:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #141821;
  --panel-muted: #10141c;
  --panel-strong: #1a202b;
  --border: #273041;
  --text: #e6e8ee;
  --muted: #9da7b8;
  --accent: #7dd3fc;
  --accent-soft: rgba(125, 211, 252, 0.12);
  --success: #7dd3a0;
  --warning: #f5c26b;
  --danger: #f09c9c;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  --radius: 14px;
  --radius-sm: 10px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(125, 211, 252, 0.07), transparent 25%),
    linear-gradient(180deg, #0d1016 0%, #0f1115 100%);
  color: var(--text);
  font-family: var(--font);
}

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

.app-shell {
  min-height: 100vh;
  padding: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(20, 24, 33, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.topbar__brand,
.topbar__context,
.section-head,
.editor-toolbar,
.toolbar-tabs,
.toolbar-actions,
.bottom-tabs,
.export-box,
.export-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar__brand h1,
.section-head h2,
.panel-section h2 {
  margin: 0;
  font-size: 16px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(125, 211, 252, 0.3);
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace {
  display: grid;
  grid-template-columns: 280px minmax(640px, 1fr) 280px;
  gap: 16px;
  min-height: calc(100vh - 124px);
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(20, 24, 33, 0.9);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel--nav,
.panel--side {
  display: flex;
  flex-direction: column;
}

.panel--main {
  display: grid;
  grid-template-rows: auto minmax(240px, 1fr) auto minmax(260px, 0.9fr);
}

.panel-section,
.editor-toolbar,
.execution-banner,
.bottom-panel {
  padding: 18px;
}

.panel-section + .panel-section {
  border-top: 1px solid var(--border);
}

.connection-pill,
.pill,
.ghost-button,
.action-button,
.toolbar-tab,
.bottom-tab,
.search-field,
.info-card,
.log-row,
.problem-box {
  border: 1px solid var(--border);
  border-radius: 999px;
}

.ghost-button,
.action-button,
.toolbar-tab,
.bottom-tab {
  cursor: pointer;
}

.ghost-button,
.toolbar-tab,
.bottom-tab,
.search-field {
  padding: 8px 12px;
  background: var(--panel-muted);
  color: var(--muted);
}

.ghost-button--small {
  padding: 6px 10px;
}

.action-button {
  padding: 9px 13px;
  background: var(--panel-strong);
  color: var(--text);
}

.action-button--primary {
  border-color: rgba(125, 211, 252, 0.28);
  background: rgba(125, 211, 252, 0.16);
  color: #dff6ff;
}

.connection-pill,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  background: var(--panel-muted);
}

.pill--success {
  color: var(--success);
}

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

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--muted);
}

.status-dot--ok {
  background: var(--success);
}

.connection-list,
.tree,
.detail-list,
.focus-list,
.log-list {
  display: grid;
  gap: 10px;
}

.connection-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
  color: inherit;
  text-align: left;
}

.connection-card p,
.export-box p,
.problem-box p,
.focus-list,
.detail-list span,
.info-card span,
.log-row span {
  margin: 4px 0 0;
  color: var(--muted);
}

.connection-card.is-active {
  border-color: rgba(125, 211, 252, 0.4);
  background: rgba(125, 211, 252, 0.08);
}

.tree details {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
}

.tree summary {
  cursor: pointer;
  font-weight: 600;
}

.tree ul {
  margin: 10px 0 0 18px;
  padding: 0;
  color: var(--muted);
}

.editor {
  display: grid;
  grid-template-columns: 52px 1fr;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #10141b;
}

.editor-gutter,
.editor-code {
  padding: 18px 16px;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
}

.editor-gutter {
  color: #697386;
  border-right: 1px solid var(--border);
  background: #0d1016;
}

.editor-gutter span {
  display: block;
}

.editor-code {
  color: #d7e2f0;
  overflow: auto;
}

.execution-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: linear-gradient(90deg, rgba(125, 211, 160, 0.12), rgba(125, 211, 252, 0.04));
}

.execution-banner.is-error {
  background: linear-gradient(90deg, rgba(240, 156, 156, 0.16), rgba(240, 156, 156, 0.06));
}

.banner-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(88px, 1fr));
  gap: 12px;
}

.banner-metrics div,
.detail-list div,
.info-card {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(15, 18, 24, 0.7);
}

.banner-metrics span,
.detail-list span,
.info-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.bottom-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
}

.toolbar-tab.is-active,
.bottom-tab.is-active {
  border-color: rgba(125, 211, 252, 0.3);
  background: rgba(125, 211, 252, 0.14);
  color: #e4f7ff;
}

.tab-content {
  display: none;
}

.tab-content.is-active {
  display: block;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

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

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 600;
  background: #121722;
}

.log-row,
.export-box,
.problem-box {
  padding: 16px;
  background: var(--panel-muted);
}

.focus-list {
  padding-left: 18px;
}

.focus-list li + li {
  margin-top: 10px;
}

@media (max-width: 1320px) {
  .workspace {
    grid-template-columns: 250px minmax(520px, 1fr) 250px;
  }
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .panel--main {
    order: 1;
  }

  .panel--nav {
    order: 2;
  }

  .panel--side {
    order: 3;
  }
}