:root {
  color-scheme: dark;
  --bg: #080b13;
  --panel: #0f1525;
  --panel-2: #151d33;
  --line: #26314a;
  --text: #e5e7eb;
  --muted: #8fa0bd;
  --accent: #d7a84a;
  --accent-2: #5cd1b5;
  --danger: #fca5a5;
  --radius: 14px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --gap: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at top, rgba(55, 73, 112, 0.26), transparent 42%),
    linear-gradient(180deg, #080b13 0%, #0a1020 100%);
  color: var(--text);
  font-family: 'Segoe UI Variable', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
}

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

button {
  border: 1px solid #2b3855;
  background: #151d33;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

button:hover,
button.active,
.button-label:hover,
.stacked-card.active {
  border-color: var(--accent);
}

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

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

input,
select,
textarea {
  width: 100%;
  background: #0b1020;
  border: 1px solid #33415f;
  color: #f8fafc;
  padding: 10px;
  border-radius: 10px;
}

textarea {
  resize: vertical;
}

code {
  color: #f5d38a;
}

.app-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 360px;
  overflow: hidden;
}

.sidebar,
.inspector {
  background: linear-gradient(180deg, rgba(15, 21, 37, 0.98), rgba(12, 17, 30, 0.98));
  padding: 18px;
  overflow: auto;
}

.sidebar {
  border-right: 1px solid var(--line);
}

.inspector {
  border-left: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
}

.brand > span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #f3c86a);
  color: #111827;
  font-weight: 900;
  letter-spacing: 0.06em;
  box-shadow: 0 10px 24px rgba(215, 168, 74, 0.28);
}

.brand div,
.document-title {
  display: grid;
}

.brand small,
.toolbar small,
.inspector small,
.widget-subtitle,
.hint {
  color: var(--muted);
}

.sidebar h2,
.inspector h2,
.section-block h3,
.info-card h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 18px 0 10px;
}

.stack-list {
  display: grid;
  gap: 8px;
}

.stacked-card,
.tool-list button,
.module-list button {
  display: grid;
  gap: 4px;
  text-align: left;
}

.stacked-card strong,
.tool-list button strong,
.module-list button strong {
  font-size: 13px;
}

.stacked-card small,
.tool-list button small,
.module-list button small {
  color: var(--muted);
  line-height: 1.35;
}

.stacked-card {
  border: 1px solid #2b3855;
  background: #151d33;
  color: var(--text);
  border-radius: 12px;
  padding: 11px 12px;
}

.workspace {
  min-width: 0;
  display: grid;
  grid-template-rows: 68px 1fr 30px;
}

.toolbar {
  background: rgba(15, 21, 37, 0.98);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  gap: 12px;
}

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

.button-label {
  display: inline-flex;
  align-items: center;
  border: 1px solid #2b3855;
  background: #151d33;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
}

.canvas-shell {
  overflow: auto;
  padding: 24px;
  background:
    radial-gradient(circle at top, rgba(35, 47, 76, 0.75), transparent 40%),
    linear-gradient(180deg, #080b13 0%, #0a1020 100%);
}

.canvas {
  --background: #0b1020;
  --surface: #151d33;
  --text: #f8fafc;
  --muted: #94a3b8;
  --primary: #d7a84a;
  --radius: 14px;
  --gap: 16px;
  background: var(--background);
  color: var(--text);
  margin: auto;
  min-height: 900px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: 72px;
  gap: var(--gap);
  padding: var(--gap);
  border: 1px solid #2b3855;
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: width 0.2s ease;
}

.canvas.desktop {
  width: 100%;
  max-width: 1440px;
}

.canvas.tablet {
  width: 768px;
}

.canvas.mobile {
  width: 390px;
}

.canvas-widget {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid transparent;
  overflow: hidden;
  min-width: 0;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.canvas-widget:hover,
.canvas-widget.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 24%, transparent);
  transform: translateY(-1px);
}

.widget-content,
.kpi {
  height: 100%;
  padding: 18px;
}

.widget-content {
  display: grid;
  align-content: start;
  gap: 10px;
}

.widget-content h3,
.kpi span {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.widget-subtitle,
.widget-content small {
  font-size: 12px;
}

.widget-content p {
  margin: 0;
  line-height: 1.55;
}

.widget-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}

.widget-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(215, 168, 74, 0.16);
  color: #f7de9f;
  border: 1px solid rgba(215, 168, 74, 0.22);
  font-size: 11px;
}

.widget-chip.subtle {
  background: rgba(148, 163, 184, 0.12);
  color: #cbd5e1;
  border-color: rgba(148, 163, 184, 0.2);
}

.widget-chip.accent {
  background: rgba(92, 209, 181, 0.15);
  color: #b8f2e7;
  border-color: rgba(92, 209, 181, 0.22);
}

.inspector-badges,
.chip-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.kpi {
  display: grid;
  align-content: center;
  gap: 4px;
}

