:root {
  --bg: #07131a;
  --bg-deep: #03080d;
  --panel: rgba(8, 16, 24, 0.76);
  --panel-alt: rgba(15, 28, 39, 0.72);
  --line: rgba(159, 196, 210, 0.18);
  --text: #edf8f5;
  --muted: #8ea7af;
  --accent: #f0b34d;
  --accent-2: #71d2bf;
  --accent-3: #e0627a;
  --danger: #ff8170;
  --cell: 152px;
  --gap: 14px;
  --radius: 24px;
  --shadow: 0 24px 72px rgba(0, 0, 0, 0.35);
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 12% 18%, rgba(240, 179, 77, 0.18), transparent 34%),
    radial-gradient(circle at 84% 10%, rgba(113, 210, 191, 0.14), transparent 28%),
    radial-gradient(circle at 50% 88%, rgba(224, 98, 122, 0.14), transparent 36%),
    linear-gradient(135deg, #07131a 0%, #03080d 48%, #09131a 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mix-blend-mode: soft-light;
  pointer-events: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
}

p {
  margin: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
.choice-button {
  border: 1px solid rgba(240, 179, 77, 0.28);
  background: linear-gradient(135deg, rgba(240, 179, 77, 0.12), rgba(113, 210, 191, 0.1));
  color: var(--text);
  border-radius: 999px;
  padding: 0.72rem 1.05rem;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

button:hover,
.choice-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  border-color: rgba(240, 179, 77, 0.42);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

input,
textarea,
select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(4, 10, 16, 0.78);
  color: var(--text);
  padding: 0.82rem 0.9rem;
}

textarea {
  resize: vertical;
}

label {
  display: grid;
  gap: 0.42rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.eyebrow {
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lede {
  max-width: 74ch;
  margin-top: 0.7rem;
  color: var(--muted);
  line-height: 1.55;
}

#heatfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.topbar {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 1.4rem;
  padding: 2.2rem 2.4rem 1rem;
}

.topbar__brand h1 {
  font-size: clamp(2.4rem, 4vw, 4.6rem);
  line-height: 0.98;
}

.topbar__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  align-self: start;
}

.status-chip {
  padding: 1rem 1.1rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(8, 14, 22, 0.68);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.status-chip span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.status-chip strong {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.shell {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.8fr);
  gap: 1.2rem;
  padding: 0 2.4rem 2.6rem;
}

.dashboard {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr) minmax(0, 0.8fr);
  gap: 1.2rem;
}

.rail {
  display: grid;
  gap: 1.2rem;
  align-content: start;
}

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(19, 35, 46, 0.76), rgba(7, 14, 21, 0.88)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  padding: 1.2rem;
}

.panel::after {
  content: "";
  position: absolute;
  inset: auto -18% -56% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 179, 77, 0.1), transparent 65%);
  pointer-events: none;
}

.panel--wide {
  min-height: 420px;
}

.panel__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.toolbar--split {
  justify-content: space-between;
}

.stack-form {
  display: grid;
  gap: 0.92rem;
}

.inline-form {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.inline-form input,
.inline-form select {
  min-width: 0;
}

.grid-fields {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.board-stage {
  position: relative;
  min-height: 820px;
  border-radius: calc(var(--radius) - 8px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(90deg, rgba(113, 210, 191, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(113, 210, 191, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(4, 10, 16, 0.92), rgba(9, 20, 28, 0.92));
  background-size: calc(var(--cell) + var(--gap)) calc(var(--cell) + var(--gap));
  overflow: hidden;
}

.board-grid {
  position: relative;
  width: 100%;
  min-height: 820px;
}

.story-card {
  position: absolute;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.7rem;
  padding: 0.8rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(160deg, rgba(18, 33, 42, 0.94), rgba(8, 15, 22, 0.9));
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  user-select: none;
}

.story-card.is-selected {
  border-color: rgba(240, 179, 77, 0.55);
  box-shadow: 0 24px 58px rgba(240, 179, 77, 0.12);
}

.story-card__grip {
  justify-self: start;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: grab;
}

.story-card__body {
  display: grid;
  gap: 0.56rem;
  align-content: start;
}

.story-card__body h3 {
  font-size: 1.18rem;
}

.story-card__subtitle {
  color: var(--accent-2);
  font-size: 0.88rem;
}

.story-card__abstract,
.story-card__content,
.story-card__tags {
  color: var(--muted);
  line-height: 1.45;
  font-size: 0.93rem;
}

.story-card__metric {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--accent);
}

.story-card__media {
  width: 100%;
  min-height: 120px;
  max-height: 220px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.timeline-panel {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.timeline-panel__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.timeline {
  display: grid;
  gap: 0.74rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 0.88rem 0.92rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(6, 12, 18, 0.6);
}

.timeline-item__phase {
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  width: max-content;
  color: var(--accent);
  background: rgba(240, 179, 77, 0.08);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.demo-users {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.demo-users button {
  padding: 0.54rem 0.85rem;
}

.slider-cluster {
  display: grid;
  gap: 0.8rem;
}

.slider-row {
  display: grid;
  gap: 0.4rem;
}

.slider-row__head {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  color: var(--muted);
}

.slider-row input[type="range"] {
  padding: 0;
  height: 12px;
  border-radius: 999px;
}

.result-card,
.download-panel {
  display: grid;
  gap: 0.55rem;
  padding: 0.9rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 10, 15, 0.52);
}

.microcopy {
  color: var(--muted);
  line-height: 1.45;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.trial-metrics {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.trial-metric {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.kpi {
  padding: 0.95rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 10, 15, 0.58);
}

.kpi span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.kpi strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.5rem;
  font-family: var(--font-display);
}

.data-canvas,
.graph-canvas {
  width: 100%;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(3, 6, 10, 0.72);
}

.workspace-roots,
.workspace-recommendations {
  display: grid;
  gap: 0.7rem;
}

.root-card {
  padding: 0.9rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 10, 15, 0.56);
}

.root-card__meta,
.root-card__excerpt {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.root-card code,
.download-panel code {
  font-family: var(--font-mono);
  color: var(--accent-2);
}

.download-panel a {
  color: var(--accent);
}

@media (max-width: 1260px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .dashboard {
    grid-template-columns: 1fr;
  }

  .rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .topbar {
    grid-template-columns: 1fr;
    padding: 1.6rem 1rem 0.75rem;
  }

  .topbar__meta {
    grid-template-columns: 1fr;
  }

  .shell {
    padding: 0 1rem 1.4rem;
  }

  .rail {
    grid-template-columns: 1fr;
  }

  .timeline-panel__head,
  .panel__header {
    flex-direction: column;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-fields,
  .choice-grid {
    grid-template-columns: 1fr 1fr;
  }
}