:root {
  color-scheme: dark;
  --bg:#0b1020; --surface:#111a2d; --surface2:#151f34;
  --border:#253149; --text:#edf2ff; --muted:#8996ad;
  --accent:#7c8cff; --green:#36c995;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}
button,input,select{font:inherit}
.hidden{display:none!important}
.muted{color:var(--muted);font-size:13px}
.login-screen,.loading-screen{min-height:100vh;display:grid;place-items:center;padding:20px}
.login-card{width:min(100%,410px);padding:36px;background:var(--surface);
  border:1px solid var(--border);border-radius:20px}
.brand-mark{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#7c8cff,#5965d9);font-size:25px;font-weight:800;color:white}
.eyebrow,.breadcrumb,.side-label,.stat-heading,.date-control label{
  font-size:10px;letter-spacing:1.3px;font-weight:750;color:var(--muted)}
.eyebrow{margin-top:26px}
.login-card h1{font-size:28px;margin:10px 0}
.login-card form{display:flex;flex-direction:column;margin-top:28px}
.login-card label{font-size:12px;margin:0 0 8px;color:#c4cde0}
.login-card input{padding:13px 14px;margin-bottom:18px;background:#0c1425;
  border:1px solid var(--border);border-radius:9px;color:white;outline:none}
.login-card input:focus{border-color:var(--accent)}
.primary-btn{border:0;border-radius:9px;background:var(--accent);color:white;
  padding:13px;font-weight:700;cursor:pointer;margin-top:5px}
.primary-btn:disabled{opacity:.6;cursor:wait}
.error-message{color:#ff8585;font-size:12px;min-height:16px}
.login-foot{border-top:1px solid var(--border);padding-top:18px;
  color:var(--muted);font-size:11px;margin-top:16px}
.app-shell{min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:#0e1729;
  border-right:1px solid var(--border);padding:25px 17px;display:flex;flex-direction:column;z-index:2}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);
  font-size:16px;font-weight:750;padding:0 5px 38px}
.brand small{display:block;font-size:9px;letter-spacing:1.2px;color:var(--muted);margin-top:4px}
.brand-mark.small{width:37px;height:37px;border-radius:11px;font-size:19px}
.side-label{padding:0 10px 12px}
.nav-link{padding:12px 13px;border-radius:9px;text-decoration:none;color:#aab6cc;
  font-size:13px;margin-bottom:5px;display:flex;gap:12px;align-items:center}
.nav-link span{font-size:18px}
.nav-link.active{background:#202b48;color:white}
.exchange-label{margin-top:35px}
.exchange-item{padding:10px;display:flex;align-items:center;gap:9px;font-size:12px;color:#d0d8e8}
.exchange-item small{margin-left:auto;font-size:9px;color:var(--muted)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0}
.dot.gray{background:#64718a}.dot.green{background:var(--green)}
.side-bottom{margin-top:auto}
.secure-note{font-size:11px;color:var(--muted);padding:14px 8px}
.secure-note span{color:var(--green)}
.logout-btn{width:100%;padding:11px;text-align:left;border:1px solid var(--border);
  border-radius:8px;background:transparent;color:#cbd4e5;cursor:pointer}
.main-content{margin-left:245px;padding:30px 35px;max-width:1700px}
.topbar,.top-actions,.welcome-row,.panel-heading{display:flex;align-items:center;justify-content:space-between}
.topbar{padding-bottom:27px;border-bottom:1px solid var(--border)}
.breadcrumb{margin-bottom:9px}
.topbar h1{font-size:23px;margin:0}
.top-actions{gap:15px}
.live-status{font-size:11px;color:#b7c3d7;display:flex;align-items:center;gap:8px}
.icon-btn{width:35px;height:35px;background:var(--surface);border:1px solid var(--border);
  color:white;border-radius:9px;font-size:20px;cursor:pointer}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:#27385a;font-weight:700}
.welcome-row{padding:28px 0 22px}
.welcome-row h2{font-size:17px;margin:0 0 5px}
.welcome-row p{margin:0}
.date-control{display:flex;align-items:center;gap:12px}
.date-control select{background:var(--surface);border:1px solid var(--border);
  color:var(--text);padding:10px 12px;border-radius:8px;font-size:12px}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}
.stat-card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:13px}
.stat-card{padding:19px}
.stat-heading{display:flex;justify-content:space-between}
.stat-heading span{font-size:16px;color:var(--accent)}
.stat-value{font-size:27px;font-weight:750;margin:18px 0 7px}
.stat-foot{font-size:10px;color:var(--muted)}
.content-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:15px;margin-top:17px}
.panel{padding:20px;min-width:0}
.panel-heading h3{font-size:14px;margin:0 0 5px}
.panel-heading p{margin:0}
.panel-tag{font-size:9px;letter-spacing:1px;color:#aab8d4;
  background:#202c45;padding:7px 9px;border-radius:6px}
.chart-empty{height:220px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;color:var(--muted);gap:9px}
.chart-empty strong{font-size:12px;color:#dce4f4}
.chart-empty p{font-size:11px;margin:0}
.chart-icon{font-size:38px;color:var(--accent)}
.connection-row{display:flex;align-items:center;gap:11px;padding:16px 0;
