:root {
  color-scheme: light;
  --accent: #fd6500;
  --accent-dark: #d94f00;
  --ink: #202833;
  --muted: #77818d;
  --line: #e7e9ec;
  --surface: #ffffff;
  --page: #f5f6f8;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--ink);
  font: 14px Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
small, label { color: var(--muted); font-size: 11px; letter-spacing: .04em; }
h1 { margin: 7px 0; font-size: 26px; }
h2 { margin: 6px 0 0; font-size: 17px; }
button, input, select { font: inherit; }
button {
  border: 1px solid var(--accent);
  border-radius: 7px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
button:hover { border-color: var(--accent-dark); background: var(--accent-dark); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .55; cursor: wait; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid #fd650055; outline-offset: 2px; }

aside {
  position: fixed;
  display: flex;
  flex-direction: column;
  width: 240px;
  height: 100vh;
  padding: 26px 16px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}
.brand { padding: 0 12px 30px; font-size: 18px; font-weight: 800; letter-spacing: .04em; }
.brand span { color: var(--muted); font-size: 10px; }
nav { display: grid; gap: 5px; }
nav a { padding: 11px 13px; border-radius: 7px; color: #68727e; text-decoration: none; }
nav .selected, nav a:hover { background: #fff1e8; color: var(--accent-dark); }
.aside-foot { margin-top: auto; padding: 12px; color: var(--muted); font-size: 10px; line-height: 2; }
.aside-foot small { font-size: 11px; }

main {
  width: calc(100% - 240px);
  max-width: 1600px;
  margin-left: 240px;
  padding: 36px 42px;
}
main[hidden], aside[hidden] { display: none; }
header { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 28px; }
.badges { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.badges b, .tag { padding: 8px 10px; border-radius: 5px; background: #fff0e6; color: var(--accent-dark); font-size: 10px; letter-spacing: .04em; }
.badges .off { background: #f0f2f4; color: #75808b; }
.badges .lock { background: #fff5df; color: #9a6810; }
.badges button { padding: 8px 10px; font-size: 11px; }
.grid { display: grid; gap: 16px; margin-bottom: 16px; }
.four { grid-template-columns: repeat(4, 1fr); }
.two { grid-template-columns: 1.3fr 1fr; }
article, .panel { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: 0 2px 8px #25304408; }
article { padding: 20px; }
.panel { margin-bottom: 16px; padding: 20px; }
.four strong { display: block; margin: 13px 0 5px; font-size: 25px; }
.green { color: #249567; }
.panel-title { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.tag { background: #f1f3f5; color: #65717d; }
.market { display: flex; align-items: center; gap: 20px; padding: 17px 0; border-top: 1px solid var(--line); }
.market div { display: grid; gap: 6px; margin-right: auto; }
.market strong { color: #6a7580; font-size: 20px; }
.market em { padding: 5px 7px; border: 1px solid var(--line); border-radius: 4px; color: #6d7884; font-size: 10px; font-style: normal; }
.status { margin: 17px 0 0; padding: 0; list-style: none; }
.status li { display: flex; justify-content: space-between; padding: 13px 0; border-top: 1px solid var(--line); color: #68727e; font-size: 12px; }
.status b { color: #9a6810; font-size: 10px; }
.empty { padding: 22px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
footer { padding: 10px 0 24px; color: var(--muted); font-size: 11px; }
.muted { color: var(--muted); font-size: 12px; line-height: 1.6; }

.backtest-form { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 12px; }
.backtest-form label, .client-create label { display: grid; gap: 7px; }
.backtest-form select, .client-create input, .client-create select, .client-controls input {
  min-width: 110px;
  padding: 10px;
  border: 1px solid #d9dde2;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
.backtest-form button { padding: 11px 15px; }
.backtest-form button:disabled { opacity: .55; cursor: wait; }
#backtest-error, #client-backtest-error { color: #c8392b; font-size: 12px; }
#backtest-results, #client-backtest-results { white-space: pre-wrap; line-height: 1.7; }

