:root {
  --bg: #050608;
  --panel: rgba(9, 11, 14, 0.98);
  --panel-2: rgba(6, 8, 10, 0.99);
  --line: #262a31;
  --line-strong: #3a2c12;
  --text: #d8dde6;
  --muted: #9aa3af;
  --accent: #ffb000;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.34);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: linear-gradient(180deg, #060709 0%, #040506 100%);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}
body.access-locked {
  overflow: hidden;
}
.access-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(3, 4, 6, 0.92);
  backdrop-filter: blur(8px);
}
.access-overlay.hidden {
  display: none;
}
.access-card {
  width: min(100%, 520px);
  background: linear-gradient(180deg, rgba(9, 11, 14, 0.98), rgba(6, 8, 10, 0.99));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.access-title {
  margin: 0 0 10px;
  font-size: clamp(28px, 5vw, 42px);
  line-height: .95;
  letter-spacing: -.04em;
}
.access-copy {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.6;
}
.access-btn {
  width: 100%;
  margin-top: 10px;
}
.access-status {
  margin-top: 14px;
  min-height: 20px;
}
.shell {
  max-width: 1620px;
  margin: 0 auto;
  padding: 16px 18px 24px;
}
.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.hero, .main { padding: 20px 24px; }
.hero { margin-bottom: 14px; }
.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.hero-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 0;
}
.brand-copy {
  min-width: 0;
  padding-top: 0px;
}
.brand-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: 11px;
  font-weight: 700;
  font-family: "IBM Plex Mono", monospace;
  margin-bottom: 6px;
}
.session-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 4px;
  background: rgba(255,255,255,.03);
  min-height: 34px;
}
.session-label {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.session-email {
  color: var(--text);
  font-size: 13px;
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-link {
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}
.session-link:hover {
  text-decoration: underline;
}
.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lang-link {
  color: var(--muted);
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 6px 8px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 4px;
}
.lang-link.active {
  color: #111;
  background: var(--accent);
  border-color: var(--accent);
}
h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: .95;
  letter-spacing: -.04em;
}
.hero-copy {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 880px;
}
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}
.field input, .field select {
  width: 100%;
  background: #0a1118;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  font: inherit;
  outline: none;
}
.date-builder {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.preset-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  flex-wrap: wrap;
}
.preset-btn {
  border: 1px solid rgba(255,176,0,.22);
  background: rgba(255,176,0,.05);
  color: #ffd166;
  border-radius: 4px;
  padding: 8px 10px;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.preset-btn:hover {
  background: rgba(255,176,0,.12);
}
.preset-btn.active {
  background: rgba(255,176,0,.22);
  border-color: rgba(255,176,0,.58);
  color: #ffe29a;
}
.field input:focus, .field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(255,176,0,.28);
}
.assumption-box {
  padding: 12px 14px;
  border: 1px solid rgba(255,176,0,.14);
  border-radius: 6px;
  background: rgba(255,176,0,.03);
  color: var(--muted);
  line-height: 1.6;
  font-size: 13px;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.btn {
  border: 0;
  border-radius: 4px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(180deg, #ffbf2f, #e19a00);
  color: #111;
}
.tabs {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin: 18px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.tab {
  background: transparent;
  border: 0;
  padding: 6px 0 10px;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  font-family: "IBM Plex Mono", monospace;
  position: relative;
}
.tab.active { color: var(--text); }
.tab.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -11px;
  height: 2px;
  background: var(--accent);
}
.panel { display: none; }
.panel.active { display: block; }
.panel-title { margin: 0 0 12px; }
.status {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  min-height: 20px;
}
.copy-block {
  color: var(--muted);
  line-height: 1.7;
  max-width: 980px;
}
.copy-block h3 {
  color: var(--text);
  margin: 24px 0 10px;
}
.copy-block p,
.copy-block ul {
  margin: 0 0 12px;
}
.copy-block code {
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255,176,0,.08);
  border: 1px solid rgba(255,176,0,.14);
  color: #ffd166;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}
