/* naastrading — dark theme. */
:root {
    --bg:           #0b0e14;
    --bg-elev:      #11151c;
    --bg-elev-2:    #161b24;
    --border:       #232a36;
    --fg:           #e6e8ee;
    --fg-muted:     #8b93a7;
    --accent:       #4f8cff;
    --accent-rgb:   79,140,255;
    --green:        #22c55e;
    --red:          #ef4444;
    --amber:        #f59e0b;
    --purple:       #a78bfa;
    --shadow:       0 8px 24px rgba(0,0,0,.45);

    --topbar-h:     48px;
    --side-w:       320px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg); font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--fg-muted); }
.small { font-size: 12px; }
.tnum  { font-variant-numeric: tabular-nums; text-align: right; }
.pos   { color: var(--green); }
.neg   { color: var(--red); }
.hidden { display: none !important; }

/* ─── login ────────────────────────────────────────────────────────────── */
.login-body { display:flex; align-items:center; justify-content:center; min-height:100vh; }
.login-card {
    background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px;
    padding: 28px 28px 22px; width: 320px; box-shadow: var(--shadow);
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; letter-spacing: .5px; }
.login-card p  { margin: 0 0 18px; }
.login-card label { display:block; margin-bottom: 12px; }
.login-card label span { display:block; font-size: 12px; color: var(--fg-muted); margin-bottom: 4px; }
.login-card input {
    width: 100%; padding: 9px 11px; border-radius: 6px;
    border: 1px solid var(--border); background: var(--bg-elev-2); color: var(--fg); font: inherit;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
    width: 100%; padding: 10px; margin-top: 6px; border: 0; border-radius: 6px;
    background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer;
}
.login-card button:hover { filter: brightness(1.08); }
.login-card .err { min-height: 18px; margin-top: 8px; color: var(--red); font-size: 12px; }

/* ─── topbar + nav ─────────────────────────────────────────────────────── */
.topbar {
    height: var(--topbar-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 16px; background: var(--bg-elev); border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.topbar-sub { height: 40px; background: transparent; }
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.topbar .last-price { font-variant-numeric: tabular-nums; color: var(--green); margin-left: 8px; }
.topbar .last-time { font-size: 11px; }

.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 6px 12px; border-radius: 6px; color: var(--fg-muted); }
.nav-links a:hover { color: var(--fg); text-decoration: none; }
.nav-links a.active { background: var(--bg-elev-2); color: var(--fg); }

.user { display:flex; align-items:center; gap: 10px; font-size: 12px; }

.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--fg-muted); display:inline-block; }
.dot.live  { background: var(--green); box-shadow: 0 0 8px rgba(34,197,94,.6); }
.dot.stale { background: var(--amber); }
.dot.dead  { background: var(--red); }

.tabs { display:flex; gap: 2px; }
.tf-btn {
    background: transparent; color: var(--fg-muted); border: 1px solid transparent;
    padding: 5px 10px; border-radius: 5px; cursor: pointer; font: inherit;
}
.tf-btn:hover { color: var(--fg); }
.tf-btn.active { background: var(--bg-elev-2); color: var(--fg); border-color: var(--border); }

.ind-toggles { display:flex; gap: 8px; font-size: 12px; flex-wrap: wrap; }
.ind-toggles label { display:flex; align-items:center; gap: 4px; color: var(--fg-muted); cursor: pointer; }
.ind-toggles input { accent-color: var(--accent); }

/* ─── chart page ───────────────────────────────────────────────────────── */
.chart-body { display:flex; flex-direction: column; height: 100vh; overflow:hidden; }
.chart-body main {
    flex: 1; display: grid; grid-template-columns: 1fr var(--side-w); overflow: hidden;
}

#chart-wrap { position: relative; background: var(--bg); overflow: hidden; }
#chart { width: 100%; height: 100%; }
.chart-overlay {
    position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%);
    background: rgba(11,14,20,.85); border: 1px solid var(--border); border-radius: 8px;
    padding: 10px 16px; pointer-events: none;
}
#vp-overlay {
    position: absolute; top: 0; right: 60px; bottom: 0; width: 90px;
    pointer-events: none; opacity: .7;
}
.vp-bar { position:absolute; right: 0; }

#side-panel {
    background: var(--bg-elev); border-left: 1px solid var(--border);
    padding: 14px 16px; overflow-y: auto;
}
#side-panel h2 {
    margin: 14px 0 6px; font-size: 12px; text-transform: uppercase;
    letter-spacing: 1px; color: var(--fg-muted);
}
#side-panel h2:first-child { margin-top: 0; }
.kv-block > div { display:flex; justify-content: space-between; gap: 8px; margin: 2px 0; }

