:root {
  --bg0:#080a0f; --bg1:#0d1018; --bg2:#131722; --bg3:#1a2030; --bg4:#202840;
  --border:rgba(255,255,255,0.06); --border2:rgba(255,255,255,0.12);
  --text:#e2e6f0; --muted:#6b7485; --subtle:#3f4658;
  --accent:#22c55e; --accent2:#86efac;
  --green:#22c55e; --green2:#16a34a; --green-bg:rgba(34,197,94,0.08);
  --red:#ef4444; --red2:#dc2626; --red-bg:rgba(239,68,68,0.08);
  --amber:#f59e0b; --amber-bg:rgba(245,158,11,0.08);
  --blue:#3b82f6; --blue-bg:rgba(59,130,246,0.08);
  --font-sans:'DM Sans',system-ui,sans-serif;
  --font-mono:'DM Mono','JetBrains Mono',monospace;
  --font-serif:'Playfair Display',Georgia,serif;
  --r:10px; --r-lg:16px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--bg0);color:var(--text);font-family:var(--font-sans);font-size:14px;line-height:1.6;overflow-x:hidden;}
input,select,textarea,button{font-family:inherit;}
::-webkit-scrollbar{width:4px;}::-webkit-scrollbar-track{background:transparent;}::-webkit-scrollbar-thumb{background:var(--subtle);border-radius:4px;}

#otp-gate{position:fixed;inset:0;background:var(--bg0);display:flex;align-items:center;justify-content:center;z-index:9999;transition:opacity 0.5s;}
.otp-card{background:var(--bg1);border:1px solid var(--border2);border-radius:24px;padding:56px 48px;width:420px;text-align:center;}
.otp-logo{font-family:var(--font-serif);font-size:28px;color:var(--accent2);margin-bottom:6px;}
.otp-sub{font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-bottom:40px;}
.otp-label{font-size:11px;color:var(--muted);text-align:left;margin-bottom:6px;letter-spacing:.06em;text-transform:uppercase;}
.otp-input{width:100%;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r);padding:12px 16px;color:var(--text);font-size:15px;outline:none;transition:border .2s;margin-bottom:16px;}
.otp-input:focus{border-color:var(--accent);}
.otp-digits{display:flex;gap:10px;justify-content:center;margin-bottom:24px;}
.otp-digit{width:48px;height:56px;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r);text-align:center;font-size:22px;font-weight:500;color:var(--text);outline:none;transition:border .2s;}
.otp-digit:focus{border-color:var(--accent);}
.btn-primary{width:100%;padding:14px;background:var(--accent);border:none;border-radius:var(--r);color:#fff;font-size:14px;font-weight:600;cursor:pointer;letter-spacing:.04em;transition:all .2s;}
.btn-primary:hover{background:var(--accent2);transform:translateY(-1px);}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.otp-error{color:var(--red);font-size:12px;margin-top:8px;min-height:18px;}
.otp-link{color:var(--accent);font-size:13px;cursor:pointer;margin-top:16px;display:inline-block;}
.otp-link:hover{text-decoration:underline;}

#app{display:none;min-height:100vh;flex-direction:column;}
#topbar{display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:60px;background:rgba(13,16,24,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;}
.logo-text{font-family:var(--font-serif);font-size:20px;color:var(--accent2);}
.logo-sub{font-size:10px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;}
.topbar-right{display:flex;align-items:center;gap:16px;}
.status-chip{display:flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:11px;font-family:var(--font-mono);border:1px solid var(--border2);}
.status-chip .dot{width:6px;height:6px;border-radius:50%;}
.status-chip.running .dot{background:var(--green);animation:pulse 2s infinite;}
.status-chip.halted .dot{background:var(--red);}
.status-chip.paused .dot{background:var(--amber);}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.nifty-live{font-family:var(--font-mono);font-size:15px;font-weight:500;color:var(--text);}
.chg{font-size:11px;margin-left:6px;}
.chg.up{color:var(--green);}.chg.dn{color:var(--red);}
.kill-btn{background:var(--red-bg);border:1px solid var(--red);color:var(--red);border-radius:8px;padding:6px 18px;font-size:12px;font-weight:700;cursor:pointer;letter-spacing:.06em;transition:all .2s;display:flex;align-items:center;gap:8px;}
.kill-btn:hover{background:var(--red);color:#fff;}
.kill-btn.engaged{background:var(--red);color:#fff;animation:red-pulse 1.2s infinite;}
@keyframes red-pulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,.5)}50%{box-shadow:0 0 0 8px rgba(239,68,68,0)}}
#main{display:flex;flex:1;}
#sidebar{width:220px;background:var(--bg1);border-right:1px solid var(--border);padding:24px 0;flex-shrink:0;display:flex;flex-direction:column;}
.nav-section{padding:0 16px;margin-bottom:6px;}
.nav-label{font-size:10px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;padding:0 8px;margin-bottom:4px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r);cursor:pointer;transition:all .15s;color:var(--muted);font-size:13px;margin-bottom:2px;}
.nav-item svg{width:16px;height:16px;flex-shrink:0;}
