/* QuantPilot v2 — selected Product Design direction 3 */
:root {
  --nav: #0b1628;
  --nav-2: #111f35;
  --nav-line: #21314a;
  --canvas: #f5f7fa;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --line: #dfe5ec;
  --line-strong: #cbd5e1;
  --text: #172033;
  --text-2: #3f4b5f;
  --muted: #718096;
  --muted-2: #99a4b4;
  --primary: #315efb;
  --primary-hover: #244ee5;
  --primary-soft: #edf2ff;
  --ai: #0b9d8d;
  --ai-soft: #e6f7f4;
  --success: #12996f;
  --success-soft: #e9f8f2;
  --warning: #c77b11;
  --warning-soft: #fff6e7;
  --danger: #d9485f;
  --danger-soft: #fff0f2;
  --shadow: 0 10px 32px rgba(23, 32, 51, .06);
  --font-ui: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --font-data: "IBM Plex Mono", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
html { background: var(--canvas); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--canvas); color: var(--text); font-family: var(--font-ui); font-size: 14px; -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid rgba(49, 94, 251, .55); outline-offset: 2px; }
button:disabled { cursor: not-allowed; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.primary, .secondary, .mint { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 8px; font-size: 13px; font-weight: 700; line-height: 1; transition: background-color .16s ease, border-color .16s ease, color .16s ease, transform .16s ease; }
.primary { color: #fff; background: var(--primary); border: 1px solid var(--primary); box-shadow: none; }
.primary:hover:not(:disabled) { background: var(--primary-hover); border-color: var(--primary-hover); }
.secondary { color: var(--text-2); background: #fff; border: 1px solid var(--line-strong); }
.secondary:hover:not(:disabled) { color: var(--primary); border-color: #9fb2ff; background: var(--primary-soft); }
.mint { color: #076052; background: var(--ai-soft); border: 1px solid #a9e3d9; }
.mint:hover:not(:disabled) { background: #d8f2ed; }
.primary:disabled, .secondary:disabled, .mint:disabled { opacity: .42; }
.wide { width: 100%; min-height: 46px; }
.text-button { display: inline-flex; align-items: center; gap: 5px; padding: 6px 2px; color: var(--primary); background: transparent; border: 0; font-size: 12px; font-weight: 650; }
.text-button:hover { color: var(--primary-hover); }
.icon-btn { width: 38px; height: 38px; display: grid; place-items: center; padding: 0; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 9px; font-size: 17px; }
.icon-btn:hover { color: var(--primary); border-color: #b8c6f8; }
.status-dot { width: 7px; height: 7px; display: inline-block; flex: 0 0 auto; background: var(--success); border-radius: 50%; }

/* Authentication */
.auth-screen { min-height: 100vh; display: grid; grid-template-columns: minmax(520px, 1.04fr) minmax(440px, .96fr); background: #fff; }
.auth-story { min-height: 100vh; display: flex; flex-direction: column; padding: 42px clamp(46px, 7vw, 112px); color: #fff; background: var(--nav); }
.auth-brand, .brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; color: #fff; background: var(--primary); border: 0; border-radius: 9px; box-shadow: none; font-size: 20px; transform: none; }
.auth-brand strong, .auth-brand small, .brand strong, .brand small { display: block; }
.auth-brand strong { font-size: 18px; letter-spacing: -.02em; }
.auth-brand small { margin-top: 3px; color: #8fa4c1; font: 600 8px var(--font-data); letter-spacing: .16em; }
.auth-message { max-width: 640px; margin: auto 0; }
.eyebrow, .page-eyebrow, .form-kicker { color: #8fb2ff; font: 700 9px var(--font-data); letter-spacing: .14em; }
.auth-message h1 { margin: 18px 0 22px; font-size: clamp(42px, 4.4vw, 68px); line-height: 1.12; letter-spacing: -.055em; }
.auth-message > p { max-width: 590px; margin: 0; color: #afbdd0; font-size: 15px; line-height: 1.9; }
.auth-capabilities { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; padding-top: 28px; border-top: 1px solid var(--nav-line); }
.auth-capabilities > div { display: flex; gap: 11px; align-items: flex-start; }
.auth-capabilities i { color: #81a5ff; font-size: 19px; }
.auth-capabilities span, .auth-capabilities strong, .auth-capabilities small { display: block; }
.auth-capabilities strong { font-size: 12px; }
.auth-capabilities small { margin-top: 5px; color: #7890af; font-size: 9px; line-height: 1.5; }
.auth-foot { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #6f87a6; font-size: 9px; }
.auth-foot span { display: inline-flex; align-items: center; gap: 8px; }
.auth-foot span i { width: 7px; height: 7px; background: #45c9a5; border-radius: 50%; }
.auth-foot small { font: 8px var(--font-data); }
.auth-form-side { min-height: 100vh; display: grid; place-items: center; padding: 44px; background: #fff; }
.auth-card { width: min(410px, 100%); padding: 0; background: #fff; border: 0; border-radius: 0; box-shadow: none; }
.auth-heading { margin: 0 0 28px; }
.form-kicker { display: block; margin-bottom: 10px; color: var(--primary); }
