/* ═══════════════════════════════════════════════════════════════════
   shadcn-base.css — shadcn/ui design tokens applied to koiboard
   Zero HTML changes. Drop-in replacement for styles.css.
   ═══════════════════════════════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

/* ── shadcn/ui Design Tokens (HSL) ─────────────────────────────── */
:root {
  /* shadcn core palette */
  --background: 0 0% 100%;
  --foreground: 222.2 84% 4.9%;
  --card: 0 0% 100%;
  --card-foreground: 222.2 84% 4.9%;
  --popover: 0 0% 100%;
  --popover-foreground: 222.2 84% 4.9%;
  --primary: 173 80% 36%;
  --primary-foreground: 210 40% 98%;
  --secondary: 210 40% 96.1%;
  --secondary-foreground: 222.2 47.4% 11.2%;
  --muted: 210 40% 96.1%;
  --muted-foreground: 215.4 16.3% 46.9%;
  --accent: 210 40% 96.1%;
  --accent-foreground: 222.2 47.4% 11.2%;
  --destructive: 0 84.2% 60.2%;
  --destructive-foreground: 210 40% 98%;
  --border: 214.3 31.8% 91.4%;
  --input: 214.3 31.8% 91.4%;
  --ring: 173 80% 36%;
  --radius: 0.5rem;

  /* extended: koiboard-specific tokens */
  --success: 142.1 76.2% 36.3%;
  --success-foreground: 355.7 100% 97.3%;
  --warning: 38 92% 50%;
  --warning-foreground: 48 96% 89%;
  --info: 173 80% 36%;
  --info-foreground: 210 40% 98%;

  /* spacing (keep koiboard names for zero-HTML-change) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-control: 10px;
  --space-field: 12px;
  --space-block: 14px;
  --space-panel: 18px;
  --space-stack: 20px;

  /* fonts */
  --font-sans: "Inter", "Segoe UI", "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", "SFMono-Regular", Consolas, monospace;

  /* shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* derived colors (from HSL) */
  --color-bg: hsl(var(--background));
  --color-fg: hsl(var(--foreground));
  --color-card: hsl(var(--card));
  --color-card-fg: hsl(var(--card-foreground));
  --color-primary: hsl(var(--primary));
  --color-primary-fg: hsl(var(--primary-foreground));
  --color-secondary: hsl(var(--secondary));
  --color-secondary-fg: hsl(var(--secondary-foreground));
  --color-muted: hsl(var(--muted));
  --color-muted-fg: hsl(var(--muted-foreground));
  --color-accent: hsl(var(--accent));
  --color-accent-fg: hsl(var(--accent-foreground));
  --color-destructive: hsl(var(--destructive));
  --color-destructive-fg: hsl(var(--destructive-foreground));
  --color-border: hsl(var(--border));
  --color-input: hsl(var(--input));
  --color-ring: hsl(var(--ring));
  --color-success: hsl(var(--success));
  --color-warning: hsl(var(--warning));

  /* koiboard legacy token mapping → shadcn (DO NOT override shadcn HSL raw vars) */
  --bg: var(--color-bg);
  --surface: var(--color-card);
  --surface-solid: var(--color-card);
  --surface-soft: hsl(var(--muted));
  --line: hsl(var(--border));
  --line-strong: hsl(214.3 25% 82%);
  --text: var(--color-fg);
  --text-secondary: hsl(215.4 16.3% 35%);
  --text-soft: hsl(215.4 16.3% 42%);
  --text-muted: var(--color-muted-fg);
  --primary-strong: hsl(173 80% 28%);
  --primary-soft: hsl(var(--primary) / 0.12);
  --accent-koi: hsl(24.6 95% 53.1%);
  --accent-koi-strong: hsl(20.5 90.2% 48.2%);
  --accent-koi-soft: hsl(24.6 95% 53.1% / 0.14);
  --danger-soft: hsl(var(--destructive) / 0.14);
  --code: hsl(222.2 84% 4.9%);
  --code-text: hsl(210 40% 96.1%);
  --focus: 0 0 0 3px hsl(var(--ring) / 0.24);
}


/* ═══════════════════════════════════════════════════════════════════
   BASE RESET & TYPOGRAPHY
   ═══════════════════════════════════════════════════════════════════ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100dvh;
  margin: 0;
  background: hsl(var(--background));
}

