:root {
  color-scheme: light;
  --ink: #1f2437;
  --muted: #5d647a;
  --paper: #f3f4f8;
  --paper-deep: #e6e8f1;
  --accent: #d37a2f;
  --accent-strong: #b86622;
  --accent-cool: #2f6fb2;
  --card: #ffffff;
  --border: #d2d7e7;
  --shadow: 0 18px 45px rgba(29, 33, 57, 0.12);
  --navy: #2f335e;
  --navy-deep: #1d2144;
  --navy-soft: #3f4575;
  --radius: 20px;
  --radius-sm: 12px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco,
    Consolas, "Liberation Mono", "Courier New", monospace;
}

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Plus+Jakarta+Sans:wght@300;400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap");

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(47, 51, 94, 0.22), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(47, 111, 178, 0.18), transparent 45%),
    linear-gradient(135deg, var(--paper) 0%, var(--paper-deep) 100%);
  min-height: 100vh;
}

.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: rise 0.6s ease-out;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1,
h2 {
  font-family: var(--font-display);
  margin: 0;
}

h1 {
  font-size: clamp(2.3rem, 2.6vw, 3rem);
  letter-spacing: -0.02em;
}

.hero-title {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

h2 {
  font-size: 1.3rem;
}

p {
  margin: 0;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 32px 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--navy-deep), #273263 55%, #23406f);
  color: #f7f8ff;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-kicker {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.7);
}

.hero-icon {
  font-size: 2.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.hero-sub {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.5;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.15), transparent 35%),
    radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.08), transparent 40%);
  opacity: 0.8;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--accent);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 6px;
}

.muted {
  color: var(--muted);
}

.workspace {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.workspace-id {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 20px;
}

.upload-card {
  min-height: 220px;
  position: relative;
  overflow: hidden;
}

.upload-card.is-collapsed .upload-drop {
  min-height: 140px;
  opacity: 0.35;
  filter: grayscale(0.6);
  pointer-events: none;
}

.upload-state {
  position: absolute;
  inset: 18px;
  border-radius: var(--radius-sm);
  background: rgba(47, 51, 94, 0.08);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  padding: 18px 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.upload-card.is-collapsed .upload-state {
  opacity: 1;
}

.upload-drop {
  border: 2px dashed rgba(47, 51, 94, 0.25);
  border-radius: var(--radius-sm);
  padding: 28px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: border-color 0.2s ease, background 0.2s ease;
  background: rgba(255, 255, 255, 0.6);
}

.upload-drop.is-dragover {
  border-color: var(--accent);
  background: rgba(211, 122, 47, 0.08);
}

.upload-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: 8px;
}

.upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.list-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.samples {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.samples-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.samples-actions {
  display: flex;
  align-items: flex-end;
}

.samples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.samples-group {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.samples-group h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
}

.samples-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sample-btn {
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
  background: rgba(47, 51, 94, 0.12);
  color: var(--ink);
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.sample-btn:hover {
  border-color: var(--accent);
  background: rgba(211, 122, 47, 0.12);
}

.sample-btn.is-selected {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.list-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.doc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 300px;
  overflow-y: auto;
}

.pdf-preview {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--navy);
  color: #f6f7ff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.85rem;
  width: fit-content;
}

.button-link[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

.doc-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  flex-direction: column;
  gap: 6px;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.doc-title {
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  background: rgba(47, 111, 178, 0.15);
  color: var(--accent-cool);
}

.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

button {
  font-family: var(--font-display);
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 25px rgba(211, 122, 47, 0.3);
}

.primary:hover:not(:disabled) {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

.secondary {
  background: var(--navy);
  color: #f6f7ff;
  box-shadow: 0 10px 20px rgba(47, 51, 94, 0.2);
}

.secondary:hover:not(:disabled) {
  background: var(--navy-soft);
  transform: translateY(-1px);
}

.ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid rgba(47, 51, 94, 0.25);
  padding: 8px 16px;
  font-size: 0.85rem;
}

.ghost:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.status {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-text {
  font-size: 1rem;
}

.status-text.success {
  color: var(--accent-cool);
}

.status-text.error {
  color: var(--accent-strong);
}

.spinner {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 3px solid rgba(47, 51, 94, 0.2);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
  display: none;
}