.auth-heading h2 { margin: 0; font-size: 30px; letter-spacing: -.04em; }
.auth-heading p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; margin-bottom: 22px; background: #f1f4f8; border-radius: 10px; }
.auth-tabs button { min-height: 38px; color: var(--muted); background: transparent; border: 0; border-radius: 7px; font-size: 12px; font-weight: 650; }
.auth-tabs button.active { color: var(--text); background: #fff; box-shadow: 0 3px 10px rgba(23, 32, 51, .07); }
.auth-card > label { display: block; margin-top: 16px; color: var(--text-2); font-size: 12px; font-weight: 650; }
.input-shell { height: 46px; display: flex; align-items: center; gap: 10px; margin-top: 7px; padding: 0 13px; background: #fff; border: 1px solid var(--line-strong); border-radius: 8px; }
.input-shell:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(49, 94, 251, .08); }
.input-shell i { color: var(--muted-2); font-size: 17px; }
.auth-card input { width: 100%; height: 42px; margin: 0; padding: 0; color: var(--text); background: transparent; border: 0; border-radius: 0; outline: 0; font-size: 13px; }
.auth-card input::placeholder { color: #a8b1bf; }
.auth-card .wide { margin-top: 22px; }
.auth-error { min-height: 18px; margin: 10px 0 0; color: var(--danger); font-size: 11px; }
.security-note { display: flex; gap: 8px; align-items: flex-start; margin-top: 22px; padding-top: 18px; color: var(--muted); border-top: 1px solid var(--line); font-size: 10px; line-height: 1.5; }
.security-note i { color: var(--success); font-size: 15px; }

/* Application shell */
.app { min-height: 100vh; display: grid; grid-template-columns: 216px minmax(0, 1fr); background: var(--canvas); }
.sidebar { width: auto; height: 100vh; position: sticky; top: 0; display: flex; flex-direction: column; padding: 24px 12px 16px; overflow: hidden; color: #dce6f3; background: var(--nav); border-right: 0; box-shadow: none; backdrop-filter: none; }
.brand { padding: 0 10px 28px; }
.brand .brand-mark { width: 34px; height: 34px; border-radius: 8px; font-size: 17px; }
.brand strong { font-size: 17px; letter-spacing: -.02em; }
.brand small { margin-top: 2px; color: #6f86a5; font: 600 8px var(--font-data); letter-spacing: .12em; }
.nav-group-label { margin: 4px 12px 8px; color: #617795; font: 700 8px var(--font-data); letter-spacing: .12em; text-transform: uppercase; }
.service-label { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--nav-line); }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.nav { width: 100%; min-height: 42px; display: grid; grid-template-columns: 28px 1fr; align-items: center; padding: 9px 11px; color: #9db0c9; background: transparent; border: 1px solid transparent; border-radius: 7px; text-align: left; font-size: 12px; font-weight: 600; }
.nav i { color: #7f95b2; font-size: 17px; }
.nav span { color: inherit; font: inherit; }
.nav:hover { color: #fff; background: #101f34; border-color: transparent; }
.nav.active { color: #fff; background: #162b49; border-color: #1c3d68; box-shadow: inset 3px 0 var(--primary); }
.nav.active i { color: #79a2ff; }
.admin-nav { margin-top: 0; color: #e5bd78; border-top: 0; }
.admin-nav i { color: #cfa96b; }
.admin-nav.active { box-shadow: inset 3px 0 #e2b663; }
.sidebar-spacer { flex: 1; }
.sidebar-ready { display: flex; align-items: center; gap: 8px; margin: 10px 10px 16px; color: #7891af; font-size: 9px; }
.sidebar-ready i { width: 7px; height: 7px; background: #45c9a5; border-radius: 50%; }
.user-card { min-height: 56px; display: grid; grid-template-columns: 34px 1fr 30px; align-items: center; gap: 10px; margin: 0; padding: 13px 8px 0; border-top: 1px solid var(--nav-line); }
.user-card > span { width: 34px; height: 34px; display: grid; place-items: center; color: var(--nav); background: #f1f5f9; border-radius: 50%; font: 700 9px var(--font-data); }
.user-card strong, .user-card small { display: block; }
.user-card strong { color: #f2f6fb; font-size: 10px; }
.user-card small { margin-top: 3px; color: #7188a6; font-size: 8px; text-transform: capitalize; }
.user-card button { width: 30px; height: 30px; display: grid; place-items: center; padding: 0; color: #7f95b2; background: transparent; border: 0; border-radius: 7px; font-size: 16px; }
.user-card button:hover { color: #fff; background: #16283f; }

.workspace { width: 100%; max-width: 1720px; min-width: 0; margin: 0 auto; padding: 26px 32px 56px; }
.workspace-header { min-height: 68px; display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; align-items: center; gap: 8px; color: var(--muted); font: 700 8px var(--font-data); letter-spacing: .1em; }
.breadcrumb span { color: #8794a6; }
.breadcrumb i { width: 3px; height: 3px; background: #a5afbd; border-radius: 50%; }
.breadcrumb b { font-weight: 600; }
.workspace-header h1 { margin: 7px 0 0; color: var(--text); font-size: 25px; letter-spacing: -.035em; }
.header-actions { display: flex; align-items: center; gap: 9px; }