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

button {
  min-height: 40px;
  border: 0;
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled, input:disabled, select:disabled, textarea:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px hsl(var(--background)), 0 0 0 4px hsl(var(--ring));
  border-radius: calc(var(--radius) - 2px);
}

h1, h2, h3, h4, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h2 {
  margin-bottom: 6px;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h3 {
  margin-bottom: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

code, .code-editor, kbd {
  font-family: var(--font-mono);
}

::selection {
  background: hsl(var(--primary) / 0.2);
  color: var(--text);
}


/* ═══════════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════════ */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: hsl(var(--muted-foreground) / 0.3);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--muted-foreground) / 0.5);
}


/* ═══════════════════════════════════════════════════════════════════
   SKIP LINK
   ═══════════════════════════════════════════════════════════════════ */

.skip-link {
  position: fixed;
  top: var(--space-field);
  left: var(--space-field);
  z-index: 2000;
  padding: 8px 16px;
  border-radius: var(--radius);
  background: var(--color-fg);
  color: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}


/* ═══════════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════════ */

.app-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100dvh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  height: 100dvh;
  padding: var(--space-panel);
  border-right: 1px solid var(--line);
  background: hsl(var(--background));
  overflow: hidden;
}

.main {
  min-width: 0;
  padding: var(--space-lg);
}


/* ═══════════════════════════════════════════════════════════════════
   CARDS & PANELS (shadcn Card component style)
   ═══════════════════════════════════════════════════════════════════ */

.brand-panel,
.sidebar-card,
.panel,
.advanced-panel,
.inspector,
.result-panel,
.hero-panel,
.metric,
.status-strip article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.brand-panel {
  display: flex;
  gap: var(--space-field);
  align-items: center;
  padding: var(--space-block);
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, hsl(173 80% 36%), hsl(173 80% 24%));
  box-shadow: 0 8px 20px hsl(var(--primary) / 0.28);
}

.brand-mark img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.brand-mark svg,
.input-with-icon svg,
.icon-button svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.brand-mark svg {
  width: 26px;
  height: 26px;
  color: white;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.connection-card {
  gap: var(--space-field);
}

.connection-card-head {
  display: grid;
  gap: var(--space-control);
}

.mini-status {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.mini-status strong {
  font-size: 0.92rem;
  font-weight: 700;
}

.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--color-warning);
  box-shadow: 0 0 0 4px hsl(var(--warning) / 0.2);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.status-dot.online {
  background: var(--color-success);
  box-shadow: 0 0 0 4px hsl(var(--success) / 0.2);
}

.status-dot.local {
  background: hsl(var(--info));
  box-shadow: 0 0 0 4px hsl(var(--info) / 0.2);
}

.status-dot.error {
  background: var(--color-destructive);
  box-shadow: 0 0 0 4px hsl(var(--destructive) / 0.2);
}

.connection-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.connection-stat {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  background: var(--surface-soft);
}

.connection-stat span {
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 600;
}

.connection-stat strong {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}


/* ═══════════════════════════════════════════════════════════════════
   BUTTONS (shadcn Button component style)
   ═══════════════════════════════════════════════════════════════════ */

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1;
  transition: all var(--transition-fast);
  user-select: none;
}

.button {
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.button:hover {
  background: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

.button:active {
  transform: scale(0.98);
}

/* variant: primary */
.button.primary {
  border-color: transparent;
  background: var(--color-primary);
  color: var(--color-primary-fg);
  box-shadow: 0 1px 3px hsl(var(--primary) / 0.3);
}

.button.primary:hover {
  background: var(--primary-strong);
}

/* variant: secondary */
.button.secondary {
  border-color: var(--line);
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
}

.button.secondary:hover {
  background: hsl(var(--accent));
  border-color: hsl(var(--accent-foreground) / 0.15);
}

/* variant: destructive */
.button.danger,
.icon-button.danger {
  border-color: hsl(var(--destructive) / 0.3);
  background: hsl(var(--destructive) / 0.1);
  color: hsl(var(--destructive));
}

.button.danger:hover,
.icon-button.danger:hover {
  background: hsl(var(--destructive));
  color: var(--color-destructive-fg);
}

/* variant: accent (koiboard orange) */
.button.accent {
  border-color: transparent;
  background: var(--accent-koi);
  color: white;
  box-shadow: 0 1px 3px hsl(24.6 95% 53.1% / 0.3);
}

