/*
 * Developer Friend — React Bits palette (violet accents) + v0-style single-canvas layout:
 * one main column (no right rail), centered header search, full-width workspace.
 * Loads after shadcn-ui.css / award-ui.css.
 */

html:not([data-theme]),
[data-theme="dark"] {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0c;
  --bg-tertiary: #141418;
  --bg-hover: #1f1f26;
  --border: #27272f;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --accent: #a855f7;
  --accent-hover: #c084fc;
  --accent-foreground: #fafafa;
  --accent-muted: color-mix(in srgb, #a855f7 35%, transparent);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --sidebar-width: 276px;
  --header-height: 64px;
  --workspace-pad-x: clamp(24px, 4vw, 52px);
  --workspace-pad-y: 40px;
  --workspace-pad-bottom: 56px;
  --shell-gap: 20px;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, Menlo, Monaco, Consolas, monospace;
  --shadow-glow-purple: 0 0 48px color-mix(in srgb, #a855f7 12%, transparent);
}

[data-theme="light"] {
  --accent: #7c3aed;
  --accent-hover: #6d28d9;
  --accent-foreground: #fafafa;
  --accent-muted: color-mix(in srgb, #7c3aed 22%, transparent);
}

/* -------------------------------------------------------------------------- */
/* v0-like single interface: centered omnibar, no third column                 */
/* -------------------------------------------------------------------------- */

@media (min-width: 769px) {
  #app > .header {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(280px, min(520px, 42vw)) minmax(0, 1fr);
    align-items: center;
    justify-content: stretch;
    column-gap: var(--shell-gap);
    padding: 0 24px;
    flex-direction: row !important;
    min-height: var(--header-height);
    height: auto;
  }

  .header-top-row {
    justify-self: start;
    min-width: 0;
    flex: none !important;
  }

  .header-end {
    justify-self: center;
    width: 100%;
    max-width: 520px;
    flex: none !important;
    margin: 0;
  }

  .header-search-wrap {
    max-width: none;
    width: 100%;
  }

  .header-actions {
    justify-self: end;
    flex-wrap: nowrap;
    width: auto !important;
    margin-left: 0 !important;
    gap: 12px;
  }
}

/* Main column = full canvas (right rail removed in HTML) */
.layout {
  align-items: stretch;
}

.main-panel {
  flex: 1 1 auto;
  min-width: 0;
  background: var(--bg-primary);
}

/* Code / diff — JetBrains */
html:not([data-theme]) #workspace .io-diff-line,
[data-theme="dark"] #workspace .io-diff-line,
html:not([data-theme]) #workspace pre,
[data-theme="dark"] #workspace pre,
html:not([data-theme]) #workspace textarea.input,
[data-theme="dark"] #workspace textarea.input {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Header — glass + subtle violet hairline */
html:not([data-theme]) .header,
[data-theme="dark"] .header {
  background: color-mix(in srgb, var(--bg-secondary) 82%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 90%, transparent);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.45));
}

.header-top-row {
  align-items: center;
  gap: 10px;
}

/* Tools hub + NEW */
.header-tools-hub-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin: 0;
  padding: 6px 12px 6px 14px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-tertiary) 88%, var(--accent) 6%);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.2s ease;
}

.header-tools-hub-btn:hover {
  background: color-mix(in srgb, var(--bg-hover) 90%, var(--accent) 10%);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 15%, transparent);
}

.header-tools-hub-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.header-pill-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 7px;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-foreground);
  background: linear-gradient(135deg, #a855f7, #7c3aed);
  border-radius: 6px;
  line-height: 1.2;
}

[data-theme="light"] .header-pill-badge {
  color: #fff;
}

/* Sidebar active */
html:not([data-theme]) .sidebar-nav-item.active,
[data-theme="dark"] .sidebar-nav-item.active,
[data-theme="light"] .sidebar-nav-item.active {
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-tertiary));
  border-left-color: var(--accent);
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}

html:not([data-theme]) .sidebar-nav-item,
[data-theme="dark"] .sidebar-nav-item {
  border-radius: 0 12px 12px 0;
}

/* Workspace — soft purple / teal ambient */
html:not([data-theme]) .workspace,
[data-theme="dark"] .workspace {
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -30%, rgba(250, 250, 250, 0.07), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(99, 102, 241, 0.09), transparent 50%),
    radial-gradient(ellipse 50% 40% at 0% 20%, rgba(34, 197, 94, 0.04), transparent 45%);
}