.system-badge { min-height: 38px; display: inline-flex; align-items: center; gap: 8px; padding: 0 12px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 9px; font: 9px var(--font-data); }
.system-badge.failed .status-dot { background: var(--danger); }
.view { display: none; }
.view.active { display: block; animation: view-in .2s ease both; }
@keyframes view-in { from { opacity: .65; transform: translateY(3px); } }
.surface { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: none; }
.surface-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.surface-head > div > span { color: var(--muted-2); font: 700 8px var(--font-data); letter-spacing: .11em; }
.surface-head h3 { margin: 5px 0 0; font-size: 15px; }
.surface-head > b { padding: 5px 8px; color: var(--muted); background: var(--surface-soft); border-radius: 6px; font-size: 8px; font-weight: 600; }

/* Overview */
.overview-hero { min-height: 152px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding: 28px 30px; color: #fff; background: var(--nav-2); border-radius: 11px; }
.overview-hero .page-eyebrow { color: #8fb2ff; }
.overview-hero h2 { margin: 9px 0 8px; font-size: 27px; letter-spacing: -.04em; }
.overview-hero p { max-width: 690px; margin: 0; color: #9eb0c7; font-size: 12px; line-height: 1.7; }
.overview-hero .primary { flex: 0 0 auto; }
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0; }
.summary-grid article { min-height: 102px; position: relative; padding: 17px 18px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 9px; }
.summary-grid article > i { position: absolute; top: 17px; right: 17px; color: #aab8ca; font-size: 20px; }
.summary-grid span, .summary-grid strong, .summary-grid small { display: block; }
.summary-grid span { color: var(--muted); font-size: 10px; }
.summary-grid strong { margin-top: 8px; color: var(--text); font: 700 23px var(--font-data); }
.summary-grid strong.online-text { color: var(--success); font-family: var(--font-ui); font-size: 17px; }
.summary-grid small { margin-top: 5px; color: var(--muted-2); font-size: 8px; }
.overview-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 14px; }
.overview-grid .surface { min-height: 305px; padding: 22px; }
.overview-list, .compact-exchanges { margin-top: 17px; }
.loading-row { min-height: 82px; display: grid; place-items: center; color: var(--muted-2); font-size: 10px; }
.overview-row { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 12px; padding: 12px 2px; border-bottom: 1px solid #edf0f4; }
.overview-row:last-child { border-bottom: 0; }
.overview-row > i { width: 32px; height: 32px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 8px; font-size: 16px; }
.overview-row strong, .overview-row small { display: block; }
.overview-row strong { font-size: 11px; }
.overview-row small { margin-top: 4px; color: var(--muted); font-size: 8px; }
.overview-row > time { color: var(--muted-2); font: 8px var(--font-data); }
.compact-exchange { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; padding: 13px 2px; border-bottom: 1px solid #edf0f4; }
.compact-exchange:last-child { border-bottom: 0; }
.compact-exchange strong { font-size: 11px; }
.compact-exchange span { display: inline-flex; align-items: center; gap: 7px; color: var(--success); font: 700 8px var(--font-data); }
.compact-exchange span::before { content: ""; width: 6px; height: 6px; background: currentColor; border-radius: 50%; }
.compact-exchange.disabled span { color: var(--danger); }

/* Strategy workflow */
.strategy-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.strategy-state { display: inline-flex; align-items: center; gap: 7px; color: var(--ai); font-size: 10px; font-weight: 650; }
.strategy-state i { width: 7px; height: 7px; background: var(--ai); border-radius: 50%; }
.strategy-heading h2 { margin: 8px 0 6px; font-size: 24px; letter-spacing: -.035em; }
.strategy-heading p { margin: 0; color: var(--muted); font-size: 11px; }
.symbol-chip { padding: 8px 11px; color: var(--text-2); background: #fff; border: 1px solid var(--line-strong); border-radius: 7px; font: 700 10px var(--font-data); }
.workflow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin: 22px 0 17px; padding: 15px 18px; list-style: none; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.workflow-steps li { min-width: 0; display: flex; align-items: center; gap: 10px; position: relative; color: var(--muted-2); }
.workflow-steps li:not(:last-child)::after { content: ""; height: 1px; position: absolute; left: calc(50% + 52px); right: 12px; top: 16px; background: var(--line); }
.workflow-steps li b { width: 32px; height: 32px; display: grid; place-items: center; flex: 0 0 auto; background: #eef1f5; border-radius: 50%; font: 700 11px var(--font-data); }
.workflow-steps li span, .workflow-steps li strong, .workflow-steps li small { display: block; }
.workflow-steps li strong { color: var(--text-2); font-size: 10px; }
.workflow-steps li small { margin-top: 3px; color: var(--muted-2); font-size: 8px; }