.button.accent:hover {
  background: var(--accent-koi-strong);
}

/* variant: tool-button */
.button.tool-button {
  border-color: hsl(24.6 95% 53.1% / 0.35);
  background: hsl(24.6 95% 53.1% / 0.1);
  color: hsl(21 90% 25%);
}

.button.tool-button:hover {
  background: hsl(24.6 95% 53.1% / 0.18);
}

/* full width */
.button.full {
  width: 100%;
}

/* icon button */
.icon-button {
  width: 40px;
  min-width: 40px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-soft);
}

.icon-button:hover {
  background: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

.icon-button svg {
  width: 18px;
  height: 18px;
}


/* ═══════════════════════════════════════════════════════════════════
   FORM CONTROLS (shadcn Input style)
   ═══════════════════════════════════════════════════════════════════ */

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid hsl(var(--input));
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:hover,
select:hover,
textarea:hover {
  border-color: hsl(var(--ring) / 0.5);
}

input:focus,
select:focus,
textarea:focus {
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsl(var(--ring) / 0.15);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

textarea {
  min-height: 80px;
  resize: vertical;
}

.json-field {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.input-with-icon {
  position: relative;
}

.input-with-icon svg {
  position: absolute;
  top: 50%;
  left: 12px;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.input-with-icon input {
  padding-left: 40px;
}


/* ═══════════════════════════════════════════════════════════════════
   SEARCH
   ═══════════════════════════════════════════════════════════════════ */

.search-control {
  display: grid;
  gap: 6px;
  position: relative;
  z-index: 40;
}

.search-control label,
.field-label,
.access-field > label:first-child {
  color: var(--text-soft);
  font-size: 0.8rem;
  font-weight: 600;
}

.search-results-panel {
  position: absolute;
  top: calc(100% + var(--space-sm));
  left: 0;
  right: 0;
  max-height: min(52vh, 420px);
  overflow: auto;
  padding: var(--space-sm);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-solid);
  box-shadow: var(--shadow-lg);
}

.search-results-panel .panel-heading {
  margin-bottom: var(--space-sm);
}

.search-list,
.risk-list,
.change-list,
.inspect-list {
  display: grid;
  gap: 8px;
}

.search-row,
.risk-item,
.change-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-align: left;
  font-size: 0.8125rem;
  transition: border-color var(--transition-fast);
}

.search-row:hover {
  border-color: hsl(var(--ring) / 0.4);
  background: hsl(var(--accent) / 0.3);
}

.search-row > span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.search-row strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-row code {
  display: block;
  max-width: 100%;
  overflow: hidden;
  color: var(--text-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.72rem;
}

.search-row em,
.count-pill,
.type-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid hsl(var(--primary) / 0.2);
  background: hsl(var(--primary) / 0.08);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-style: normal;
  font-weight: 700;
}

.search-results-panel .search-list {
  gap: var(--space-sm);
}

.search-results-panel .search-row {
  min-height: 42px;
  padding: 8px 10px;
  align-items: flex-start;
}


/* ═══════════════════════════════════════════════════════════════════
   NAVIGATION (Section list)
   ═══════════════════════════════════════════════════════════════════ */

.section-nav {
  display: grid;
  gap: 6px;
  overflow: auto;
  padding-right: 2px;
  scrollbar-color: var(--line-strong) transparent;
}

.nav-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 52px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.8125rem;
  text-align: left;
  transition: all var(--transition-fast);
}

.nav-item:hover {
  border-color: hsl(var(--ring) / 0.4);
  background: hsl(var(--accent) / 0.35);
  transform: translateX(1px);
}

.nav-item[aria-current="true"] {
  border-color: hsl(var(--primary) / 0.4);
  background: hsl(var(--primary) / 0.08);
  color: var(--text);
  box-shadow: inset 0 0 0 1px hsl(var(--primary) / 0.1);
}

.nav-item span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.nav-item strong,
.nav-item small {
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-item strong {
  color: inherit;
  white-space: nowrap;
}

.nav-item small {
  display: -webkit-box;
  color: var(--text-muted);
  font-size: 0.7rem;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}


/* ═══════════════════════════════════════════════════════════════════
   TOPBAR / CONNECTION BAR (shadcn Card variant)
   ═══════════════════════════════════════════════════════════════════ */

