:root {
  color-scheme: dark;
  --bg: #0a0f1a;
  --bg-2: #0f1726;
  --panel: #121c2c;
  --panel-soft: #162235;
  --panel-soft-2: #1a2940;
  --line: rgba(137, 173, 255, 0.16);
  --line-strong: rgba(111, 163, 255, 0.28);
  --text: #edf4ff;
  --muted: #9aa9c2;
  --accent: #5b8cff;
  --accent-strong: #78a4ff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --danger: #ff7f90;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: 160ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(91, 140, 255, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(91, 140, 255, 0.08), transparent 24%),
    linear-gradient(180deg, #0a0f1a 0%, #0b1220 100%);
  color: var(--text);
  line-height: 1.5;
}

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

button {
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background: linear-gradient(180deg, var(--accent-strong), var(--accent));
  color: #f8fbff;
  font-weight: 700;
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    color var(--transition);
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.14);
}

button.secondary {
  background: #172337;
  color: var(--text);
  border-color: var(--line);
  box-shadow: none;
}

button.ghost {
  background: rgba(255, 255, 255, 0.01);
  color: var(--muted);
  border-color: var(--line);
  box-shadow: none;
}

button.small {
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
}

button.secondary:hover,
button.secondary:focus-visible,
button.ghost:hover,
button.ghost:focus-visible {
  border-color: var(--line-strong);
  background: #1a2740;
}

input,
textarea,
select {
  width: 100%;
  background: #0f1726;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.16);
}

textarea {
  resize: vertical;
}

a {
  color: inherit;
  text-decoration: none;
}

.hidden {
  display: none !important;
}

.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding: 1rem 0 0.5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 0.96;
}

.subtitle {
  max-width: 58rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.hero-badge {
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #111b2d;
  color: var(--text);
  box-shadow: var(--shadow);
}

.layout {
  display: grid;
  gap: 1.5rem;
}

.value-grid,
.feature-columns,
.chip-grid,
.template-grid,
.stats-grid,
.content-grid,
.list,
.checklist,
.runtime-grid,
.runtime-stats,
.player-detail-grid,
.inline-grid {
  display: grid;
  gap: 1rem;
}

.value-grid,
.template-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-columns {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  margin-top: 1rem;
}

.panel,
.subpanel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.5rem;
}

.panel-header h2,
.subpanel-header h3,
.toolbar h2,
.auth-card h3,
.sidebar-brand h2,
.dashboard-topbar h2 {
  margin: 0;
}

.panel-header p,
.subpanel-header p,
.toolbar p,
.auth-card p,
.sidebar-brand p,
.dashboard-topbar p {
  color: var(--muted);
  margin: 0.35rem 0 0;
}

.stack {
  display: grid;
  gap: 1rem;
}

.stack.compact {
  gap: 0.8rem;
}

label span,
.runtime-picker span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.auth-card,
.row,
.project-card,
.checklist-item,
.stat-card,
.feature-card,
.step-card,
.pipeline-card,
.template-card,
.runtime-card,
.topbar-card,
.sidebar-session {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--panel-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.auth-card:hover,
.row:hover,
.project-card:hover,
.checklist-item:hover,
.stat-card:hover,
.feature-card:hover,
.step-card:hover,
.pipeline-card:hover,
.template-card:hover,
.runtime-card:hover,
.topbar-card:hover,
.sidebar-session:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--panel-soft-2);
}

.step-card {
  grid-template-columns: auto 1fr;
  align-items: start;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text);
  font-weight: 700;
}

.steps-list {
  gap: 0.75rem;
}

.chip-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
}

.dashboard-panel {
  padding: 0;
  overflow: hidden;
}

.dashboard-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 75vh;
}

.dashboard-sidebar {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 1.25rem;
  padding: 1.5rem;
  background: #0f1726;
  border-right: 1px solid var(--line);
  position: sticky;
  top: 0;
  align-self: start;
}

.sidebar-brand h2 {
  font-size: 1.55rem;
}

.sidebar-session-label,
.topbar-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.sidebar-nav {
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.nav-item {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.75rem 0.9rem;
  border-radius: 14px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  width: 100%;
  background: transparent;
  text-align: left;
}

