@import url("https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;700&display=swap");

/*
 * Application styles load after Nitro Kit (see layout stylesheet_link_tag order).
 * Override only documented public --nk-* tokens; map from DESIGN.md / tailwind palette.
 */

:root,
[data-theme="light"] {
  --nk-font-sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;

  --nk-color-canvas: oklch(96% 0.008 95);
  --nk-color-surface: oklch(98.8% 0.006 90);
  --nk-color-elevated: oklch(97% 0.007 92);
  --nk-color-foreground: oklch(27% 0.03 255);
  --nk-color-muted: oklch(94% 0.008 92);
  --nk-color-muted-foreground: oklch(55% 0.04 250);
  --nk-color-border: oklch(90% 0.01 95);
  --nk-color-primary: oklch(38% 0.08 255);
  --nk-color-primary-foreground: oklch(98% 0.01 255);
  --nk-color-focus: oklch(38% 0.08 255);

  --nk-radius-xs: 0.35rem;
  --nk-radius-sm: 0.35rem;
  --nk-radius-md: 0.45rem;
  --nk-radius-lg: 0.55rem;

  /* 15% narrower than Nitro default (16rem) for more main-content room. */
  --nk-app-shell-sidebar-width: 13.6rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --nk-color-canvas: oklch(26% 0.018 255);
    --nk-color-surface: oklch(34% 0.02 255);
    --nk-color-elevated: oklch(42% 0.025 255);
    --nk-color-foreground: oklch(96% 0.008 95);
    --nk-color-muted: oklch(30% 0.02 255);
    --nk-color-muted-foreground: oklch(68% 0.05 200);
    --nk-color-border: oklch(42% 0.025 255);
    --nk-color-primary: oklch(72% 0.1 255);
    --nk-color-primary-foreground: oklch(22% 0.03 255);
    --nk-color-focus: oklch(72% 0.1 255);
  }
}

[data-theme="dark"] {
  --nk-color-canvas: oklch(26% 0.018 255);
  --nk-color-surface: oklch(34% 0.02 255);
  --nk-color-elevated: oklch(42% 0.025 255);
  --nk-color-foreground: oklch(96% 0.008 95);
  --nk-color-muted: oklch(30% 0.02 255);
  --nk-color-muted-foreground: oklch(68% 0.05 200);
  --nk-color-border: oklch(42% 0.025 255);
  --nk-color-primary: oklch(72% 0.1 255);
  --nk-color-primary-foreground: oklch(22% 0.03 255);
  --nk-color-focus: oklch(72% 0.1 255);
}

/* Desktop icon-rail collapse for the catalog AppShell; mobile drawer is unchanged. */
@media (min-width: 48rem) {
  [data-nk="app-shell"] {
    transition: grid-template-columns 200ms ease-out;
  }

  [data-nk="app-shell"][data-collapsed="true"] {
    --nk-app-shell-sidebar-width: 4rem;
  }

  [data-nk="app-shell"][data-collapsed="true"] [data-slot="app-shell-brand"] {
    justify-content: center;
    padding-inline: calc(var(--nk-space) * 2);
  }

  [data-nk="app-shell"][data-collapsed="true"] .catalog-shell-brand-name {
    display: none;
  }

  [data-nk="app-shell"][data-collapsed="true"] [data-slot="app-navigation-body"] {
    padding-inline: calc(var(--nk-space) * 2);
  }

  [data-nk="app-shell"][data-collapsed="true"] [data-slot="app-navigation-item-label"],
  [data-nk="app-shell"][data-collapsed="true"] [data-slot="app-navigation-item-badge"] {
    display: none;
  }

  [data-nk="app-shell"][data-collapsed="true"] [data-slot="app-navigation-item-link"] {
    justify-content: center;
    padding-inline: calc(var(--nk-space) * 2);
  }

  [data-nk="app-shell"] .catalog-shell-expand-icon {
    display: none;
  }

  [data-nk="app-shell"][data-collapsed="true"] .catalog-shell-collapse-icon {
    display: none;
  }

  [data-nk="app-shell"][data-collapsed="true"] .catalog-shell-expand-icon {
    display: block;
  }
}

/* Settings nav column fits the widest item instead of Nitro Kit's 10–14rem track. */
@media (min-width: 48rem) {
  [data-nk="settings-layout"] {
    grid-template-columns: max-content minmax(0, 1fr);
  }

  [data-nk="settings-layout"] > [data-slot="settings-layout-navigation"] {
    width: max-content;
    padding-inline-end: 50px;
  }
}

/* Connection strength — DESIGN.md. Fill count is the rank; the word is a gloss. */
.connection-strength {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
}

.connection-strength__ticks {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
}

.connection-strength__tick {
  display: block;
  width: 5px;
  height: 11px;
  border-radius: var(--nk-radius-xs);
  background: var(--nk-color-border);
}

.connection-strength__tick.is-filled {
  background: var(--nk-color-primary);
}

.connection-strength__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--nk-color-muted-foreground);
}

.connection-strength[data-filled="4"] .connection-strength__label {
  color: var(--nk-color-primary);
}

/* One responsive gutter for Nitro catalog pages; shell owns viewport geometry. */
[data-ui="catalog-main"] {
  padding: calc(var(--nk-space) * 4);
}

@media (min-width: 48rem) {
  [data-ui="catalog-main"] {
    padding: calc(var(--nk-space) * 6);
  }
}

/* Image proposal preview: reset native dialog chrome; panel is app-positioned. */
dialog[data-image-zoom-modal-target="dialog"] {
  margin: 0;
  padding: 0;
  border: 0;
  max-width: none;
  max-height: none;
  background: transparent;
}