[data-theme="light"] .workspace {
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -25%, rgba(24, 24, 27, 0.04), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(99, 102, 241, 0.06), transparent 50%);
}

/* Home hero */
html:not([data-theme]) .home-hero-title,
[data-theme="dark"] .home-hero-title {
  background: linear-gradient(135deg, #ffffff 0%, #e9d5ff 45%, #a855f7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

[data-theme="light"] .home-hero-title {
  background: linear-gradient(135deg, #18181b 0%, #6d28d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Tabs — active state finalized here (loads after shadcn-ui). */
html:not([data-theme]) .tab.active,
[data-theme="dark"] .tab.active,
[data-theme="light"] .tab.active {
  color: var(--text);
  font-weight: 600;
  background: var(--bg-tertiary);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--accent) 42%, var(--border)),
    0 1px 3px rgba(0, 0, 0, 0.22);
}

/* -------------------------------------------------------------------------- */
/* Looser rhythm — less cramped / clumsy (workspace, tabs, sidebar, tools)    */
/* -------------------------------------------------------------------------- */

html:not([data-theme]) .workspace,
[data-theme="dark"] .workspace,
[data-theme="light"] .workspace {
  padding: var(--workspace-pad-y) var(--workspace-pad-x) var(--workspace-pad-bottom);
}

html:not([data-theme]) .tabs-bar,
[data-theme="dark"] .tabs-bar,
[data-theme="light"] .tabs-bar {
  padding: 10px 18px;
  min-height: 48px;
  gap: 8px;
}

html:not([data-theme]) .tab,
[data-theme="dark"] .tab,
[data-theme="light"] .tab {
  padding: 10px 16px;
  margin: 4px 0;
}

html:not([data-theme]) .panel-tool-chrome,
[data-theme="dark"] .panel-tool-chrome,
[data-theme="light"] .panel-tool-chrome {
  padding: 14px 28px 16px;
}

html:not([data-theme]) .panel-tool-chrome-inner,
[data-theme="dark"] .panel-tool-chrome-inner,
[data-theme="light"] .panel-tool-chrome-inner {
  gap: 16px 20px;
}

/* Sidebar: taller rows, clearer sections */
html:not([data-theme]) .sidebar-section-header,
[data-theme="dark"] .sidebar-section-header,
[data-theme="light"] .sidebar-section-header {
  padding: 14px 14px 8px;
  margin-top: 4px;
}

html:not([data-theme]) .sidebar-nav-item,
[data-theme="dark"] .sidebar-nav-item,
[data-theme="light"] .sidebar-nav-item {
  padding: 11px 16px 11px 18px;
  margin-right: 12px;
  font-size: 13px;
  line-height: 1.35;
}

html:not([data-theme]) .sidebar-content,
[data-theme="dark"] .sidebar-content,
[data-theme="light"] .sidebar-content {
  padding-bottom: 16px;
}

/* Search trigger + theme control — same hit target and height */
html:not([data-theme]) .header-spotlight-trigger,
[data-theme="dark"] .header-spotlight-trigger,
[data-theme="light"] .header-spotlight-trigger,
html:not([data-theme]) .theme-dropdown-trigger,
[data-theme="dark"] .theme-dropdown-trigger,
[data-theme="light"] .theme-dropdown-trigger {
  min-height: 40px;
  padding: 8px 14px;
}

/* Tool split + actions (overrides award-ui) */
#workspace .split-row {
  gap: 24px;
  margin: 12px 0 20px;
  padding: 28px 28px 32px;
}

.tool-action-bar {
  margin: 16px 0 28px;
  padding: 8px 0;
  gap: 16px;
}

/* I/O cards — space between stacked areas */
html:not([data-theme]) #workspace .io-area,
[data-theme="dark"] #workspace .io-area,
[data-theme="light"] #workspace .io-area {
  margin-bottom: 20px;
}

/* Home landing */
html:not([data-theme]) .home-page,
[data-theme="dark"] .home-page,
[data-theme="light"] .home-page {
  max-width: 1140px;
  padding-left: 8px;
  padding-right: 8px;
}

html:not([data-theme]) .home-hero,
[data-theme="dark"] .home-hero,
[data-theme="light"] .home-hero {
  margin-bottom: 44px;
  padding-bottom: 36px;
}

@media (max-width: 768px) {
  html:not([data-theme]) .workspace,
  [data-theme="dark"] .workspace,
  [data-theme="light"] .workspace {
    padding: 22px 16px 36px;
  }

  #workspace .split-row {
    padding: 20px 18px;
    gap: 18px;
  }
}