.workflow-steps li.active b { color: #fff; background: var(--primary); }
.workflow-steps li.active strong { color: var(--primary); }
.workflow-steps li.complete b { color: var(--primary); background: var(--primary-soft); }
.strategy-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 390px; gap: 14px; align-items: start; }
.strategy-editor { min-height: 660px; overflow: hidden; }
.strategy-tabs { height: 56px; display: flex; align-items: flex-end; gap: 22px; padding: 0 22px; border-bottom: 1px solid var(--line); }
.strategy-tabs button { height: 56px; display: inline-flex; align-items: center; gap: 7px; position: relative; padding: 0 2px; color: var(--muted); background: transparent; border: 0; font-size: 12px; font-weight: 650; }
.strategy-tabs button::after { content: ""; height: 2px; position: absolute; right: 0; bottom: -1px; left: 0; background: transparent; }
.strategy-tabs button.active { color: var(--text); }
.strategy-tabs button.active::after { background: var(--primary); }
.strategy-tabs button > span { margin-left: 3px; padding: 4px 7px; color: var(--muted); background: #f1f4f8; border-radius: 999px; font-size: 8px; }
.strategy-tabs button > span.ready { color: var(--ai); background: var(--ai-soft); }
.builder-tab-panel { display: none; padding: 24px 22px; }
.builder-tab-panel.active { display: block; }
.section-intro { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 15px; }
.section-intro h3 { margin: 0; font-size: 15px; }
.section-intro p { margin: 6px 0 0; color: var(--muted); font-size: 10px; }
.strategy-editor textarea { width: 100%; min-height: 355px; padding: 18px 20px; resize: vertical; color: var(--text); background: #fbfcfd; border: 1px solid var(--line-strong); border-radius: 8px; font-size: 13px; line-height: 1.85; outline: 0; }
.strategy-editor textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(49, 94, 251, .07); }
.textarea-meta { display: flex; justify-content: space-between; margin-top: 8px; color: var(--muted-2); font: 8px var(--font-data); }
.prompt-row { display: flex; gap: 7px; margin-top: 14px; }
.prompt-row button { padding: 7px 9px; color: var(--text-2); background: var(--surface-soft); border: 1px solid var(--line); border-radius: 7px; font-size: 9px; }
.prompt-row button:hover { color: var(--primary); border-color: #bac8fb; }
.parse-action { width: min(330px, 100%); margin-top: 18px; }
.parse-action b { margin-left: auto; }
.safe-explain { display: flex; align-items: center; gap: 7px; margin: 12px 0 0; color: var(--muted); font-size: 9px; }
.safe-explain i { color: var(--success); font-size: 14px; }
.empty-state { min-height: 430px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 30px; color: var(--muted-2); text-align: center; }
.empty-state > i { width: 48px; height: 48px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 50%; font-size: 23px; }
.empty-state strong { margin-top: 16px; color: var(--text-2); font-size: 12px; }
.empty-state p { max-width: 330px; margin: 7px 0 0; font-size: 9px; line-height: 1.7; }
.refine-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 14px; }
.refine-row input { min-width: 0; height: 40px; padding: 0 12px; color: var(--text); background: #fff; border: 1px solid var(--line-strong); border-radius: 7px; outline: 0; font-size: 10px; }
.refine-row button { padding: 0 13px; color: #fff; background: var(--primary); border: 1px solid var(--primary); border-radius: 7px; font-size: 10px; font-weight: 650; }
.refine-row input:disabled, .refine-row button:disabled { opacity: .42; }

.spec-render { min-height: 430px; }
.strategy-summary { padding: 0; }
.strategy-abstract { margin-bottom: 16px; padding: 13px 14px; background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; }
.strategy-abstract > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 7px; }
.strategy-abstract strong { font-size: 11px; }
.strategy-abstract span { padding: 4px 8px; color: var(--ai); background: var(--ai-soft); border-radius: 999px; font-size: 8px; font-weight: 700; }
.strategy-abstract p { margin: 0; color: var(--text-2); font-size: 10px; line-height: 1.7; }
.strategy-summary-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.strategy-summary-head h4 { margin: 0; font-size: 15px; }
.strategy-summary-head p { margin: 7px 0 0; color: var(--text-2); font-size: 11px; line-height: 1.65; }
.strategy-summary-head span { flex: 0 0 auto; padding: 6px 9px; color: var(--ai); background: var(--ai-soft); border-radius: 999px; font-size: 8px; font-weight: 700; }
.spec-section { padding: 17px 0; border-bottom: 1px solid var(--line); }
.spec-section h5 { display: flex; align-items: center; justify-content: space-between; margin: 0 0 11px; font-size: 12px; }
.spec-section h5 small { color: var(--muted-2); font-size: 8px; font-weight: 500; }
.spec-rule { display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 9px; padding: 7px 0; }