.client-create { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 12px; padding: 15px 0; }
.client-create input[type="email"] { min-width: 230px; }
.client-create button { white-space: nowrap; }
.client-list { display: grid; gap: 10px; }
.client-row { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.client-details { display: grid; min-width: 210px; gap: 7px; }
.client-details small { letter-spacing: 0; line-height: 1.5; }
.client-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.client-controls input { width: 120px; min-width: 100px; }
.client-controls button { padding: 9px 10px; font-size: 11px; }
#client-admin-message { min-height: 16px; color: #21835d; font-size: 12px; }

#client-view { display: block; width: 100%; max-width: 1200px; margin: 36px auto; padding: 0 28px; }
#client-view[hidden] { display: none; }
#client-view header { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
#client-view article strong { display: block; margin: 13px 0 5px; font-size: 25px; }

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background: radial-gradient(ellipse at 15% 12%, #fff0e5 0, transparent 36%), var(--page);
}
.login-card {
  width: min(100%, 440px);
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 18px 60px #29323f12;
}
.login-brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.login-brand>span:last-child { display: grid; gap: 2px; }
.login-brand strong { font-size: 15px; }
.login-brand small { color: var(--muted); font-size: 9px; letter-spacing: .14em; }
.login-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; background: var(--accent); color: #fff; font-size: 13px; font-weight: 800; }
.login-heading { margin: 42px 0 25px; }
.eyebrow { color: var(--accent-dark); font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.login-heading h1 { margin: 9px 0 7px; font-size: 30px; }
.login-heading p, .login-help { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.login-form { display: grid; gap: 17px; }
.login-form label { display: grid; gap: 8px; color: #4e5965; font-size: 12px; font-weight: 650; letter-spacing: 0; }
.login-form input { width: 100%; padding: 13px 12px; border: 1px solid #d9dde2; border-radius: 7px; background: #fff; color: var(--ink); font-size: 14px; }
.login-form input::placeholder { color: #a2aab2; }
.login-form button { width: 100%; margin-top: 3px; padding: 13px; }
#login-message { min-height: 18px; margin: 0; color: #bf3d2f; font-size: 12px; line-height: 1.5; }
.login-help { margin-top: 16px; padding: 12px; border-radius: 7px; background: #fff7f1; font-size: 11px; }
.login-foot { margin-top: 30px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.login-foot span { padding: 0 4px; color: var(--accent); }

@media (max-width: 900px) {
  aside { width: 190px; }
  main { width: calc(100% - 190px); margin-left: 190px; padding: 25px 20px; }
  .four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .client-row { align-items: flex-start; flex-direction: column; }
  .client-controls { width: 100%; }
  .client-controls input { flex: 1; }
  #client-view { margin: 18px auto; padding: 0 14px; }
}
@media (max-width: 600px) {
  aside { width: 60px; padding: 20px 6px; }
  .brand { padding: 5px 10px 25px; font-size: 0; }
  .brand:first-letter { font-size: 18px; }
  nav a { padding: 13px; text-align: center; font-size: 0; }
  nav a:first-letter { font-size: 16px; }
  .aside-foot { display: none; }
  main { width: calc(100% - 60px); margin-left: 60px; padding: 20px 13px; }
  .two { grid-template-columns: 1fr; }
  .four { gap: 8px; }
  article, .panel { padding: 14px; }
  header { align-items: flex-start; flex-direction: column; }
  .login-card { padding: 28px 23px; }
}
.trial-queue { margin: 20px 0; padding: 16px; border: 1px solid #ffeadc; border-radius: 9px; background: #fffaf6; }
.trial-queue>.panel-title { margin-bottom: 12px; }
.trial-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.trial-actions button { padding: 9px 11px; font-size: 11px; }
.trial-actions .secondary { border-color: #d9dde2; background: #fff; color: #4e5965; }
.trial-actions .secondary:hover { border-color: #b9c0c7; background: #f4f5f6; }