.news-list { list-style: none; padding: 0; margin: 0; }
.news-list li { display:flex; gap: 8px; align-items: baseline; padding: 4px 0; border-bottom: 1px dashed var(--border); font-size: 12px; }
.news-list .news-time { width: 90px; flex-shrink: 0; }
.news-list .news-flag { width: 30px; }
.news-list .imp-3 { color: var(--red); }
.news-list .imp-2 { color: var(--amber); }

.badge {
    display: inline-block; padding: 2px 6px; border-radius: 4px;
    font-size: 11px; font-weight: 600; letter-spacing: .5px;
    background: var(--bg-elev-2); color: var(--fg-muted); border: 1px solid var(--border);
}
.badge.danger { background: rgba(239,68,68,.15); border-color: var(--red); color: var(--red); }
.badge.warn   { background: rgba(245,158,11,.15); border-color: var(--amber); color: var(--amber); }
.badge.sess-asia   { color: #fde047; border-color: #ca8a04; }
.badge.sess-london { color: #93c5fd; border-color: #2563eb; }
.badge.sess-ny     { color: #fca5a5; border-color: #b91c1c; }

/* ─── generic page (strategies / backtest / paper / news) ──────────────── */
.page-body main.page { max-width: 1280px; margin: 0 auto; padding: 24px 20px 80px; }
.page h1 { margin: 0 0 6px; font-size: 22px; }
.page h2 { margin: 24px 0 6px; font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--fg-muted); }
.page p  { margin: 0 0 16px; }

.table-wrap { overflow-x: auto; }
.data-table {
    width: 100%; border-collapse: collapse;
    background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.data-table th, .data-table td { padding: 7px 10px; border-bottom: 1px solid var(--border); text-align: left; }
.data-table th { background: var(--bg-elev-2); color: var(--fg-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table.small td, .data-table.small th { padding: 5px 8px; font-size: 12px; }
.data-table .tnum { text-align: right; }
.data-table tbody tr:hover { background: rgba(255,255,255,.02); }
.imp-3 { background: rgba(239,68,68,.08); }
.imp-2 { background: rgba(245,158,11,.06); }

.hint pre {
    background: var(--bg-elev-2); border: 1px solid var(--border);
    padding: 8px 10px; border-radius: 6px; font-size: 12px; overflow-x: auto;
}

/* switches */
.switch { position: relative; display: inline-block; width: 38px; height: 20px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span {
    position: absolute; cursor: pointer; inset: 0;
    background: #313847; border-radius: 20px; transition: .15s;
}
.switch span::before {
    content: ''; position: absolute; height: 14px; width: 14px;
    left: 3px; top: 3px; background: white; border-radius: 50%; transition: .15s;
}
.switch input:checked + span { background: var(--green); }
.switch input:checked + span::before { transform: translateX(18px); }
.switch.warn input:checked + span { background: var(--amber); }

/* backtest form */
.bt-form {
    display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
    background: var(--bg-elev); border: 1px solid var(--border); padding: 14px; border-radius: 8px;
    margin-bottom: 20px;
}
.bt-form label { display: flex; flex-direction: column; font-size: 12px; color: var(--fg-muted); }
.bt-form input, .bt-form select {
    margin-top: 4px; padding: 6px 8px;
    background: var(--bg-elev-2); color: var(--fg); border: 1px solid var(--border); border-radius: 5px;
}
.bt-form button {
    padding: 9px 16px; background: var(--accent); color: #fff;
    border: 0; border-radius: 6px; font: inherit; font-weight: 600; cursor: pointer;
}
.bt-form button:disabled { opacity: .5; cursor: not-allowed; }

.kpi-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0; }
.kpi {
    flex: 1 1 130px; background: var(--bg-elev); border: 1px solid var(--border);
    padding: 12px 14px; border-radius: 8px;
}
.kpi-l { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.kpi-v { font-size: 22px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }

#bt-equity-wrap { height: 280px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 8px; margin: 12px 0; }
#bt-equity { width: 100%; height: 100%; }

/* paper kill-row */
.kill-row { display:flex; align-items:center; gap: 14px; padding: 12px 14px; border-radius: 8px; background: var(--bg-elev); border: 1px solid var(--border); margin-bottom: 18px; }
.btn-danger { background: var(--red); color: #fff; border: 0; border-radius: 6px; padding: 8px 14px; cursor: pointer; font: inherit; font-weight: 600; }
.btn-warn   { background: var(--amber); color: #1a1a1a; border: 0; border-radius: 6px; padding: 8px 14px; cursor: pointer; font: inherit; font-weight: 600; }
.btn-link   { background: transparent; border: 1px solid var(--border); color: var(--accent); border-radius: 5px; padding: 4px 10px; cursor: pointer; font: inherit; font-size: 12px; }
.btn-link:hover { background: var(--bg-elev-2); }