.spec-rule b { width: 20px; height: 20px; display: grid; place-items: center; color: var(--muted); background: #eef1f5; border-radius: 50%; font: 700 8px var(--font-data); }
.spec-rule span { color: var(--text-2); font-size: 10px; line-height: 1.55; }
.spec-rule i { color: var(--muted-2); font-style: normal; font-size: 8px; }
.spec-risk { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.spec-risk div { padding: 11px 12px; background: var(--surface-soft); border-radius: 7px; }
.spec-risk span, .spec-risk strong { display: block; }
.spec-risk span { color: var(--muted); font-size: 8px; }
.spec-risk strong { margin-top: 5px; color: var(--text); font: 700 11px var(--font-data); }
.spec-risk div:first-child strong { color: var(--danger); }
.spec-risk div:nth-child(2) strong { color: var(--success); }
.spec-operating { display: grid; gap: 8px; }
.spec-operating div { display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 9px; color: var(--text-2); font-size: 9px; }
.spec-operating i { width: 20px; height: 20px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 50%; font-size: 11px; }
.spec-operating b { color: var(--muted-2); font-size: 8px; font-weight: 500; }
.warning-box { margin-top: 15px; padding: 11px 12px; color: #8a5a10; background: var(--warning-soft); border: 1px solid #f0cf95; border-radius: 7px; font-size: 9px; line-height: 1.6; }

.backtest-panel { margin: 0; padding: 21px; border-radius: 10px; box-shadow: none; }
.exchange-picker-label { margin-top: 20px; color: var(--text-2); font-size: 10px; font-weight: 650; }
.exchange-picker-label small { margin-left: 4px; color: var(--muted-2); font-weight: 500; }
.exchange-quick { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; margin-top: 8px; }
.exchange-quick button { min-width: 0; height: 34px; padding: 0 5px; overflow: hidden; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 6px; font: 8px var(--font-data); text-overflow: ellipsis; white-space: nowrap; }
.exchange-quick button.active { color: var(--primary); background: var(--primary-soft); border-color: #9eb3ff; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 15px; }
.controls label { color: var(--text-2); font-size: 9px; font-weight: 650; }
.controls label:first-child { display: none; }
.controls label:nth-child(2), .controls label:nth-child(5) { grid-column: 1 / -1; }
.controls input, .controls select { width: 100%; height: 39px; margin-top: 6px; padding: 0 10px; color: var(--text); background: #fff; border: 1px solid var(--line-strong); border-radius: 7px; outline: 0; color-scheme: light; font-size: 10px; }
.controls input:focus, .controls select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(49, 94, 251, .07); }
.button-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 15px; }
.button-row .mint { grid-column: 1 / -1; }
.button-row > span { grid-column: 1 / -1; color: var(--muted); font-size: 9px; }
.result-placeholder { min-height: 142px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; margin-top: 14px; padding: 16px; color: var(--muted); background: var(--surface-soft); border: 1px dashed var(--line-strong); border-radius: 8px; text-align: center; font-size: 9px; }
.result-placeholder > i { color: var(--primary); font-size: 24px; }
.result-placeholder > strong { color: var(--text-2); font-size: 11px; }
.metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; margin-top: 14px; }
.metric { padding: 11px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 7px; }
.metric span, .metric strong { display: block; }
.metric span { color: var(--muted); font-size: 8px; }
.metric strong { margin-top: 5px; color: var(--text); font: 700 12px var(--font-data); }
.metric.up strong { color: var(--success); }
.metric.down strong { color: var(--danger); }
canvas { width: 100%; margin-top: 12px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.data-note { display: flex; align-items: center; gap: 7px; margin-top: 12px; color: var(--muted-2); font-size: 8px; }
.disclaimer { display: flex; align-items: center; gap: 8px; margin-top: 13px; padding: 11px 13px; color: var(--muted); background: #eef1f5; border-radius: 8px; font-size: 9px; }
.disclaimer i { color: var(--muted); font-size: 14px; }

/* Library and data lists */
.list-panel, .exchange-page { min-height: 620px; padding: 25px; }
.list-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.list-head h2 { margin: 7px 0 0; font-size: 23px; letter-spacing: -.03em; }
.list-head p { margin: 7px 0 0; color: var(--muted); font-size: 10px; }
.list-head > div:last-child { display: flex; gap: 8px; }
.list-table-head { display: grid; grid-template-columns: 1fr 220px; gap: 20px; padding: 10px 14px; color: var(--muted-2); background: var(--surface-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 8px; font-weight: 700; letter-spacing: .06em; }
.list { display: flex; flex-direction: column; gap: 0; }
.list-item { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 16px 14px; background: #fff; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; }