.nav-item:hover,
.nav-item:focus-visible,
.nav-item.is-active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: rgba(91, 140, 255, 0.2);
}

.nav-item:hover,
.nav-item:focus-visible {
  transform: translateX(2px);
}

.nav-item.is-active {
  box-shadow: inset 0 0 0 1px rgba(91, 140, 255, 0.14);
}

.sidebar-actions {
  display: grid;
  gap: 0.75rem;
}

.dashboard-main {
  padding: 1.5rem;
  display: grid;
  gap: 1.25rem;
  background: linear-gradient(180deg, rgba(18, 28, 44, 0.72), rgba(11, 18, 31, 0.9));
}

.dashboard-page {
  display: none;
}

body[data-mode="workspace"] .dashboard-page.is-active {
  display: block;
}

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

.page-runtime-grid {
  display: none;
}

.page-runtime-grid.is-active {
  display: grid;
}

.subpanel-sectionless {
  min-width: 0;
}

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

.access-key {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.access-value {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.access-note {
  color: var(--muted);
  line-height: 1.6;
}

.dashboard-topbar {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: 1rem;
  align-items: stretch;
}

.dashboard-topbar h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.05;
}

.section-anchor {
  scroll-margin-top: 1rem;
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.workspace-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.runtime-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.runtime-stats {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

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

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

.wide,
.runtime-wide,
.wide-column {
  grid-column: span 2;
}

.stat-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.7rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.subpanel {
  padding: 1.15rem;
}

.subpanel-header {
  margin-bottom: 0.9rem;
}

.compact-header {
  margin-bottom: 0.75rem;
}

.compact-header h4,
.detail-column h5,
.feature-column h3 {
  margin: 0;
}

.compact-header p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.runtime-toolbar,
.runtime-picker,
.runtime-list-actions,
.row-top,
.project-card-actions,
.form-actions,
.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.runtime-picker {
  flex: 1;
  align-items: end;
}

.runtime-list-actions,
.form-actions {
  justify-content: flex-start;
}

.runtime-picker select {
  min-width: min(100%, 380px);
}

.runtime-shell {
  overflow: hidden;
}

.runtime-meta,
.project-meta,
.results-meta {
  color: var(--muted);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.runtime-row,
.dense-row,
.dense-list,
.checklist {
  gap: 0.75rem;
}

.detail-column {
  min-width: 0;
}

.detail-column h5 {
  margin-bottom: 0.75rem;
}

.separated-form {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.json-editor,
.mono {
  font-family: "Cascadia Code", Consolas, monospace;
}

.json-editor {
  min-height: 260px;
}

.filters {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.single-button-filter {
  grid-template-columns: minmax(0, 1fr) auto;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: rgba(91, 140, 255, 0.12);
  color: var(--accent-strong);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tag-success {
  background: rgba(91, 140, 255, 0.22);
}

.checklist-item.is-done {
  border-color: rgba(91, 140, 255, 0.28);
}

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

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

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  max-width: min(28rem, calc(100vw - 2rem));
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: rgba(10, 16, 28, 0.97);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

body[data-mode="workspace"] .hero,
body[data-mode="workspace"] #auth-panel,
body[data-mode="workspace"] #marketing-panel {
  display: none;
}

body[data-mode="workspace"] .shell {
  max-width: none;
  padding: 1rem;
}

@media (max-width: 1100px) {
  .dashboard-shell,
  .dashboard-topbar,
  .auth-grid,
  .workspace-grid,
  .runtime-grid,
  .access-grid,
  .player-detail-grid,
  .value-grid,
  .feature-columns,
  .template-grid,
  .filters,
  .single-button-filter,
  .chip-grid,
  .inline-grid.two-up {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .wide,
  .runtime-wide,
  .wide-column {
    grid-column: span 1;
  }
}

@media (max-width: 960px) {
  .shell {
    padding: 1rem;
  }

  .hero,
  .runtime-toolbar,
  .runtime-picker,
  .runtime-list-actions,
  .row-top,
  .project-card-actions,
  .form-actions,
  .project-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .dashboard-main {
    padding: 1rem;
  }
}