/* AlgoTree Aurora — global platform skin (2026) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --at-bg: #020408;
  --at-bg-2: #0a0f1a;
  --at-surface: rgba(12, 18, 32, 0.82);
  --at-glass: rgba(14, 22, 40, 0.72);
  --at-border: rgba(99, 179, 237, 0.22);
  --at-border-hot: rgba(236, 72, 153, 0.55);
  --at-text: #f1f5f9;
  --at-muted: #8ba3c7;
  --at-blue: #38bdf8;
  --at-pink: #f472b6;
  --at-violet: #a78bfa;
  --at-green: #34d399;
  --at-font: 'Outfit', system-ui, sans-serif;
  --at-mono: 'JetBrains Mono', monospace;
  --at-cut: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

*, *::before, *::after { box-sizing: border-box; }

body.at-aurora {
  font-family: var(--at-font);
  background: var(--at-bg);
  color: var(--at-text);
  min-height: 100vh;
  overflow-x: hidden;
}

body.at-aurora::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 8% 0%, rgba(56, 189, 248, 0.16), transparent 55%),
    radial-gradient(ellipse 50% 40% at 95% 15%, rgba(244, 114, 182, 0.14), transparent 50%),
    radial-gradient(ellipse 45% 35% at 50% 100%, rgba(167, 139, 250, 0.1), transparent 45%),
    var(--at-bg);
  animation: at-aurora-shift 18s ease-in-out infinite alternate;
}

body.at-aurora::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 35%, black 20%, transparent 75%);
}

@keyframes at-aurora-shift {
  0% { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(12deg) brightness(1.08); }
}

.at-app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

/* ── Left rail navigation ── */
.at-rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.1rem 0.85rem;
  background: linear-gradient(180deg, rgba(6, 10, 22, 0.98), rgba(2, 4, 8, 0.96));
  border-right: 1px solid var(--at-border);
  box-shadow: 8px 0 48px rgba(0, 0, 0, 0.45), inset -1px 0 0 rgba(56, 189, 248, 0.08);
}

.at-rail-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.25rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.at-rail-brand img {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 0 20px rgba(56, 189, 248, 0.35));
}

.at-rail-brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.at-rail-brand-text strong {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--at-blue), var(--at-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.at-rail-brand-text span {
  font-size: 0.62rem;
  color: var(--at-muted);
  letter-spacing: 0.04em;
}

.at-rail-label {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--at-muted);
  padding: 0 0.35rem;
}

.at-rail .module-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.at-rail .module-btn {
  width: 100%;
  text-align: left;
  padding: 0.72rem 0.85rem;
  border-radius: 0;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.25);
  color: var(--at-muted);
  font-family: var(--at-font);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.2s;
}

.at-rail .module-btn:hover {
  color: var(--at-text);
  border-color: var(--at-border);
  background: rgba(56, 189, 248, 0.06);
}

.at-rail .module-btn.active {
  color: #fff;
  border-color: rgba(56, 189, 248, 0.5);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.22), rgba(244, 114, 182, 0.12));
  box-shadow: 0 0 28px rgba(56, 189, 248, 0.15), inset 0 0 20px rgba(56, 189, 248, 0.06);
}

.at-rail-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.at-rail .platform-mode-nav {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.at-rail .mode-btn {
  width: 100%;
  padding: 0.55rem 0.7rem;
  font-size: 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.3);
  color: var(--at-muted);
  cursor: pointer;
  font-family: var(--at-font);
}

.at-rail .mode-btn.active {
  color: var(--at-violet);
  border-color: rgba(167, 139, 250, 0.45);
  background: rgba(167, 139, 250, 0.1);
}

.at-rail-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.72rem;
}

.at-rail-links a {
  color: var(--at-muted);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
}

.at-rail-links a:hover { color: var(--at-blue); }

/* ── Main stage ── */
.at-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.at-top-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1.25rem;
  border-bottom: 1px solid var(--at-border);
  background: rgba(4, 8, 16, 0.75);
  backdrop-filter: blur(12px);
}

.at-top-strip .hero-strip-msg {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--at-muted);
  margin: 0;
}

.at-top-strip .hero-strip-msg strong {
  color: var(--at-blue);
  font-weight: 700;
}

.at-top-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.at-top-actions .engine-pill {
  border: 1px solid var(--at-border);
  background: rgba(56, 189, 248, 0.08);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
}

.at-top-actions .engine-pill-val {
  color: var(--at-green);
  font-family: var(--at-mono);
  font-weight: 600;
}

/* Hide old header / hero / tier */
body.at-aurora .platform-header,
body.at-aurora .platform-hero-strip,
body.at-aurora .tier-nav { display: none !important; }

/* Workspace command strip — layout in trader-desk.css */
body.at-aurora .workspace-bar {
  margin: 0.75rem 1.25rem 0;
  padding: 0.65rem 0.85rem;
  background: var(--at-glass);
  border: 1px solid var(--at-border);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(56, 189, 248, 0.06) inset;
  border-radius: 10px;
  position: relative;
  clip-path: none;
}

body.at-aurora .ws-label {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--at-muted);
}

body.at-aurora .ws-field select,
body.at-aurora .ws-field input {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(56, 189, 248, 0.15);
  color: var(--at-text);
  font-family: var(--at-mono);
  font-size: 0.75rem;
  border-radius: 0;
}

body.at-aurora .ws-field select:focus,
body.at-aurora .ws-field input:focus {
  outline: none;
  border-color: var(--at-blue);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

body.at-aurora .ws-tier,
body.at-aurora .tier-badge {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(244, 114, 182, 0.15));
  border: 1px solid var(--at-border-hot);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.58rem;
}

body.at-aurora .platform-shell {
  padding: 0.85rem 1.25rem 2rem;
}

/* Panels */
body.at-aurora .panel-card {
  background: var(--at-surface);
  border: 1px solid var(--at-border);
  clip-path: var(--at-cut);
  border-radius: 0;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
}

body.at-aurora .module-head h1 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #fff, var(--at-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body.at-aurora .module-head p {
  color: var(--at-muted);
}