.copy-block ul { padding-left: 18px; }
.copy-block .model-label {
  display: inline-block;
  margin: 8px 0 4px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(255,176,0,.1);
  border: 1px solid rgba(255,176,0,.18);
  color: #ffd166;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 700;
}
.formula-block {
  margin: 8px 0 18px;
  padding: 12px 14px;
  border: 1px solid rgba(255,176,0,.14);
  border-radius: 6px;
  background: rgba(255,176,0,.03);
}
.formula-render {
  margin: 4px 0 8px;
  padding: 14px 16px;
  border: 1px solid rgba(255,176,0,.22);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,176,0,.06), rgba(255,176,0,.02));
  overflow-x: auto;
}
.formula-render .katex-display {
  margin: 0;
  color: #ffe29a;
}
.formula-title {
  margin-bottom: 8px;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.formula-block code {
  display: block;
  line-height: 1.7;
  white-space: normal;
}
.paper-shell {
  padding: 4px 0;
}
.paper-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.paper-content {
  max-width: 1100px;
}
.paper-content h1,
.paper-content h2,
.paper-content h3,
.paper-content h4 {
  color: var(--text);
  margin: 24px 0 12px;
}
.paper-content h1 {
  font-size: 30px;
}
.paper-content h2 {
  font-size: 24px;
}
.paper-content h3 {
  font-size: 19px;
}
.paper-content h4 {
  font-size: 16px;
}
.paper-content p,
.paper-content ul,
.paper-content ol,
.paper-content pre {
  margin: 0 0 14px;
}
.paper-content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 22px 0;
}
.paper-content ul,
.paper-content ol {
  padding-left: 20px;
}
.paper-content pre {
  padding: 14px 16px;
  border: 1px solid rgba(255,176,0,.14);
  border-radius: 6px;
  background: rgba(255,176,0,.03);
  overflow: auto;
}
.paper-content pre.paper-equation {
  padding: 18px 20px;
  border: 1px solid rgba(255,176,0,.28);
  background: linear-gradient(180deg, rgba(255,176,0,.06), rgba(255,176,0,.02));
  box-shadow: inset 0 0 0 1px rgba(255,176,0,.06);
}
.paper-content .paper-math {
  margin: 14px 0 18px;
  padding: 20px 22px;
  border: 1px solid rgba(255,176,0,.28);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,176,0,.06), rgba(255,176,0,.02));
  box-shadow: inset 0 0 0 1px rgba(255,176,0,.06);
  overflow-x: auto;
}
.paper-content .paper-math .katex-display {
  margin: 0;
  color: #ffe29a;
}
.paper-content pre code {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  color: #ffd166;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  line-height: 1.8;
  white-space: pre;
}
.paper-content pre.paper-equation code {
  color: #ffe29a;
}
.paper-content a {
  color: #8ec5ff;
}
.data-toolbar {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.data-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.mini-field {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}
.mini-field select {
  min-width: 140px;
}
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 6px;
  background: #0a1118;
  min-height: 56px;
}
.chip-grid.compact {
  min-height: 48px;
  margin-top: 10px;
}
.chip {
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid #50401c;
  background: rgba(255,176,0,.04);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
}
.chip.active {
  background: rgba(255,176,0,.18);
  color: #ffd166;
  border-color: rgba(255,176,0,.52);
}
.table-wrap {
  overflow: auto;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 6px;
  background: #0a0f14;
}
.download-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  margin: 12px 0 14px;
}
.hidden-download {
  visibility: hidden;
}
.model-layout {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-top: 14px;
}
.model-sidebar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 6px;
  background: #090c11;
}
.model-status {
  margin-top: 6px;
}
.model-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.chart-panel {
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 6px;
  background: #090c11;
  padding: 12px;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}
th, td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  text-align: left;
  font-size: 13px;
}
th {
  color: var(--muted);
  font-weight: 700;
  background: #11161d;
  position: sticky;
  top: 0;
}
.chart-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
}
.chart-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.chart-toolbar .chart-title {
  margin: 0;
}
.chart {
  width: 100%;
  height: 430px;
  border-radius: 6px;
  overflow: hidden;
  background: #090b0d;
}
@media (max-width: 1080px) {
  .split, .model-layout, .model-charts { grid-template-columns: 1fr; }
  .chart { height: 420px; }
  .hero-topline { align-items: flex-start; flex-direction: column; }
  .hero-actions { justify-content: flex-start; }
  .date-builder { grid-template-columns: 1fr; }
}