.kpi strong {
  font-size: 34px;
  line-height: 1;
}

.kpi small {
  color: #6ee7b7;
  display: block;
  margin-top: 4px;
}

.chart {
  width: 100%;
  height: 82%;
  overflow: visible;
}

.chart polyline {
  fill: none;
  stroke: var(--primary);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

.center {
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
}

.primary {
  background: var(--primary) !important;
  color: #111827 !important;
  border: 0 !important;
  font-weight: 700;
}

.text-block {
  gap: 12px;
}

.widget-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.widget-content th,
.widget-content td {
  text-align: left;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 24%, transparent);
  padding: 9px 4px;
}

.widget-content label,
.inspector label,
.section-block label,
.info-card label {
  display: grid;
  gap: 7px;
  color: #a9b6cc;
  font-size: 13px;
  margin-bottom: 12px;
}

.section-block,
.info-card {
  border: 1px solid #2b3855;
  background: rgba(12, 17, 30, 0.78);
  border-radius: 14px;
  padding: 14px;
}

.section-block + .section-block {
  margin-top: 12px;
}

.section-block h3,
.info-card h3 {
  margin-top: 0;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.info-card {
  display: grid;
  gap: 8px;
}

.info-card strong {
  font-size: 16px;
}

.info-card p,
.info-card ul,
.validation-list {
  margin: 0;
  line-height: 1.5;
}

.info-card.pass {
  border-color: rgba(92, 209, 181, 0.3);
}

.info-card.warn {
  border-color: rgba(215, 168, 74, 0.35);
}

.validation-list {
  padding-left: 18px;
  color: #fbbf24;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.color-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 8px;
}

.color-row input[type='color'] {
  padding: 2px;
  min-height: 42px;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

fieldset {
  border: 1px solid #33415f;
  border-radius: 12px;
  margin: 0;
  padding: 12px;
}

legend {
  padding: 0 8px;
  color: var(--muted);
}

.check {
  display: flex !important;
  align-items: center;
  gap: 8px;
}

.check input {
  width: auto;
}

.danger {
  border-color: #7f1d1d !important;
  background: #3f1118 !important;
  color: var(--danger) !important;
}

.statusbar {
  display: flex;
  justify-content: space-between;
  padding: 6px 16px;
  background: rgba(15, 21, 37, 0.98);
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.statusbar .error {
  color: #fca5a5;
}

.hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
}

.widget-frame {
  position: relative;
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.widget-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 14%, transparent);
  cursor: grab;
}

.widget-header:active {
  cursor: grabbing;
}

.widget-titleblock {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.widget-titleblock strong,
.widget-titleblock span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.widget-titleblock span {
  color: var(--muted);
  font-size: 12px;
}

.widget-header-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.widget-body {
  min-height: 0;
  overflow: hidden;
}

.widget-content.center {
  place-items: center;
}

.widget-content.center button {
  min-width: 160px;
}

.widget-content code,
.binding-preview code {
  display: block;
  white-space: pre-wrap;
  word-break: break-word;
}

.resize-handle {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 18px;
  height: 18px;
  padding: 0;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--primary) 45%, transparent);
  background:
    linear-gradient(135deg, transparent 35%, color-mix(in srgb, var(--primary) 65%, transparent) 35%, color-mix(in srgb, var(--primary) 65%, transparent) 50%, transparent 50%),
    linear-gradient(135deg, transparent 58%, color-mix(in srgb, var(--primary) 45%, transparent) 58%, color-mix(in srgb, var(--primary) 45%, transparent) 72%, transparent 72%);
  cursor: nwse-resize;
  box-shadow: 0 0 0 1px rgba(8, 11, 19, 0.45);
}

.stack-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.stack-action {
  padding: 10px 12px;
  min-width: 84px;
}

.empty-note {
  border: 1px dashed #344567;
  border-radius: 12px;
  padding: 12px;
  color: var(--muted);
  background: rgba(9, 14, 25, 0.5);
  line-height: 1.45;
}

.binding-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

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

.binding-head strong {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.binding-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 8px;
}

.binding-row + .binding-row {
  margin-top: 8px;
}

.binding-preview {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid #2b3855;
  border-radius: 12px;
  background: rgba(9, 14, 25, 0.65);
}

.binding-preview strong {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.binding-preview code {
  font-size: 12px;
  color: #f5d38a;
}

.stack-list.compact {
  max-height: 260px;
  overflow: auto;
  padding-right: 2px;
}

@media (max-width: 1160px) {
  .app-shell {
    grid-template-columns: 230px minmax(0, 1fr) 320px;
  }

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

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 180px minmax(0, 1fr) 280px;
  }

  .toolbar {
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar,
  .inspector {
    display: none;
  }

  .canvas-shell {
    padding: 10px;
  }

  .canvas.desktop,
  .canvas.tablet,
  .canvas.mobile {
    width: 390px;
  }

  .canvas-widget {
    grid-column: 1 / -1 !important;
  }
}