.topbar {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.topbar-title p:last-child {
  max-width: 74ch;
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.topbar-controls {
  display: grid;
  gap: var(--space-control);
  width: 100%;
  justify-items: stretch;
}

.connection-bar {
  display: grid;
  gap: var(--space-panel);
  align-items: start;
  padding: var(--space-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.connection-head {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  justify-content: space-between;
}

.connection-head h3 {
  margin: 0;
  font-size: 0.95rem;
}

.connection-state {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.connection-state strong {
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.connection-bar[data-health="online"] .connection-state strong {
  color: var(--color-success);
}

.connection-bar[data-health="local"] .connection-state strong {
  color: hsl(var(--info));
}

.connection-bar[data-health="error"] .connection-state strong {
  color: var(--color-destructive);
}

.connection-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.25fr) minmax(260px, 1fr);
  gap: var(--space-md);
}

.connection-field {
  display: grid;
  gap: 6px;
  align-content: start;
}

.api-field small {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.secret-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px;
  gap: 6px;
}

.remember-access {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.remember-access input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-height: 16px;
  accent-color: var(--color-primary);
  margin: 0;
}


/* ═══════════════════════════════════════════════════════════════════
   ACTION ROWS
   ═══════════════════════════════════════════════════════════════════ */

.action-row,
.editor-toolbar,
.hero-actions,
.toolbar-line,
.modal-actions,
.inspector-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-control);
}

.action-row-main {
  justify-content: flex-start;
}

.action-row-danger {
  width: 100%;
  padding-top: var(--space-sm);
  border-top: 1px solid hsl(var(--destructive) / 0.2);
  justify-content: flex-end;
}

.action-row-danger .button {
  min-width: 160px;
}


/* ═══════════════════════════════════════════════════════════════════
   STATUS STRIP (mini stat cards)
   ═══════════════════════════════════════════════════════════════════ */

.status-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-control);
  margin-bottom: var(--space-md);
}

.status-strip article {
  min-height: 76px;
  padding: 12px 14px;
}

.status-strip span,
.metric span,
.metric small {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-strip strong,
.metric strong {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
}


/* ═══════════════════════════════════════════════════════════════════
   WORKSPACE
   ═══════════════════════════════════════════════════════════════════ */

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--space-md);
  align-items: start;
}

.content-column {
  display: grid;
  gap: var(--space-md);
  min-width: 0;
}

.view-stack {
  display: grid;
  gap: var(--space-md);
}

.panel,
.advanced-panel,
.inspector,
.result-panel {
  padding: var(--space-panel);
}

.inspector {
  position: sticky;
  top: var(--space-lg);
}

.panel-heading {
  display: flex;
  gap: var(--space-block);
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}


/* ═══════════════════════════════════════════════════════════════════
   DASHBOARD GRID
   ═══════════════════════════════════════════════════════════════════ */

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(140px, 0.6fr));
  gap: var(--space-block);
}

.hero-panel {
  padding: 20px;
  border-color: hsl(var(--primary) / 0.3);
  background: linear-gradient(135deg, var(--primary-strong), hsl(var(--primary)));
  color: white;
  box-shadow: var(--shadow-lg);
}

.hero-panel .eyebrow,
.hero-panel p {
  color: hsl(var(--primary-foreground) / 0.82);
}

.hero-panel h3 {
  margin-bottom: 8px;
  font-size: 1.4rem;
  font-weight: 800;
}

.hero-panel .button.secondary {
  border-color: hsl(var(--primary-foreground) / 0.3);
  background: hsl(var(--primary-foreground) / 0.12);
  color: white;
}

.metric {
  min-height: 140px;
  padding: var(--space-panel);
}

.metric strong {
  margin: 10px 0 8px;
  font-size: 1.8rem;
  line-height: 1;
}


/* ═══════════════════════════════════════════════════════════════════
   FORM GRID & FIELDS
   ═══════════════════════════════════════════════════════════════════ */

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-block);
}

.form-grid.one {
  grid-template-columns: 1fr;
}

.field {
  display: grid;
  gap: var(--space-sm);
  align-content: start;
  min-width: 0;
}

.field.is-wide {
  grid-column: 1 / -1;
}

.field-meta {
  display: grid;
  gap: 2px;
}

.field-title {
  position: relative;
  display: inline-flex;
  gap: 4px;
  align-items: center;
  width: fit-content;
  max-width: 100%;
}

.field strong,
.array-heading strong,
.tag-editor strong {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
}