.list-item:hover { background: #fafbfc; }
.list-item h3 { margin: 0 0 6px; color: var(--text); font-size: 12px; }
.list-item p { max-width: 850px; margin: 0; color: var(--muted); font-size: 9px; line-height: 1.65; }
.list-item aside { min-width: 200px; display: flex; align-items: flex-start; justify-content: flex-end; gap: 7px; }
.pill { padding: 6px 8px; color: var(--muted); background: #f1f4f8; border: 1px solid var(--line); border-radius: 999px; font: 8px var(--font-data); }
.pill.success { color: var(--success); background: var(--success-soft); border-color: #bce8d8; }
.pill.failed { color: var(--danger); background: var(--danger-soft); border-color: #f2bdc6; }
.tiny-btn { padding: 6px 9px; color: var(--primary); background: #fff; border: 1px solid #b9c8fb; border-radius: 7px; font-size: 8px; font-weight: 650; }
.tiny-btn:hover { background: var(--primary-soft); }
.empty-list { min-height: 360px; display: grid; place-items: center; color: var(--muted-2); font-size: 10px; }
.exchange-status-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 11px; margin-top: 25px; }
.exchange-status-card { min-height: 150px; padding: 17px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 9px; }
.exchange-status-card > div { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.exchange-status-card h3 { margin: 0; font-size: 13px; }
.exchange-status-card b { color: var(--success); font: 700 8px var(--font-data); }
.exchange-status-card.disabled b { color: var(--danger); }
.exchange-status-card dl { margin: 20px 0 0; }
.exchange-status-card dl div { display: flex; justify-content: space-between; gap: 10px; margin-top: 9px; }
.exchange-status-card dt { color: var(--muted); font-size: 8px; }
.exchange-status-card dd { margin: 0; color: var(--text-2); font: 8px var(--font-data); }
.exchange-help { display: flex; gap: 12px; margin-top: 18px; padding: 17px; background: var(--primary-soft); border-radius: 9px; }
.exchange-help > i { color: var(--primary); font-size: 18px; }
.exchange-help strong { font-size: 11px; }
.exchange-help p { margin: 5px 0 0; color: var(--muted); font-size: 9px; }

/* Admin */
.admin-title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.admin-title-row h2 { margin: 7px 0 6px; font-size: 24px; }
.admin-title-row p { margin: 0; color: var(--muted); font-size: 10px; }
.admin-hero-state { min-width: 230px; display: grid; grid-template-columns: 9px 1fr; align-items: center; gap: 3px 8px; padding: 11px 13px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.admin-hero-state i { width: 7px; height: 7px; background: var(--warning); border-radius: 50%; box-shadow: none; }
.admin-hero-state span { color: var(--muted); font-size: 8px; }
.admin-hero-state strong { grid-column: 2; color: var(--text-2); font-size: 9px; }
.admin-section-tabs { display: flex; align-items: center; gap: 4px; margin: 20px 0 14px; padding: 4px; background: #e9edf2; border-radius: 9px; }
.admin-section-tabs > button { min-height: 36px; padding: 0 13px; color: var(--muted); background: transparent; border: 0; border-radius: 7px; font-size: 10px; font-weight: 650; }
.admin-section-tabs > button.active { color: var(--text); background: #fff; box-shadow: 0 3px 10px rgba(23, 32, 51, .06); }
.admin-section-tabs .admin-button { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--primary); background: transparent; border: 0; }
.admin-section { display: none; }
.admin-section.active { display: block; }
.admin-metrics { display: grid; grid-template-columns: repeat(6, 1fr); gap: 9px; margin: 0 0 12px; }
.admin-metrics article { min-height: 92px; padding: 15px; background: #fff; border: 1px solid var(--line); border-radius: 9px; }
.admin-metrics span, .admin-metrics strong, .admin-metrics small { display: block; }
.admin-metrics span { color: var(--muted); font-size: 8px; }
.admin-metrics strong { margin: 8px 0 4px; color: var(--text); font: 700 20px var(--font-data); }
.admin-metrics small { color: var(--muted-2); font-size: 7px; }
.admin-system-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 12px; margin-bottom: 0; }
.admin-card { padding: 21px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: none; }
.admin-card-head { min-height: 32px; display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 15px; }
.admin-card-head > div:first-child { display: flex; align-items: center; gap: 9px; }
.admin-card-head > div:first-child > span { color: var(--primary); font: 700 8px var(--font-data); }
.admin-card-head h3 { margin: 0; color: var(--text); font-size: 13px; }
.admin-card-head small { color: var(--muted-2); font-size: 8px; }
.service-board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.service-item { padding: 12px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 8px; }
.service-item span, .service-item strong { display: block; }
.service-item span { color: var(--muted); font-size: 8px; }
.service-item strong { margin: 6px 0 3px; color: var(--muted); font: 700 9px var(--font-data); }