/*
 * Compendium inspector settings: label left, control right on one row.
 * Select uses an app-owned flex wrapper. RadioButtonGroup is a fieldset —
 * Chrome will not keep <legend> on one line with grid/flex, so float.
 */
[data-ui="compendium-settings-row"] {
  --nk-control-height-md: var(--nk-control-height-sm);
  --nk-control-padding-inline: calc(var(--nk-space) * 2);
}

div[data-ui="compendium-settings-row"] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--nk-space) * 3);
}

div[data-ui="compendium-settings-row"] [data-nk="label"] {
  flex: 1 1 auto;
  min-inline-size: 0;
}

div[data-ui="compendium-settings-row"] [data-nk="select"] {
  flex: 0 0 auto;
  min-inline-size: 4rem;
  max-inline-size: 8.5rem;
  inline-size: max-content;
}

div[data-ui="compendium-settings-row"] [data-slot="select-control"] {
  font-size: var(--nk-text-xs);
}

fieldset[data-ui="compendium-settings-row"][data-nk="radio-button-group"] {
  display: block;
}

fieldset[data-ui="compendium-settings-row"][data-nk="radio-button-group"]::after {
  content: "";
  display: table;
  clear: both;
}

fieldset[data-ui="compendium-settings-row"] > [data-slot="radio-button-group-legend"] {
  float: left;
  display: flex;
  align-items: center;
  min-block-size: var(--nk-control-height-sm);
  padding: 0;
  font-size: var(--nk-text-sm);
  font-weight: var(--nk-font-weight-medium);
  line-height: var(--nk-leading-normal);
}

fieldset[data-ui="compendium-settings-row"] > [data-slot="radio-button-group-choices"] {
  float: right;
  margin-block-start: 0;
  max-inline-size: 100%;
}

/*
 * Nitro's segmented track uses --nk-color-muted; the settings card is already
 * muted, so the track disappears. Darken it slightly so the group reads as one
 * control against the card (selected segments stay --nk-color-surface).
 */
fieldset[data-ui="compendium-settings-row"][data-presentation="segmented"]
  > [data-slot="radio-button-group-choices"] {
  background: color-mix(in oklab, var(--nk-color-foreground) 8%, var(--nk-color-muted));
}

/*
 * Compendium reorder (Collapse & hairline — Variant A).
 * Shared by Block canvas, FactList, and future People gallery via
 * data-controller="compendium-reorderable".
 */
[data-controller~="compendium-reorderable"] {
  position: relative;
}

[data-controller~="compendium-reorderable"][data-dragging] {
  user-select: none;
}

[data-controller~="compendium-reorderable"][data-dragging][data-drop-target-ring="true"] {
  outline: 2px solid color-mix(in oklab, var(--nk-color-primary) 45%, transparent);
  outline-offset: 4px;
  border-radius: var(--nk-radius-md);
}

[data-controller~="compendium-reorderable"][data-dragging] [data-dragging-item] {
  position: relative;
  z-index: 10;
  opacity: 0.55;
  transition: opacity var(--nk-duration-fast) var(--nk-ease);
}

[data-controller~="compendium-reorderable"][data-dragging] > :not([data-compendium-drop-indicator]) {
  will-change: transform;
}

/* Absolutely positioned drop hairline (coords set by Stimulus). */
[data-compendium-drop-indicator] {
  position: absolute;
  z-index: 20;
  list-style: none;
  padding: 0;
  margin: 0;
  border: 0;
  pointer-events: none;
}

[data-compendium-drop-indicator]::before {
  content: "";
  position: absolute;
  border-radius: var(--nk-radius-xs);
  background: var(--nk-color-primary);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--nk-color-primary) 35%, transparent);
}

[data-compendium-drop-indicator][data-orientation="horizontal"]::before {
  inset-inline: 0;
  top: -1px;
  block-size: 2px;
}

[data-compendium-drop-indicator][data-orientation="vertical"]::before {
  inset-block: 0;
  left: -1px;
  inline-size: 2px;
}

/*
 * Selected-block insert slots. Hairline + plus sit in the gaps above and below
 * the card column (not grip / move controls). Hidden until the pointer is in the
 * upper or lower 25% of the card (.is-revealed), then fade in. Gap midpoint
 * matches canvas grid gap-4 (1rem).
 */
.compendium-insert-slot {
  position: absolute;
  z-index: 15;
  inset-inline: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  block-size: 1.75rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--nk-duration-normal, 150ms) var(--nk-ease, ease);
}

.compendium-insert-slot.is-revealed,
.compendium-insert-slot:focus-within {
  opacity: 1;
  pointer-events: auto;
}

.compendium-insert-slot--above {
  top: -0.5rem;
  translate: 0 -50%;
}

.compendium-insert-slot--below {
  bottom: -0.5rem;
  translate: 0 50%;
}

.compendium-insert-slot__line {
  position: absolute;
  inset-inline: 0;
  top: 50%;
  block-size: 2px;
  margin-block-start: -1px;
  border-radius: var(--nk-radius-xs);
  background: color-mix(in oklab, var(--nk-color-primary) 40%, var(--nk-color-border));
}

.compendium-insert-slot__button {
  position: relative;
  z-index: 1;
  inline-size: 1.75rem;
  block-size: 1.75rem;
  min-inline-size: 1.75rem;
  padding: 0;
}

[data-controller~="compendium-reorderable"][data-dragging] .compendium-insert-slot {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-controller~="compendium-reorderable"][data-dragging] [data-dragging-item] {
    transition: none;
  }

  .compendium-insert-slot {
    transition: none;
  }
}

/* Read toolbar: Compendium theme chooser keeps an accessible legend, visually quiet. */
[data-ui="compendium-theme-chooser"] [data-slot="radio-button-group-legend"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

[data-ui="compendium-theme-chooser"] [data-nk="radio-button-group"] {
  margin: 0;
  gap: 0;
}