* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: #f4f5f7; color: #222; }
header { padding: 10px 16px; background: #1f2530; color: #fff; }
header .logout { float: right; color: #aab; }
.badge { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 3px; font-size: 12px; font-weight: bold; }
.badge.real { background: #d9363e; }
.badge.demo { background: #3a8f3a; }

.layout { display: flex; gap: 16px; padding: 16px; align-items: flex-start; }
main { flex: 1; min-width: 0; }
aside { width: 440px; position: sticky; top: 16px; }
@media (max-width: 1000px) { .layout { flex-direction: column; } aside { width: 100%; position: static; } }

section, aside { background: #fff; border: 1px solid #dde; border-radius: 4px; padding: 12px 16px; margin-bottom: 16px; }
h2 { margin: 0 0 10px; font-size: 16px; }
h3 { margin: 12px 0 6px; font-size: 14px; }

button { padding: 6px 14px; border: 1px solid #2d6cdf; background: #2d6cdf; color: #fff; border-radius: 3px; cursor: pointer; font-size: 14px; }
button:disabled { opacity: .45; cursor: default; }
button.danger { background: #d9363e; border-color: #d9363e; }
button.loading { opacity: .6; }
button.loading::after { content: " ..."; }

.form { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 10px; }
.form label { display: flex; flex-direction: column; font-size: 12px; color: #666; }
.form select, .form input { margin-top: 2px; padding: 5px; width: 140px; font-size: 14px; }

.result { margin-top: 10px; overflow-x: auto; }
table { border-collapse: collapse; margin: 6px 0; font-size: 13px; }
th, td { padding: 4px 8px; border-bottom: 1px solid #eee; text-align: left; white-space: nowrap; }
table.kv th { color: #666; font-weight: normal; }
tr.pick { cursor: pointer; }
tr.pick:hover { background: #f0f4ff; }
tr.best { background: #eaf6ea; }
.sig-LONG, .plus { color: #1d8a3a; font-weight: bold; }
.sig-SHORT, .minus { color: #d9363e; font-weight: bold; }
.sig-SKIP { color: #999; }

.error, .warning, .ok { padding: 6px 10px; margin: 6px 0; border-radius: 3px; }
.error { background: #fde8e8; color: #a31f25; }
.warning { background: #fff5d6; color: #7a5a00; }
.ok { background: #e6f5e8; color: #1d6a30; }
.hint { color: #777; font-size: 12px; }

#log { font: 12px/1.5 Menlo, Consolas, monospace; max-height: 80vh; overflow-y: auto; }
.log-error { color: #d9363e; }
.log-warn { color: #b07800; }
.log-trade { color: #1d6a30; font-weight: bold; }
.log-risk { color: #6a3fb0; }
.log-signal { color: #2d6cdf; }

.login { width: 300px; margin: 100px auto; background: #fff; padding: 24px; border: 1px solid #dde; border-radius: 4px; }
.login h1 { margin: 0 0 16px; font-size: 20px; }
.login input { display: block; width: 100%; padding: 8px; margin-bottom: 10px; font-size: 14px; }
.login button { width: 100%; }

header nav { display: inline-block; margin-left: 16px; }
header nav a { color: #aab; text-decoration: none; margin-right: 12px; }
header nav a.active { color: #fff; border-bottom: 2px solid #2d6cdf; }

.cards { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.card { border: 1px solid #e3e5ea; border-radius: 4px; padding: 8px 14px; min-width: 150px; }
.card span { display: block; font-size: 12px; color: #777; }
.card b { font-size: 18px; }
.warning-text { color: #b07800; font-size: 13px; }

table.settings input { width: 260px; padding: 4px; font-size: 13px; }
table.settings td.hint { white-space: normal; }
section button + button { margin-left: 6px; }