.nav-item:hover{background:var(--bg2);color:var(--text);}
.nav-item.active{background:var(--bg3);color:var(--accent2);}
.nav-divider{height:1px;background:var(--border);margin:12px 16px;}
#content{flex:1;overflow-y:auto;}
.page{display:none;padding:28px 32px;}
.page.active{display:block;}

.welcome-hero{margin-bottom:32px;}
.welcome-title{font-family:var(--font-serif);font-size:36px;font-weight:500;color:var(--text);margin-bottom:8px;}
.welcome-subtitle{color:var(--muted);font-size:15px;max-width:600px;line-height:1.7;}
.prompt-card{background:var(--bg1);border:1px solid var(--border2);border-radius:var(--r-lg);padding:24px;margin-bottom:24px;}
.prompt-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.prompt-title{font-size:12px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;}
.prompt-textarea{width:100%;background:var(--bg0);border:1px solid var(--border);border-radius:var(--r);padding:14px;color:var(--text);font-family:var(--font-mono);font-size:12px;line-height:1.7;resize:vertical;min-height:200px;outline:none;}
.prompt-textarea:focus{border-color:var(--accent);}
.market-status-banner{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-radius:18px;background:rgba(34,197,94,0.08);border:1px solid rgba(34,197,94,0.18);margin-bottom:18px;}
.market-status-banner.closed{background:rgba(239,68,68,0.08);border-color:rgba(239,68,68,0.18);}
.banner-title{font-size:16px;font-weight:700;color:var(--text);}
.banner-sub{font-size:13px;color:var(--muted);margin-top:4px;}
.banner-chip{padding:8px 16px;border-radius:999px;font-size:11px;font-weight:700;background:rgba(255,255,255,0.08);color:var(--text);border:1px solid rgba(255,255,255,0.08);}
.banner-chip.open{background:var(--green-bg);color:var(--green);border-color:rgba(34,197,94,0.25);}
.banner-chip.closed{background:rgba(239,68,68,0.08);color:var(--red);border-color:rgba(239,68,68,0.25);}
.calendar-card{margin-bottom:20px;}
.calendar-table{display:grid;grid-template-columns:1fr 1fr 1fr;}
.calendar-row{display:grid;grid-template-columns:1fr 1fr 1fr;border-top:1px solid var(--border);border-left:1px solid var(--border);}
.calendar-row span{padding:14px 16px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);font-size:13px;color:var(--text);}
.calendar-row span:last-child{border-right:none;}
.calendar-row.header span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:600;}
.calendar-note{padding:14px 16px;color:var(--muted);font-size:12px;}
.holiday-calendar-card{margin-bottom:20px;}
.holiday-calendar{padding:16px;display:grid;gap:8px;}
.calendar-grid-header, .calendar-grid-body{display:grid;grid-template-columns:repeat(7,1fr);}
.calendar-grid-header div{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;padding:8px 0;text-align:center;}
.calendar-cell{min-height:80px;padding:10px;border-radius:14px;border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.015);position:relative;}
.calendar-cell.empty{background:transparent;border:none;}
.calendar-cell.weekend{background:rgba(255,255,255,.03);}
.calendar-cell.holiday{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.18);}
.calendar-cell.today{box-shadow:0 0 0 2px rgba(34,197,94,.16);}
.cell-date{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px;}
.cell-label{font-size:11px;color:var(--muted);line-height:1.4;}
.holiday-next{padding:16px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px;}
.holiday-next-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;}
.holiday-next-value{font-size:14px;font-weight:700;color:var(--text);}
.calendar-note{padding:14px 16px;color:var(--muted);font-size:12px;}
.welcome-controls{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-bottom:24px;}
.control-card{background:var(--bg1);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;text-align:center;transition:border .2s;}
.control-card:hover{border-color:var(--border2);}
.ctrl-icon{font-size:28px;margin-bottom:12px;}
.ctrl-title{font-size:14px;font-weight:600;margin-bottom:6px;}
.ctrl-desc{font-size:12px;color:var(--muted);line-height:1.5;margin-bottom:16px;}
.btn-paper{background:var(--blue-bg);border:1px solid var(--blue);color:var(--blue);border-radius:var(--r);padding:10px 24px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s;}
.btn-paper:hover,.btn-paper.on{background:var(--blue);color:#fff;}
.btn-live-go{background:var(--green-bg);border:1px solid var(--green);color:var(--green);border-radius:var(--r);padding:10px 24px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s;}
.btn-live-go:hover,.btn-live-go.on{background:var(--green);color:#fff;}
.btn-kill-lg{background:var(--red-bg);border:2px solid var(--red);color:var(--red);border-radius:var(--r);padding:10px 24px;cursor:pointer;font-size:14px;font-weight:700;transition:all .2s;}
.btn-kill-lg:hover,.btn-kill-lg.engaged{background:var(--red);color:#fff;}
