:root {
  --bg: #0f1115;
  --panel: #161a22;
  --text: #d3d7df;
  --muted: #777f8d;
  --ok: #4ad97e;
  --warn: #e8b243;
  --err: #e85a5a;
  --accent: #74a8ff;
  --border: #242a35;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto;
       background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

.topbar { display: flex; align-items: center; gap: 16px; padding: 10px 18px;
          background: var(--panel); border-bottom: 1px solid var(--border); }
.topbar .brand { font-weight: 700; font-size: 18px; }
.topbar nav { display: flex; gap: 12px; flex-grow: 1; }
.topbar .user { color: var(--muted); }
.topbar form.inline { display: inline; }
.topbar form.inline button { background: none; border: none; color: var(--accent); cursor: pointer; }

.status { padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.status-ok { background: rgba(74,217,126,0.15); color: var(--ok); }
.status-err { background: rgba(232,90,90,0.15); color: var(--err); }
.status-unknown { background: rgba(232,178,67,0.15); color: var(--warn); }

main { padding: 18px 24px; max-width: 1280px; margin: 0 auto; }
footer { padding: 12px 24px; color: var(--muted); border-top: 1px solid var(--border); margin-top: 32px; }

h1, h2 { margin: 18px 0 12px; }
.muted { color: var(--muted); }

.flash { padding: 10px 14px; border-radius: 6px; margin: 12px 0; }
.flash-ok    { background: rgba(74,217,126,0.12); color: var(--ok); }
.flash-info  { background: rgba(116,168,255,0.12); color: var(--accent); }
.flash-warn  { background: rgba(232,178,67,0.12); color: var(--warn); }
.flash-error { background: rgba(232,90,90,0.12); color: var(--err); }

.table { width: 100%; border-collapse: collapse; background: var(--panel);
         border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.table th, .table td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: #1c2230; color: var(--muted); font-weight: 600; text-transform: uppercase;
            font-size: 11px; letter-spacing: 0.04em; }
.table tr:last-child td { border-bottom: none; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.ok    { color: var(--ok); }
.warn  { color: var(--warn); }
.error { color: var(--err); }
.longs  { color: var(--ok); }
.shorts { color: var(--err); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
         gap: 12px; margin: 18px 0; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 12px; }
.card-label { color: var(--muted); font-size: 11px; text-transform: uppercase; }
.card-value { font-size: 20px; font-weight: 600; margin-top: 4px; }

.actions { display: flex; gap: 12px; margin: 12px 0; flex-wrap: wrap; }
button { background: #2a3142; color: var(--text); border: 1px solid var(--border);
         padding: 8px 14px; border-radius: 4px; cursor: pointer; font: inherit; }
button:hover { background: #343c50; }
button.primary { background: var(--accent); color: #0f1115; border-color: transparent; }
button.danger  { background: var(--err); color: white; border-color: transparent; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

textarea { width: 100%; background: #0a0d12; color: var(--text); border: 1px solid var(--border);
           border-radius: 6px; padding: 10px; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }

.diff { background: #0a0d12; border: 1px solid var(--border); padding: 12px; border-radius: 6px;
        white-space: pre-wrap; max-height: 600px; overflow: auto; }
.diff { color: var(--text); }
.diff::first-line { color: var(--muted); }

.lvl-BUY  td:first-child { border-left: 3px solid var(--ok); }
.lvl-SELL td:first-child { border-left: 3px solid var(--err); }
.lvl-FILLED { opacity: 0.55; }
.lvl-CANCELED { opacity: 0.4; text-decoration: line-through; }

.warnings { background: rgba(232,178,67,0.08); padding: 8px 14px; border-radius: 6px; }
.warnings li { color: var(--warn); }

form.filter { display: flex; gap: 12px; align-items: end; margin-bottom: 12px; }
form.filter label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); }
form.filter input { background: var(--panel); border: 1px solid var(--border); color: var(--text);
                    padding: 6px 8px; border-radius: 4px; }

form.upload { margin: 12px 0; padding: 10px; background: var(--panel); border-radius: 6px;
              border: 1px solid var(--border); }

/* form fields (login + settings) */
input[type="text"], input[type="password"] {
  width: 100%; background: #0a0d12; color: var(--text); border: 1px solid var(--border);
  padding: 9px 10px; border-radius: 4px; font: inherit;
}
input[type="text"]:focus, input[type="password"]:focus { outline: none; border-color: var(--accent); }
section.card label { display: block; margin: 12px 0; color: var(--muted); font-size: 13px; }
section.card label input { margin-top: 6px; }
section.card label.checkbox { display: flex; align-items: center; gap: 8px; }
section.card label.checkbox input { width: auto; margin-top: 0; }

/* inline label fields + table inputs + advanced disclosure */
.inline-field { color: var(--muted); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.inline-field input { width: auto; }
.table input[type="text"], .table input[type="number"] { padding: 5px 8px; }
.actions label.checkbox { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
.actions label.checkbox input { width: auto; }
details.advanced { margin: 18px 0; }
details.advanced > summary { cursor: pointer; color: var(--accent); margin: 8px 0; }

/* login page */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
              padding: 28px 32px; width: 320px; }
.login-card .brand { font-size: 22px; font-weight: 700; margin: 0 0 18px; text-align: center; }
.login-card label { display: block; margin: 12px 0; color: var(--muted); font-size: 13px; }
.login-card label input { margin-top: 6px; }
.login-card button.primary { width: 100%; margin-top: 14px; padding: 10px; }