.field small {
  color: var(--text-muted);
  font-size: 0.74rem;
}

.field mark {
  padding: 3px 6px;
  border-radius: var(--radius);
  background: hsl(var(--warning) / 0.15);
  color: hsl(21 90% 35%);
  font-size: 0.7rem;
}

.field.is-dirty input,
.field.is-dirty select,
.field.is-dirty textarea {
  border-color: hsl(var(--warning) / 0.5);
  background: hsl(var(--warning) / 0.05);
}


/* ═══════════════════════════════════════════════════════════════════
   HELP TIP / TOOLTIP
   ═══════════════════════════════════════════════════════════════════ */

.help-tip {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border: 1px solid hsl(var(--primary) / 0.3);
  border-radius: 999px;
  background: hsl(var(--primary) / 0.08);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  cursor: help;
}

.help-tip:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px hsl(var(--background)), 0 0 0 4px hsl(var(--ring));
}

.help-popover {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  z-index: 80;
  width: min(300px, calc(100vw - 36px));
  padding: 8px 12px;
  border: 1px solid hsl(var(--foreground) / 0.15);
  border-radius: var(--radius);
  background: hsl(var(--foreground));
  color: hsl(var(--background));
  box-shadow: var(--shadow-md);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.55;
  text-align: left;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 4px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.help-popover::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: 8px;
  height: 8px;
  background: hsl(var(--foreground));
  transform: translate(-50%, -4px) rotate(45deg);
}

.help-tip:hover .help-popover,
.help-tip:focus .help-popover {
  opacity: 1;
  transform: translate(-50%, 0);
}


/* ═══════════════════════════════════════════════════════════════════
   SWITCH / TOGGLE
   ═══════════════════════════════════════════════════════════════════ */

.switch {
  position: relative;
  display: inline-flex;
  width: 48px;
  min-height: 40px;
  align-items: center;
}

.switch-with-help {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch span {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: hsl(var(--input));
  transition: background 180ms ease;
}

.switch span::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: white;
  box-shadow: var(--shadow-sm);
  transition: transform 180ms ease;
}

.switch input:checked + span {
  background: var(--color-primary);
}

.switch input:checked + span::after {
  transform: translateX(20px);
}


/* ═══════════════════════════════════════════════════════════════════
   ARRAY / CARD EDITORS
   ═══════════════════════════════════════════════════════════════════ */

.array-editor,
.tag-editor,
.resource-editor,
.color-stop-editor {
  display: grid;
  grid-column: 1 / -1;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.array-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.array-heading-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  justify-content: flex-end;
}

.array-mode {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.ghost-chip {
  min-height: 32px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ghost-chip:hover {
  border-color: hsl(var(--primary) / 0.4);
}

.ghost-chip.is-active {
  border-color: hsl(var(--primary) / 0.4);
  background: hsl(var(--primary) / 0.1);
  color: var(--color-primary);
}

.array-list,
.resource-list,
.color-stop-list {
  display: grid;
  gap: 6px;
}

.array-item,
.color-stop {
  display: grid;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color var(--transition-fast);
}

.array-item.is-expanded,
.color-stop.is-expanded,
.item-card.is-expanded {
  border-color: hsl(var(--primary) / 0.35);
  background: hsl(var(--primary) / 0.04);
}

.array-summary,
.card-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 40px;
  padding: 6px 10px;
  border-radius: var(--radius);
  color: var(--text);
  text-align: left;
  font-size: 0.8125rem;
}

.array-summary span,
.card-summary span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.array-summary strong,
.array-summary small,
.card-summary strong,
.card-summary small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.array-summary small,
.card-summary small {
  color: var(--text-muted);
  font-size: 0.72rem;
}

.array-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px 40px 40px;
  gap: 6px;
}

.card-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.item-card {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color var(--transition-fast);
}

.item-card header,
.item-card footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.item-card header .card-summary {
  flex: 1 1 240px;
}

.card-header-actions {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  justify-content: flex-end;
}

.compact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}


/* ═══════════════════════════════════════════════════════════════════
   TAG CLOUD / RESOURCE / COLOR PICKERS
   ═══════════════════════════════════════════════════════════════════ */

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-cloud label {
  cursor: pointer;
}

.tag-cloud input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.tag-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tag-cloud input:checked + span {
  border-color: hsl(var(--primary) / 0.45);
  background: hsl(var(--primary) / 0.1);
  color: var(--color-primary);
  font-weight: 700;
}

