:root {
  color-scheme: dark;
  --bg: #07090d;
  --panel: #10141c;
  --panel-2: #151b25;
  --line: #283244;
  --text: #f4f7fb;
  --muted: #8d98aa;
  --accent: #2f6bff;
  --accent-2: #49d2c2;
  --danger: #ff5c7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  background: radial-gradient(circle at top left, rgba(47, 107, 255, 0.18), transparent 28rem), var(--bg);
  color: var(--text);
  font-family: Poppins, Inter, Segoe UI, Arial, sans-serif;
  letter-spacing: 0;
}

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

button {
  border: 0;
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b0f16;
  color: var(--text);
  padding: 0.72rem 0.8rem;
  outline: none;
}

textarea {
  min-height: 9rem;
  resize: vertical;
  font-family: Consolas, ui-monospace, monospace;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 8vw, 4.8rem);
  line-height: 0.96;
  max-width: 11ch;
}

h2 {
  font-size: 1.35rem;
}

h3 {
  color: var(--text);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

.eyebrow {
  color: var(--accent-2);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.primary {
  background: var(--accent);
  padding: 0.75rem 0.95rem;
  font-weight: 700;
}

.ghost {
  background: #1a2230;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
}

.danger {
  background: rgba(255, 92, 122, 0.15);
  color: #ffc2cd;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(255, 92, 122, 0.28);
}

.login-view {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-panel {
  width: min(100%, 56rem);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: end;
}

.login-logo {
  width: min(100%, 27rem);
  aspect-ratio: 16 / 9;
  object-fit: contain;
  align-self: center;
  filter: drop-shadow(0 2rem 4rem rgba(47, 107, 255, 0.4));
}

.login-form {
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 20, 28, 0.78);
}

.error {
  color: var(--danger);
  min-height: 1rem;
}

.app-shell {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 18rem minmax(0, 1fr);
}

.sidebar {
  min-height: 100svh;
  padding: 1.25rem;
  border-right: 1px solid var(--line);
  background: #080b11;
  display: grid;
  align-content: start;
  gap: 1rem;
}

.brand-logo {
  width: 12rem;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.flow-list,
.run-list,
.cards,
.action-buttons {
  display: grid;
  gap: 0.7rem;
}

.flow-item,
.run-item {
  text-align: left;
  background: transparent;
  border: 1px solid var(--line);
  padding: 0.85rem;
  border-radius: 8px;
}

.flow-item.active {
  border-color: var(--accent);
  background: rgba(47, 107, 255, 0.12);
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.workspace {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.topbar {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
  background: rgba(7, 9, 13, 0.92);
  position: sticky;
  top: 0;
  z-index: 3;
}

.topbar > div:first-child {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 0.8rem;
}

.topbar-actions,
.share-row {
  display: flex;
  gap: 0.65rem;
  align-items: end;
}

.user-admin {
  display: grid;
  gap: 0.65rem;
}

.builder {
  min-height: 0;
  display: grid;
  grid-template-columns: 17rem minmax(24rem, 1fr) 20rem;
}

.action-library,
.run-panel {
  padding: 1rem;
  border-right: 1px solid var(--line);
  display: grid;
  align-content: start;
  gap: 1rem;
  background: rgba(16, 20, 28, 0.72);
}

.run-panel {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.canvas-zone {
  min-width: 0;
  padding: 1.2rem;
  overflow: auto;
}

.canvas-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.status-pill {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  color: var(--muted);
  background: #0b0f16;
}

.action-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.9rem;
  display: grid;
  gap: 0.8rem;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.action-card:hover {
  transform: translateY(-2px);
  border-color: rgba(73, 210, 194, 0.55);
}

.action-card.dragging {
  opacity: 0.55;
}

.card-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
}

.drag-handle {
  color: var(--muted);
  cursor: grab;
}

.grid-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.grid-fields .wide {
  grid-column: 1 / -1;
}

.hint {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.35;
}

.run-item {
  display: grid;
  gap: 0.5rem;
}

.run-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.run-links a {
  color: var(--accent-2);
}

@media (max-width: 1100px) {
  .app-shell,
  .builder,
  .topbar,
  .topbar > div:first-child,
  .login-panel {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .builder {
    min-height: auto;
  }

  .run-panel {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}