.service-item strong.online { color: var(--success); }
.service-item strong.offline { color: var(--danger); }
.exchange-board { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; }
.exchange-state { padding: 12px 10px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 8px; }
.exchange-state span, .exchange-state strong { display: block; }
.exchange-state span { color: var(--text-2); font-size: 8px; }
.exchange-state strong { margin-top: 6px; color: var(--success); font: 700 7px var(--font-data); }
.exchange-state.disabled strong { color: var(--danger); }
.admin-users-card { margin-bottom: 0; }
.admin-users-head { align-items: center; }
.admin-search { width: min(320px, 46%); display: flex; align-items: center; gap: 8px; padding: 0 11px; background: #fff; border: 1px solid var(--line-strong); border-radius: 8px; }
.admin-search i { color: var(--muted-2); }
.admin-search input { width: 100%; height: 38px; padding: 0; color: var(--text); background: transparent; border: 0; outline: 0; font-size: 10px; }
.admin-table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 8px; }
.admin-table { width: 100%; min-width: 900px; border-collapse: collapse; }
.admin-table th { padding: 11px 13px; color: var(--muted); background: var(--surface-soft); border-bottom: 1px solid var(--line); text-align: left; font-size: 8px; font-weight: 650; }
.admin-table td { padding: 12px 13px; color: var(--text-2); border-bottom: 1px solid var(--line); font-size: 9px; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table tr:hover td { background: #fafbfc; }
.admin-user strong, .admin-user span { display: block; }
.admin-user strong { color: var(--text); font-size: 10px; }
.admin-user span { margin-top: 3px; color: var(--muted); font-size: 8px; }
.admin-select { height: 31px; padding: 0 23px 0 8px; color: var(--text-2); background: #fff; border: 1px solid var(--line-strong); border-radius: 7px; outline: 0; color-scheme: light; font-size: 8px; }
.admin-status-button { min-width: 54px; padding: 6px 8px; color: var(--success); background: var(--success-soft); border: 1px solid #bce8d8; border-radius: 999px; font-size: 8px; }
.admin-status-button.inactive { color: var(--danger); background: var(--danger-soft); border-color: #f2bdc6; }
.admin-table-foot { padding: 11px 2px 0; color: var(--muted); font-size: 8px; }
.admin-tabs { display: flex; gap: 3px; padding: 3px; background: #edf0f4; border-radius: 7px; }
.admin-tabs button { padding: 6px 10px; color: var(--muted); background: transparent; border: 0; border-radius: 5px; font-size: 8px; }
.admin-tabs button.active { color: var(--primary); background: #fff; }
.admin-task-list, .admin-audit-list { max-height: 560px; overflow: auto; }
.admin-task, .admin-audit-row { display: grid; align-items: center; gap: 10px; padding: 13px 3px; border-bottom: 1px solid var(--line); }
.admin-task { grid-template-columns: 1fr auto auto; }
.admin-task strong, .admin-task span, .admin-task small { display: block; }
.admin-task strong { color: var(--text); font-size: 10px; }
.admin-task span { margin-top: 3px; color: var(--muted); font-size: 8px; }
.admin-task small { color: var(--danger); font-size: 8px; }
.admin-state-pill { padding: 5px 7px; color: var(--muted); background: #f1f4f8; border: 1px solid var(--line); border-radius: 999px; font: 8px var(--font-data); }
.admin-state-pill.succeeded, .admin-state-pill.active { color: var(--success); background: var(--success-soft); }
.admin-state-pill.failed { color: var(--danger); background: var(--danger-soft); }
.admin-stop { padding: 6px 8px; color: var(--danger); background: var(--danger-soft); border: 1px solid #f2bdc6; border-radius: 6px; font-size: 8px; }
.admin-audit-row { grid-template-columns: 1fr auto; }
.admin-audit-row strong { color: var(--text); font-size: 9px; }
.admin-audit-row p { margin: 4px 0 0; color: var(--muted); font-size: 8px; }
.admin-audit-row time { color: var(--muted-2); font: 8px var(--font-data); }
.admin-empty { min-height: 100px; padding: 24px !important; color: var(--muted-2) !important; text-align: center !important; font-size: 9px !important; }
.admin-skeleton { min-height: 58px; grid-column: 1 / -1; background: #edf0f4; border-radius: 8px; animation: none; }

.toast { position: fixed; right: 24px; bottom: 24px; z-index: 100; max-width: 380px; padding: 12px 15px; color: #fff; background: var(--nav-2); border: 0; border-radius: 8px; box-shadow: var(--shadow); font-size: 10px; opacity: 0; transform: translateY(8px); pointer-events: none; transition: .18s ease; }
.toast.show { opacity: 1; transform: none; }

@media (max-width: 1200px) {
  .app { grid-template-columns: 76px minmax(0, 1fr); }
  .sidebar { padding-inline: 10px; }
  .brand { justify-content: center; padding-inline: 0; }
  .brand > div, .nav-group-label, .sidebar-ready, .user-card > div, .user-card button { display: none; }