.spinner.active {
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.status-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-step {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-step.active {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: linear-gradient(
    120deg,
    rgba(211, 122, 47, 0.3),
    rgba(211, 122, 47, 0.08)
  );
  box-shadow: 0 10px 18px rgba(211, 122, 47, 0.25);
  animation: pulseGlow 1.4s ease-in-out infinite;
}

.status-step.done {
  border-color: rgba(47, 111, 178, 0.4);
  color: var(--accent-cool);
  background: rgba(47, 111, 178, 0.12);
}

.status-step.error {
  border-color: rgba(235, 82, 48, 0.4);
  color: var(--accent-strong);
  background: rgba(235, 82, 48, 0.1);
}

@keyframes pulseGlow {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: 0 10px 18px rgba(211, 122, 47, 0.25);
  }
  50% {
    transform: translateY(-1px);
    box-shadow: 0 16px 24px rgba(211, 122, 47, 0.35);
  }
}

.overview {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.overview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}

.metric {
  padding: 18px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px rgba(27, 27, 31, 0.1);
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.metric-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.metric-sub {
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 700px) {
  .overview-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .samples-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .samples-actions {
    align-items: flex-start;
  }
}

.tower-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 20px;
  align-items: start;
}

.tower-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.count-pill {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
}

.snapshot {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.snapshot-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.snapshot-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 180px;
}

.snapshot-controls select {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.8);
  font-family: var(--font-body);
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.snapshot-card {
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 14px;
  background: rgba(255, 255, 255, 0.75);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.snapshot-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.status-pill {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(31, 156, 137, 0.12);
  color: var(--accent-cool);
}

.status-pill.needs-review {
  background: rgba(235, 82, 48, 0.12);
  color: var(--accent-strong);
}

.kv-list {
  margin: 0;
  display: grid;
  gap: 8px;
}

.kv-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(0, 1.2fr);
  gap: 8px;
  align-items: baseline;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 10px;
  transition: background 0.2s ease;
}

.kv-row:hover {
  background: rgba(255, 255, 255, 0.8);
}

.kv-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kv-value.missing {
  color: var(--muted);
  font-style: italic;
}

.timeline-list,
.ops-list,
.risk-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ops.card,
.risk.card {
  min-height: 600px;
  height: 600px;
  display: flex;
  flex-direction: column;
}

.timeline-list {
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

.ops-list,
.risk-list {
  flex: 1;
  max-height: none;
  overflow-y: auto;
  padding-right: 4px;
}

.timeline-item,
.ops-item,
.risk-item {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.timeline-item:hover,
.ops-item:hover,
.risk-item:hover {
  border-color: rgba(255, 107, 74, 0.5);
  box-shadow: 0 12px 22px rgba(27, 27, 31, 0.08);
}

.timeline-item.selected,
.ops-item.selected,
.risk-item.selected,
.kv-row.selected {
  background: rgba(255, 107, 74, 0.12);
}

.timeline-item.next {
  border-color: rgba(31, 156, 137, 0.6);
  box-shadow: 0 16px 24px rgba(31, 156, 137, 0.2);
}

.timeline-date {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.timeline-tag {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.timeline-item.next .timeline-tag {
  color: var(--accent-cool);
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(27, 27, 31, 0.1);
  color: var(--ink);
}

.pill.highlight {
  background: rgba(31, 156, 137, 0.15);
  color: var(--accent-cool);
}

.pill.warning {
  background: rgba(235, 82, 48, 0.12);
  color: var(--accent-strong);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.8rem;
}

.risk-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.insight-title {
  font-weight: 600;
}

.insight-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .risk-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

.severity-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(31, 156, 137, 0.15);
  color: var(--accent-cool);
}

.severity-badge.high {
  background: rgba(235, 82, 48, 0.15);
  color: var(--accent-strong);
}

.explain {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 140px);
  overflow: auto;
}

.explain-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.explain-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.snippet {
  background: rgba(27, 27, 31, 0.06);
  border-radius: 14px;
  padding: 16px;
  white-space: pre-wrap;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
}

.explain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.explain-text {
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 980px) {
  .tower-layout {
    grid-template-columns: 1fr;
  }

  .ops.card,
  .risk.card {
    height: auto;
  }

  .explain {
    position: static;
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .workspace {
    flex-direction: column;
    align-items: flex-start;
  }
}