.color-input {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 8px;
}

.color-input input[type="color"] {
  padding: 2px;
  cursor: pointer;
}

.text-preset-input {
  display: grid;
  grid-template-columns: minmax(200px, 1.35fr) minmax(160px, 0.65fr);
  gap: 8px;
}

.resource-row {
  display: grid;
  grid-template-columns: minmax(110px, 0.36fr) minmax(240px, 1fr) 40px;
  gap: 6px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.resource-row input {
  min-width: 0;
}

.color-stop {
  display: grid;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.array-summary .color-stop-actions {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.array-summary .color-stop-actions i {
  display: inline-block;
  width: 30px;
  height: 30px;
  border: 1px solid hsl(var(--foreground) / 0.15);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 3px hsl(var(--background) / 0.7);
}

.color-stop-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 8px;
}

.color-stop-footer {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
  padding-top: 2px;
}

.gradient-preview {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.gradient-preview div {
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.gradient-preview span {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.watermark-preview {
  display: grid;
  gap: 8px;
  min-height: 110px;
  margin-bottom: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, hsl(var(--background) / 0.96), hsl(var(--primary) / 0.1)),
              repeating-linear-gradient(45deg, hsl(var(--primary) / 0.06) 0 8px, transparent 8px 16px);
}

.watermark-preview strong {
  font-size: 1.15rem;
}

.watermark-preview span {
  align-self: end;
  color: var(--text-muted);
  font-family: var(--font-mono);
}


/* ═══════════════════════════════════════════════════════════════════
   INSPECTOR / PATH CARD
   ═══════════════════════════════════════════════════════════════════ */

.path-card {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.path-card span {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.path-card code {
  overflow-wrap: anywhere;
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
}

.inspect-list {
  margin: 0 0 12px;
}

.inspect-list div {
  display: grid;
  gap: 3px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.inspect-list dt {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
}

.inspect-list dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}


/* ═══════════════════════════════════════════════════════════════════
   CODE EDITOR
   ═══════════════════════════════════════════════════════════════════ */

.code-editor {
  min-height: 380px;
  border: 1px solid hsl(var(--foreground) / 0.2);
  border-radius: var(--radius);
  background: hsl(222.2 84% 4.9%);
  color: hsl(210 40% 96.1%);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  tab-size: 2;
  padding: 12px;
}

.code-editor.small {
  min-height: 220px;
}

.code-editor:focus {
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsl(var(--ring) / 0.15);
}


/* ═══════════════════════════════════════════════════════════════════
   SEGMENTED CONTROL
   ═══════════════════════════════════════════════════════════════════ */

.segmented {
  display: inline-grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: hsl(var(--muted));
  padding: 3px;
}

.segmented button {
  min-height: 34px;
  padding: 6px 12px;
  border-radius: calc(var(--radius) - 3px);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.segmented button:hover {
  color: var(--text);
}

.segmented button.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}


/* ═══════════════════════════════════════════════════════════════════
   STATES (Empty / Success)
   ═══════════════════════════════════════════════════════════════════ */

.success-state,
.empty-state {
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.875rem;
}

.success-state {
  color: var(--color-success);
  font-weight: 700;
}

.empty-state strong {
  display: block;
  margin-bottom: 4px;
}

.empty-state p {
  margin-bottom: 0;
  color: var(--text-muted);
}


/* ═══════════════════════════════════════════════════════════════════
   TOAST (shadcn Toast / Sonner style)
   ═══════════════════════════════════════════════════════════════════ */

.toast-region {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1500;
  display: grid;
  gap: 8px;
  width: min(380px, calc(100vw - 32px));
  pointer-events: none;
}

.toast {
  display: grid;
  gap: 4px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--color-success);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  animation: toast-in 200ms ease both;
}

.toast.error {
  border-left-color: var(--color-destructive);
}

.toast.warning {
  border-left-color: var(--color-warning);
}

.toast span {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.toast.is-leaving {
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  transition: opacity 180ms ease, transform 180ms ease;
}


/* ═══════════════════════════════════════════════════════════════════
   MODALS (shadcn Dialog style)
   ═══════════════════════════════════════════════════════════════════ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: grid;
  place-items: center;
  padding: 16px;
  background: hsl(var(--foreground) / 0.5);
  backdrop-filter: blur(4px);
}