  .nav { grid-template-columns: 1fr; justify-items: center; min-height: 46px; padding-inline: 8px; }
  .nav span { display: none; }
  .nav i { font-size: 18px; }
  .user-card { grid-template-columns: 1fr; justify-items: center; }
  .service-label { display: block; height: 1px; margin: 18px 6px 12px; padding: 0; overflow: hidden; background: var(--nav-line); border: 0; }
  .workspace { padding-inline: 24px; }
  .strategy-workspace { grid-template-columns: minmax(0, 1fr) 350px; }
  .overview-grid { grid-template-columns: 1fr; }
  .exchange-status-grid { grid-template-columns: repeat(3, 1fr); }
  .admin-metrics { grid-template-columns: repeat(3, 1fr); }
  .admin-system-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .auth-screen { grid-template-columns: 1fr; }
  .auth-story { min-height: 440px; padding: 30px 34px; }
  .auth-message { margin: 55px 0; }
  .auth-message h1 { font-size: 42px; }
  .auth-form-side { min-height: auto; padding: 60px 30px; }
  .strategy-workspace { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps li span { display: none; }
  .workflow-steps li:not(:last-child)::after { left: 44px; right: 12px; }
  .backtest-panel { position: static; }
  .exchange-status-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  body { font-size: 13px; }
  .auth-story { min-height: auto; padding: 24px 22px 30px; }
  .auth-message { margin: 48px 0 40px; }
  .auth-message h1 { font-size: 34px; }
  .auth-message > p { font-size: 12px; }
  .auth-capabilities { grid-template-columns: 1fr; gap: 15px; margin-top: 30px; }
  .auth-foot { align-items: flex-start; flex-direction: column; }
  .auth-form-side { padding: 46px 22px; }

  .app { display: block; }
  .sidebar { width: 100%; height: calc(68px + env(safe-area-inset-bottom)); min-height: 68px; position: fixed; inset: auto 0 0; z-index: 60; display: block; padding: 7px 8px calc(7px + env(safe-area-inset-bottom)); overflow-x: auto; overflow-y: hidden; border-top: 1px solid #243650; }
  .sidebar .brand, .nav-group-label, .sidebar-ready, .user-card, .sidebar-spacer { display: none; }
  .sidebar nav { width: max-content; display: flex; flex-direction: row; gap: 4px; }
  .sidebar nav[aria-label="平台服务"] { display: flex; }
  .nav { width: 68px; min-height: 54px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 5px 6px; border-radius: 7px; }
  .nav span { display: block; font-size: 8px; }
  .nav i { font-size: 16px; }
  .nav.active { box-shadow: inset 0 -2px var(--primary); }

  .workspace { padding: 18px 13px 94px; }
  .workspace-header { min-height: 58px; margin-bottom: 16px; padding-bottom: 14px; }
  .workspace-header h1 { font-size: 21px; }
  .system-badge { display: none; }
  .overview-hero { min-height: auto; align-items: flex-start; flex-direction: column; padding: 22px; }
  .overview-hero h2 { font-size: 23px; }
  .overview-hero .primary { width: 100%; }
  .summary-grid { gap: 8px; }
  .summary-grid article { min-height: 94px; padding: 14px; }
  .summary-grid strong { font-size: 20px; }
  .overview-grid .surface { min-height: auto; padding: 18px; }
  .strategy-heading { align-items: flex-start; }
  .strategy-heading h2 { font-size: 21px; }
  .strategy-heading p { max-width: 270px; }
  .workflow-steps { padding: 12px 14px; }
  .workflow-steps li { justify-content: center; }
  .workflow-steps li b { width: 29px; height: 29px; }
  .workflow-steps li:not(:last-child)::after { left: calc(50% + 21px); right: -18px; top: 14px; }
  .strategy-editor { min-height: auto; }
  .strategy-tabs { height: 52px; gap: 18px; padding: 0 17px; }
  .strategy-tabs button { height: 52px; font-size: 11px; }
  .builder-tab-panel { padding: 19px 17px; }
  .strategy-editor textarea { min-height: 310px; padding: 15px; }
  .backtest-panel { padding: 18px; }
  .exchange-quick { grid-template-columns: repeat(3, 1fr); }
  .controls { grid-template-columns: 1fr 1fr; }
  .list-panel, .exchange-page { min-height: calc(100svh - 170px); padding: 18px; }
  .list-head { flex-direction: column; }
  .list-head > div:last-child { width: 100%; }
  .list-head > div:last-child > button { flex: 1; }
  .list-table-head { display: none; }
  .list-item { grid-template-columns: 1fr; gap: 11px; padding: 15px 4px; }
  .list-item aside { min-width: 0; justify-content: flex-end; }
  .exchange-status-grid { grid-template-columns: 1fr; }
  .admin-title-row { align-items: flex-start; flex-direction: column; }
  .admin-hero-state { width: 100%; }
  .admin-section-tabs { overflow-x: auto; }
  .admin-section-tabs > button { flex: 0 0 auto; }
  .admin-section-tabs .admin-button { margin-left: 0; }
  .admin-metrics { grid-template-columns: repeat(2, 1fr); }
  .admin-card { padding: 17px; }
  .exchange-board { grid-template-columns: repeat(2, 1fr); }
  .service-board { grid-template-columns: 1fr; }
  .admin-users-head { align-items: stretch; flex-direction: column; }
  .admin-search { width: 100%; }
  .toast { right: 13px; bottom: 82px; left: 13px; max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}