.ticker-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:28px;}
.ticker-item{background:var(--bg1);border:1px solid var(--border);border-radius:var(--r);padding:14px 16px;}
.ticker-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px;}
.ticker-value{font-family:var(--font-mono);font-size:17px;font-weight:500;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px;}
.stat-card{background:var(--bg1);border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;}
.stat-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px;}
.stat-value{font-size:26px;font-weight:600;font-family:var(--font-mono);}
.stat-sub{font-size:11px;color:var(--muted);margin-top:4px;}
.stat-value.pos{color:var(--green);}.stat-value.neg{color:var(--red);}.stat-value.neu{color:var(--text);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px;}
.three-col{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:20px;}
.card{background:var(--bg1);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);}
.card-title{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;}
.data-table{width:100%;border-collapse:collapse;}
.data-table th{text-align:left;padding:10px 16px;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--border);font-weight:500;}
.data-table td{padding:11px 16px;border-bottom:1px solid rgba(255,255,255,.03);font-size:12px;}
.data-table tr:last-child td{border-bottom:none;}
.data-table tr:hover td{background:rgba(255,255,255,.02);}
.feedback-btns{display:flex;gap:6px;align-items:center;}
.fb-btn{width:28px;height:28px;border-radius:6px;border:1px solid var(--border2);background:transparent;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s;}
.fb-btn:hover{transform:scale(1.15);}
.fb-btn.good:hover,.fb-btn.good.active{background:var(--green-bg);border-color:var(--green);}
.fb-btn.avg:hover,.fb-btn.avg.active{background:var(--amber-bg);border-color:var(--amber);}
.fb-btn.bad:hover,.fb-btn.bad.active{background:var(--red-bg);border-color:var(--red);}
.tag{display:inline-block;padding:2px 8px;border-radius:5px;font-size:10px;font-weight:600;letter-spacing:.05em;font-family:var(--font-mono);}
.tag.ce{background:var(--blue-bg);color:var(--blue);}
.tag.pe{background:var(--red-bg);color:var(--red);}
.tag.open{background:var(--amber-bg);color:var(--amber);}
.tag.paper-mode{background:rgba(34,197,94,.1);color:var(--accent2);}
.tag.live-mode{background:var(--green-bg);color:var(--green);}
.chart-wrap{padding:20px;position:relative;height:240px;}
.chart-wrap canvas{max-height:200px;}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px;}
.field-group{margin-bottom:16px;}
.field-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;}
.field-input{width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:10px 14px;color:var(--text);font-family:var(--font-mono);font-size:14px;outline:none;transition:border .2s;}
.field-input:focus{border-color:var(--accent);}
.save-btn{background:var(--accent);border:none;color:#fff;padding:10px 24px;border-radius:var(--r);cursor:pointer;font-size:13px;font-weight:600;transition:all .2s;}
.save-btn:hover{background:var(--accent2);}
.prog-bar{height:5px;background:var(--bg3);border-radius:3px;margin-top:8px;}
.prog-fill{height:100%;border-radius:3px;transition:width .4s;}
.prog-fill.green{background:var(--green);}.prog-fill.red{background:var(--red);}.prog-fill.amber{background:var(--amber);}
.news-item{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.03);font-size:12px;color:var(--muted);line-height:1.5;}
.news-item:last-child{border-bottom:none;}
.news-item::before{content:'◆ ';color:var(--accent);font-size:8px;}
.no-data{padding:32px;text-align:center;color:var(--muted);font-size:13px;}
#toast{position:fixed;bottom:28px;right:28px;background:var(--bg2);border:1px solid var(--border2);border-radius:10px;padding:12px 20px;font-size:13px;z-index:9999;opacity:0;transform:translateY(8px);transition:all .3s;pointer-events:none;max-width:320px;}
#toast.show{opacity:1;transform:translateY(0);}
#toast.success{border-color:var(--green);color:var(--green);}
#toast.error{border-color:var(--red);color:var(--red);}
#toast.warn{border-color:var(--amber);color:var(--amber);}
.section-title{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px;margin-top:28px;}
.chain-row{display:grid;grid-template-columns:1fr 80px 1fr;gap:4px;padding:5px 16px;font-family:var(--font-mono);font-size:11px;border-bottom:1px solid rgba(255,255,255,.02);}
.chain-row.atm{background:rgba(34,197,94,.07);}
.chain-ce{color:var(--blue);text-align:right;}.chain-strike{text-align:center;color:var(--muted);font-weight:500;}.chain-pe{color:var(--red);}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr);}.ticker-strip{grid-template-columns:repeat(3,1fr);}.welcome-controls{grid-template-columns:1fr 1fr;}}