  border-bottom:1px solid var(--border)}
.connection-row:last-child{border-bottom:0}
.connection-logo{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  font-weight:800;background:#202c45}
.binance{color:#f0c44e}.bybit{color:#f5a35b}.bot{color:#9ba9ff}
.connection-info{display:flex;flex-direction:column;gap:4px}
.connection-info strong{font-size:12px}.connection-info small{font-size:10px;color:var(--muted)}
.status-pill{margin-left:auto;font-size:9px;color:#b6c1d5;background:#202a3e;
  border-radius:20px;padding:6px 8px;white-space:nowrap}
.trades-panel{margin-top:17px}
.table-wrap{overflow-x:auto;margin-top:18px}
table{border-collapse:collapse;width:100%;min-width:700px;text-align:left}
th{font-size:9px;letter-spacing:.8px;color:var(--muted);font-weight:700;padding:12px;
  border-bottom:1px solid var(--border)}
td{padding:18px 12px;font-size:11px;border-bottom:1px solid var(--border)}
.empty-cell{text-align:center;color:var(--muted);padding:35px}
.footer{display:flex;justify-content:space-between;gap:10px;color:var(--muted);
  font-size:10px;padding:25px 0}
.loading-screen p{color:var(--muted);font-size:13px}
@media(max-width:1100px){
  .main-content{padding:25px 22px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .sidebar{position:relative;width:100%;height:auto;padding:13px 16px;
    flex-direction:row;align-items:center;border-right:0;border-bottom:1px solid var(--border)}
  .brand{padding:0;margin-right:auto}
  .side-label,.nav-link,.exchange-item,.secure-note{display:none}
  .side-bottom{margin:0}
  .logout-btn{width:auto;padding:9px 11px;font-size:11px}
  .main-content{margin:0;padding:20px 15px}
  .topbar{align-items:flex-start}
  .topbar h1{font-size:20px}
  .live-status{display:none}
  .welcome-row{align-items:flex-start;gap:15px;flex-direction:column}
  .date-control{width:100%;justify-content:space-between}
  .date-control select{flex:1;max-width:190px}
  .stats-grid{gap:10px}
  .stat-card{padding:14px}
  .stat-value{font-size:23px}
  .stat-foot{line-height:1.5}
  .content-grid{grid-template-columns:1fr}
  .panel{padding:16px}
  .footer{flex-direction:column}
}
@media(max-width:380px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-heading{font-size:9px}
}

/* Exchange connection UI */
.connect-btn,.disconnect-btn,.secondary-btn{
  border:1px solid var(--border);
  border-radius:8px;
  padding:9px 12px;
  background:#202c45;
  color:var(--text);
  font-size:11px;
  font-weight:650;
  cursor:pointer;
}
.connect-btn{background:var(--accent);border-color:var(--accent);color:white}
.disconnect-btn{color:#ff9999;background:transparent;padding:7px 9px}
.exchange-accounts{margin-top:12px}
.account-card{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 10px;border:1px solid var(--border);border-radius:9px;
  margin-top:8px;background:#0e1729
}
.account-card strong,.account-card small{display:block}
.account-card strong{font-size:11px;overflow-wrap:anywhere}
.account-card small{font-size:10px;color:var(--muted);margin-top:5px}
.modal-backdrop{
  position:fixed;inset:0;z-index:20;background:#050914d9;
  display:grid;place-items:center;padding:18px;overflow-y:auto
}
.connect-modal{
  width:min(100%,480px);max-height:calc(100vh - 36px);overflow-y:auto;
  padding:24px;background:var(--surface);border:1px solid var(--border);
  border-radius:16px;box-shadow:0 20px 70px #0008
}
.modal-heading{display:flex;justify-content:space-between;align-items:center}
.modal-heading h2{font-size:21px;margin:5px 0}
.modal-heading .eyebrow{margin:0}
.modal-close{
  width:34px;height:34px;border:1px solid var(--border);border-radius:8px;
  background:transparent;color:var(--text);font-size:22px;cursor:pointer
}
.connect-modal form{display:flex;flex-direction:column;margin-top:20px}
.connect-modal label{font-size:11px;color:#c4cde0;margin:13px 0 7px}
.connect-modal input,.connect-modal select{
  width:100%;min-width:0;padding:12px;background:#0c1425;
  border:1px solid var(--border);border-radius:8px;color:var(--text);
  outline:none;font-size:12px
}
.connect-modal input:focus,.connect-modal select:focus{border-color:var(--accent)}
.secret-field{display:flex;gap:8px}
.secret-field input{flex:1}
.secret-field button{
  padding:0 12px;border:1px solid var(--border);border-radius:8px;
  background:#202c45;color:var(--text);cursor:pointer
}
.security-warning{
  margin-top:17px;padding:13px;border:1px solid #65552b;
  background:#302817;border-radius:9px
}
.security-warning strong{font-size:11px;color:#f0cf78}
.security-warning p{font-size:10px;line-height:1.6;color:#d9cba7;margin:7px 0 0}
.form-message{font-size:11px;min-height:16px;margin:10px 0;color:#ff8585}
.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:8px}
.modal-actions .primary-btn{margin:0;padding:11px 15px}
.modal-actions button:disabled{opacity:.6;cursor:wait}
@media(max-width:480px){
  .connect-modal{padding:18px}
  .account-card{align-items:flex-start}
  .disconnect-btn{flex-shrink:0}
}