/* Filter pills */
body.at-aurora .filter-btn {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.35);
  color: var(--at-muted);
  font-weight: 600;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

body.at-aurora .filter-btn.active {
  color: #fff;
  border-color: rgba(56, 189, 248, 0.5);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(167, 139, 250, 0.15));
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.12);
}

/* Buttons — high visibility */
body.at-aurora .btn {
  font-family: var(--at-font);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.68rem;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  border-radius: 0;
}

body.at-aurora .btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  border: 1px solid rgba(56, 189, 248, 0.6);
  color: #fff;
  box-shadow: 0 0 32px rgba(14, 165, 233, 0.35);
}

body.at-aurora .btn-primary:hover {
  box-shadow: 0 0 40px rgba(14, 165, 233, 0.5);
  transform: translateY(-1px);
}

body.at-aurora .btn-accent {
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.25), rgba(167, 139, 250, 0.2));
  border: 1px solid rgba(244, 114, 182, 0.45);
  color: #fff;
}

/* Studio grid */
body.at-aurora .at-studio-grid {
  display: grid;
  grid-template-columns: minmax(200px, 240px) minmax(0, 1fr) minmax(280px, 320px);
  gap: 0.85rem;
  min-height: calc(100vh - 220px);
}

body.at-aurora .at-algo-rail {
  padding: 0.85rem;
  overflow: hidden;
}

body.at-aurora .at-algo-rail-title {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--at-blue);
  margin-bottom: 0.65rem;
}

body.at-aurora .at-algo-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: calc(100vh - 280px);
  overflow-y: auto;
}

body.at-aurora .at-algo-list .algo-card {
  padding: 0.7rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-left: 3px solid transparent;
  background: rgba(0, 0, 0, 0.35);
  cursor: pointer;
  transition: all 0.18s;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

body.at-aurora .at-algo-list .algo-card:hover {
  border-color: var(--at-border);
  transform: translateX(4px);
}

body.at-aurora .at-algo-list .algo-card.selected {
  border-left-color: var(--at-pink);
  border-color: rgba(244, 114, 182, 0.4);
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.12), rgba(56, 189, 248, 0.06));
  box-shadow: 0 0 24px rgba(244, 114, 182, 0.1);
}

body.at-aurora .at-algo-list .algo-card h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
}

body.at-aurora .at-algo-list .algo-card .regime {
  font-family: var(--at-mono);
  font-size: 0.6rem;
  color: var(--at-violet);
}

body.at-aurora .at-algo-list .algo-card .desc {
  font-size: 0.68rem;
  color: var(--at-muted);
}

/* Algo detail command panel */
body.at-aurora .at-algo-command {
  padding: 1rem 1.15rem;
  overflow-y: auto;
}

body.at-aurora .at-algo-command h2 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
  color: #fff;
}

body.at-aurora .at-algo-command .at-desc {
  color: var(--at-muted);
  font-size: 0.82rem;
  line-height: 1.55;
  margin-bottom: 0.85rem;
}

body.at-aurora .at-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

body.at-aurora .at-badge-row .badge {
  font-family: var(--at-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  border: 1px solid var(--at-border);
  background: rgba(0, 0, 0, 0.3);
}

body.at-aurora .param-preview-editable {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.5rem;
  margin: 0.85rem 0;
}

body.at-aurora .param-preview-field span {
  font-family: var(--at-mono);
  font-size: 0.58rem;
  color: var(--at-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

body.at-aurora .param-preview-field input {
  width: 100%;
  padding: 0.4rem;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(56, 189, 248, 0.15);
  color: var(--at-text);
  font-family: var(--at-mono);
}

body.at-aurora .at-workspace-rail .studio-workspace-title {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--at-pink);
}

/* Backtest lab */
body.at-aurora .bt-simple-panel {
  border: 1px solid var(--at-border);
  clip-path: var(--at-cut);
}

body.at-aurora .bt-simple-num {
  background: linear-gradient(135deg, var(--at-blue), var(--at-violet));
  color: #fff;
  font-weight: 800;
}

body.at-aurora .sub-tab.active {
  color: var(--at-blue);
  border-bottom-color: var(--at-pink);
}

body.at-aurora .loading {
  background: rgba(2, 4, 8, 0.85);
  backdrop-filter: blur(8px);
}

body.at-aurora .spinner {
  border-top-color: var(--at-pink);
  border-right-color: var(--at-blue);
}

/* Hide advanced-only remnants */
body.at-aurora #studio-filters-advanced,
body.at-aurora #advanced-fidelity-banner-bt { display: none !important; }

@media (max-width: 1100px) {
  .at-app { grid-template-columns: 1fr; }
  .at-rail {
    position: relative;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
  .at-rail .module-nav { flex-direction: row; flex-wrap: wrap; }
  body.at-aurora .at-studio-grid {
    grid-template-columns: 1fr;
  }
}