.confirm-modal,
.tool-modal {
  width: min(440px, 100%);
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-xl);
}

.confirm-modal p:not(.eyebrow) {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.tool-modal {
  width: min(580px, 100%);
  max-height: min(700px, calc(100dvh - 32px));
  overflow: auto;
  display: grid;
  gap: 14px;
}

.tool-modal h3 {
  margin: 0;
}

.tool-modal form {
  display: grid;
  gap: 12px;
}

.tool-helper {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.85rem;
}

.tool-preview {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.tool-preview-gradient {
  height: 48px;
  border: 1px solid hsl(var(--foreground) / 0.12);
  border-radius: var(--radius);
}

.tool-preview-stops {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tool-preview-stops span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 28px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.75rem;
}

.tool-preview-stops i {
  width: 14px;
  height: 14px;
  border: 1px solid hsl(var(--foreground) / 0.15);
  border-radius: 999px;
}

.tool-preview-stops code {
  color: var(--text-soft);
  font-size: 0.7rem;
}


/* ═══════════════════════════════════════════════════════════════════
   SCROLL TOOLS
   ═══════════════════════════════════════════════════════════════════ */

.scroll-tools {
  position: fixed;
  right: 16px;
  bottom: 80px;
  z-index: 1200;
  display: grid;
  gap: 6px;
}

.scroll-tool {
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.scroll-tool:hover {
  background: hsl(var(--primary) / 0.08);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.scroll-tool svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}


/* ═══════════════════════════════════════════════════════════════════
   MISC
   ═══════════════════════════════════════════════════════════════════ */

.risk-item {
  border-color: hsl(var(--warning) / 0.35);
  background: hsl(var(--warning) / 0.06);
}

.change-item span {
  overflow: hidden;
  color: var(--text-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar-line span,
.muted {
  color: var(--text-muted);
  font-size: 0.82rem;
}

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

.skeleton-list span {
  height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, hsl(var(--muted)), hsl(var(--muted) / 0.4), hsl(var(--muted)));
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

.is-hidden {
  display: none !important;
}

#nav-health-latency {
  transition: color var(--transition-fast);
}

#nav-health-latency[data-tone="good"] {
  color: var(--color-success);
}

#nav-health-latency[data-tone="warn"] {
  color: var(--color-warning);
}

#nav-health-latency[data-tone="bad"] {
  color: var(--color-destructive);
}

#nav-health-latency[data-tone="pending"],
#nav-health-latency[data-tone="local"],
#nav-health-latency[data-tone="unknown"] {
  color: var(--text-muted);
}


/* ═══════════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════════ */

@keyframes shimmer {
  to { background-position: -200% 0; }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes search-hit {
  0%   { background: hsl(var(--primary) / 0.15); }
  100% { background: transparent; }
}


/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 1280px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

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

  .section-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: none;
  }

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

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

  .inspector {
    position: relative;
    top: auto;
  }
}

@media (max-width: 900px) {
  .main,
  .sidebar {
    padding: var(--space-md);
  }

  .connection-bar {
    padding: var(--space-md);
  }

  .connection-head {
    flex-direction: column;
  }

  .status-strip,
  .dashboard-grid,
  .form-grid,
  .compact-grid,
  .color-stop-grid {
    grid-template-columns: 1fr;
  }

  .resource-row {
    grid-template-columns: minmax(0, 1fr) 40px;
  }

  .resource-row input:first-child {
    grid-column: 1 / -1;
  }

  .section-nav {
    grid-template-columns: 1fr;
  }

  .search-results-panel {
    position: static;
    max-height: 280px;
    margin-top: var(--space-sm);
  }

  .action-row > *,
  .editor-toolbar > *,
  .hero-actions > *,
  .inspector-actions > * {
    flex: 1 1 150px;
  }

  .item-card header small {
    white-space: normal;
  }
}

@media (max-width: 520px) {
  .brand-panel {
    align-items: flex-start;
  }

  .scroll-tools {
    right: 10px;
    bottom: 68px;
  }

  .scroll-tool {
    width: 36px;
    min-width: 36px;
    height: 36px;
    min-height: 36px;
  }

  .array-row {
    grid-template-columns: minmax(0, 1fr) 40px;
  }

  .secret-input,
  .color-input,
  .text-preset-input {
    grid-template-columns: 1fr;
  }

  .icon-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}