/* App shell */
.app { min-height: 100vh; }
.app-main { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; transition: margin var(--transition); min-width: 0; }
[data-sidebar="collapsed"] .app-main { margin-left: var(--sidebar-w-sm); }

/* Sidebar */
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w); z-index: 50;
  background: var(--sidebar-bg); color: var(--sidebar-text);
  display: flex; flex-direction: column; transition: width var(--transition), transform var(--transition);
  border-right: 1px solid var(--sidebar-border);
}
[data-sidebar="collapsed"] .sidebar { width: var(--sidebar-w-sm); }
.sidebar-brand { height: var(--header-h); display: flex; align-items: center; padding: 0 var(--sp-5); border-bottom: 1px solid var(--sidebar-border); flex: none; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--sidebar-text-strong); font-weight: 700; font-size: 1.1rem; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: var(--accent-contrast); display: grid; place-items: center; flex: none; }
.brand-mark svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.brand-text b { color: var(--accent); font-weight: 700; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: var(--sp-3) var(--sp-3) var(--sp-5); }
.nav-section { padding: var(--sp-4) var(--sp-3) var(--sp-2); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: #656b7a; white-space: nowrap; }
.nav-link, .nav-sub-link {
  display: flex; align-items: center; gap: 12px; width: 100%; padding: 9px var(--sp-3);
  border-radius: var(--radius-sm); color: var(--sidebar-text); font-size: var(--fs-sm); font-weight: 500;
  text-align: left; white-space: nowrap; transition: background var(--transition), color var(--transition);
}
.nav-link:hover, .nav-sub-link:hover { background: var(--sidebar-hover); color: var(--sidebar-text-strong); text-decoration: none; }
.nav-link.active, .nav-sub-link.active { background: var(--accent-soft); color: var(--accent); }
.nav-caret { margin-left: auto; transition: transform var(--transition); }
.nav-group.open > .nav-toggle .nav-caret { transform: rotate(180deg); }
.nav-sub { display: none; margin: 2px 0 var(--sp-1) 18px; padding-left: var(--sp-3); border-left: 1px solid var(--sidebar-border); }
.nav-group.open > .nav-sub { display: block; }
.nav-sub-link { padding: 7px var(--sp-3); }
.nav-pill { margin-left: auto; font-size: 10px; padding: 1px 7px; border-radius: var(--radius-full); background: var(--accent); color: var(--accent-contrast); font-weight: 700; }
.sidebar-foot { padding: var(--sp-3); border-top: 1px solid var(--sidebar-border); flex: none; }
.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 6px var(--sp-2); }
.sidebar-user .who { line-height: 1.25; min-width: 0; }
.sidebar-user .who b { display: block; color: var(--sidebar-text-strong); font-size: var(--fs-sm); }
.sidebar-user .who span { font-size: var(--fs-xs); }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(2, 8, 18, .55); z-index: 45; }

[data-sidebar="collapsed"] .nav-text,
[data-sidebar="collapsed"] .nav-caret,
[data-sidebar="collapsed"] .nav-pill,
[data-sidebar="collapsed"] .nav-section,
[data-sidebar="collapsed"] .brand-text,
[data-sidebar="collapsed"] .sidebar-user .who,
[data-sidebar="collapsed"] .nav-sub { display: none !important; }
[data-sidebar="collapsed"] .nav-link { justify-content: center; }
[data-sidebar="collapsed"] .sidebar-brand { justify-content: center; padding: 0; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 30; height: var(--header-h);
  display: flex; align-items: center; gap: var(--sp-3); padding: 0 var(--sp-5);
  background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-search { position: relative; width: min(340px, 36vw); }
.header-search .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-faint); }
.header-search input { padding-left: 38px; background: var(--surface-2); border-color: transparent; }
.header-search kbd { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-size: 11px; color: var(--text-faint); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: var(--sp-1); }
.market-status { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-xs); color: var(--text-muted); padding: 0 var(--sp-3); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--up); box-shadow: 0 0 0 3px color-mix(in srgb, var(--up) 25%, transparent); }
.dot.off { background: var(--text-faint); box-shadow: none; }

/* Content */
.content { flex: 1; padding: var(--sp-5); }
.footer { padding: var(--sp-4) var(--sp-5); border-top: 1px solid var(--border); color: var(--text-faint); font-size: var(--fs-xs); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-2); }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: var(--fs-sm); color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb .current { color: var(--text); font-weight: 600; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: var(--sp-4); margin-bottom: var(--sp-5); }
.page-head p { margin: 4px 0 0; color: var(--text-muted); }

/* Grid */
.grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid > * { min-width: 0; }
.span-3 { grid-column: span 3; } .span-4 { grid-column: span 4; } .span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; } .span-7 { grid-column: span 7; } .span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; } .span-12 { grid-column: span 12; }
.stack { display: grid; gap: var(--sp-4); }
.split { display: grid; gap: var(--sp-4); grid-template-columns: 280px minmax(0, 1fr); align-items: start; }

/* Auth / error layout */
.auth-layout { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.auth-aside { --sidebar-text: #9aa0ae; --sidebar-text-strong: #e0e3eb; background: #0b0e14; color: var(--sidebar-text-strong); padding: var(--sp-6) 56px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.auth-aside::after { content: ""; position: absolute; width: 520px; height: 520px; right: -160px; bottom: -200px; border-radius: 50%; background: radial-gradient(circle, var(--accent-soft), transparent 70%); }
.auth-aside h2 { font-size: 2rem; max-width: 18ch; position: relative; z-index: 1; }
.auth-aside p { color: var(--sidebar-text); max-width: 42ch; position: relative; z-index: 1; }
.auth-main { display: grid; place-items: center; padding: var(--sp-5); }
.auth-card { width: min(420px, 100%); }
.auth-card h1 { font-size: 1.6rem; margin-bottom: 6px; }
.centered-page { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: var(--sp-5); }
.error-code { font-size: clamp(5rem, 16vw, 9rem); font-weight: 800; line-height: 1; letter-spacing: -.04em; color: var(--accent); font-family: var(--font-mono); }