(--green); } .trade-flag.on .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.trade-flag.off { color: var(--muted); } .trade-flag.off .dot { background: var(--muted); }
.logout { text-align: center; padding: 9px; border: 1px solid var(--border); border-radius: 8px; color: var(--muted); font-weight: 500; }
.logout:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Topbar ---- */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 28px; border-bottom: 1px solid var(--border);
  background: rgba(11,11,13,.8); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.page-title { font-size: 18px; font-weight: 600; flex: 1; }
.menu-btn { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }
.badge { font-size: 11px; font-weight: 700; padding: 6px 12px; border-radius: 20px; letter-spacing: .3px; }
.badge-on { background: rgba(46,204,113,.15); color: var(--green); border: 1px solid rgba(46,204,113,.3); }
.badge-off { background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }

.main { padding: 28px; max-width: 1280px; width: 100%; }

/* ---- Cards / grid ---- */
.grid { display: grid; gap: 18px; }
.stats-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.card h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin-bottom: 14px; }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.stat .value { font-size: 30px; font-weight: 700; margin-top: 6px; }
.stat .value.accent { color: var(--accent); }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { text-align: left; padding: 12px 16px; background: var(--bg-2); color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .5px; white-space: nowrap; }
tbody td { padding: 12px 16px; border-top: 1px solid var(--border); white-space: nowrap; }
tbody tr:hover { background: var(--panel-2); }
.mono { font-family: var(--mono); font-size: 12px; }

/* ---- Pills ---- */
.pill { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.pill-green { background: rgba(46,204,113,.15); color: var(--green); }
.pill-red { background: rgba(255,77,94,.15); color: var(--red); }
.pill-gray { background: var(--panel-2); color: var(--muted); }
.pill-orange { background: var(--accent-dim); color: var(--accent-2); }
.pill-yellow { background: rgba(245,196,81,.15); color: var(--yellow); }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 9px; font-weight: 600; font-size: 13px; cursor: pointer; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); transition: all .15s; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #1a0e02; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-danger { color: var(--red); border-color: rgba(255,77,94,.4); background: rgba(255,77,94,.08); }
.btn-danger:hover { background: rgba(255,77,94,.16); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-ghost { background: none; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* Segmented BUY/SELL control */
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; }
.seg-btn { flex: 1; padding: 11px 22px; background: var(--bg-2); color: var(--muted); border: none; font-weight: 700; font-size: 13px; letter-spacing: .5px; cursor: pointer; transition: all .15s; }
.seg-btn + .seg-btn { border-left: 1px solid var(--border); }
.seg-btn:hover { color: var(--text); }
.seg-btn.active[data-action="buy"] { background: rgba(46,204,113,.18); color: var(--green); }
.seg-btn.active[data-action="sell"] { background: rgba(255,77,94,.18); color: var(--red); }

/* ---- Forms ---- */
.form { display: flex; flex-direction: column; gap: 18px; max-width: 640px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.field .hint { font-size: 11px; color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; }
input, select, textarea {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  padding: 11px 13px; border-radius: 9px; font-family: var(--font); font-size: 14px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
textarea { font-family: var(--mono); resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lev-wrap { display: flex; align-items: center; gap: 14px; }
.lev-wrap input[type=range] { flex: 1; accent-color: var(--accent); height: 6px; cursor: pointer; }
.lev-wrap input[type=number] { max-width: 80px; text-align: center; }
.lev-x { color: var(--muted); font-weight: 600; }
.switch { display: flex; align-items: center; gap: 12px; }
.switch input { width: auto; }

/* Toggle switch (replaces checkboxes) */
.toggle { position: relative; display: inline-flex; flex: none; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle .track {
  width: 46px; height: 26px; border-radius: 20px; cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--border); transition: all .18s ease;
}
.toggle .track::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--muted); transition: all .18s ease;
}
.toggle input:checked + .track { background: var(--accent-dim); border-color: var(--accent); }
.toggle input:checked + .track::after { background: var(--accent); transform: translateX(20px); box-shadow: 0 0 8px var(--accent); }
.toggle input:focus-visible + .track { box-shadow: 0 0 0 3px var(--accent-dim); }
.toggle-row { display: flex; align-items: center; gap: 12px; }
.toggle-row label { text-transform: none; letter-spacing: 0; font-weight: 500; cursor: pointer; }

/* ---- Flash ---- */
.flashes { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.flash { padding: 12px 16px; border-radius: 9px; font-weight: 500; border: 1px solid var(--border); }
.flash-success { background: rgba(46,204,113,.1); border-color: rgba(46,204,113,.3); color: var(--green); }
.flash-error { background: rgba(255,77,94,.1); border-color: rgba(255,77,94,.3); color: var(--red); }

/* ---- Page header ---- */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
.section { margin-top: 28px; }
.section > h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin-bottom: 14px; }

/* ---- Code / copy ---- */
.codeblock { position: relative; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; font-family: var(--mono); font-size: 12.5px; white-space: pre; overflow-x: auto; }
.copy-btn { position: absolute; top: 10px; right: 10px; }
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 10px 20px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.empty { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty .big { font-size: 40px; opacity: .4; margin-bottom: 12px; }

/* ---- Login ---- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: radial-gradient(1200px 600px at 50% -10%, rgba(255,122,24,.12), transparent), var(--bg); }
.login-card { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 36px 32px; box-shadow: var(--shadow); }
.login-card .brand { border: none; justify-content: center; padding: 0 0 8px; font-size: 22px; }
.login-card .tag { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 26px; }

/* ---- Mobile ---- */
.scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 35; }
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform .22s ease; box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  .content { margin-left: 0; }
  .menu-btn { display: block; }
  .scrim.show { display: block; }
  .main { padding: 18px; }
  .topbar { padding: 14px 18px; }
  .field-row { grid-template-columns: 1fr; }
  .main .grid { grid-template-columns: 1fr !important; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dt { margin-top: 10px; }
}