/*
 * Oslo kommune theme for Zensical
 *
 * Applies Punkt design tokens to Zensical's built-in theme variables.
 * Depends on punkt-tokens.css being loaded first.
 */

/* ============================================================================
 * Color scheme — map Punkt tokens to Zensical/Material CSS variables
 * ========================================================================= */

/* Custom primary/accent via data attributes */
[data-md-color-scheme='default'] {
  /* Primary — white header with dark blue text (like km.oslo.systems) */
  --md-primary-fg-color: var(--pkt-color-brand-neutrals-white);
  --md-primary-fg-color--light: var(--pkt-color-brand-neutrals-white);
  --md-primary-fg-color--dark: var(--pkt-color-brand-neutrals-white);
  --md-primary-bg-color: var(--pkt-color-brand-dark-blue-1000);

  /* Accent = Oslo warm blue (interactive/active) */
  --md-accent-fg-color: var(--pkt-color-brand-warm-blue-1000);
  --md-accent-fg-color--transparent: var(--pkt-color-surface-subtle-pale-blue);
  --md-accent-bg-color: var(--pkt-color-brand-warm-blue-1000);
  --md-accent-bg-color--light: var(--pkt-color-surface-subtle-pale-blue);

  /* Default text and background */
  --md-default-fg-color: var(--pkt-color-text-body-default);
  --md-default-fg-color--light: var(--pkt-color-brand-dark-blue-700);
  --md-default-fg-color--lighter: var(--pkt-color-grays-400);
  --md-default-fg-color--lightest: var(--pkt-color-grays-200);
  --md-default-bg-color: var(--pkt-color-background-default);
  --md-default-bg-color--light: var(--pkt-color-background-subtle);
  --md-default-bg-color--lighter: var(--pkt-color-brand-neutrals-200);
  --md-default-bg-color--lightest: var(--pkt-color-grays-100);

  /* Code blocks */
  --md-code-bg-color: var(--pkt-color-background-subtle);
  --md-code-fg-color: var(--pkt-color-text-body-default);
  --md-code-hl-color: var(--pkt-color-brand-blue-300);

  /* Typeset link color */
  --md-typeset-a-color: var(--pkt-color-brand-warm-blue-1000);
}

/* ============================================================================
 * Typography — Oslo Sans as the main text font
 * ========================================================================= */

:root {
  --md-text-font: 'Oslo Sans', arial, sans-serif;
  --md-code-font: 'JetBrains Mono', 'SFMono-Regular', 'Consolas', monospace;
}

/* Body defaults per Punkt guidelines */
.md-typeset {
  font-weight: 300;
  letter-spacing: normal;
  line-height: 1.5;
  color: var(--pkt-color-text-body-default);
}

/* Heading hierarchy — scaled down from Punkt desktop for doc readability */
.md-typeset h1 {
  font-size: 1.75rem; /* 28px */
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.2px;
  color: var(--pkt-color-text-body-default);
}

.md-typeset h2 {
  font-size: 1.375rem; /* 22px */
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.2px;
}

.md-typeset h3 {
  font-size: 1rem; /* 16px */
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.2px;
}

.md-typeset h4 {
  font-size: 0.875rem; /* 14px */
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.2px;
}

.md-typeset h5 {
  font-size: 0.8125rem; /* 13px */
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.2px;
}

.md-typeset h6 {
  font-size: 0.8125rem; /* 13px */
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.2px;
}

/*
 * Permalink anchors (¶) must not take up layout space. Otherwise, when a
 * heading almost fills the content column, the invisible anchor wraps alone
 * onto a second line and renders as phantom vertical whitespace below the
 * heading. Zero width removes the layout footprint; the padding/negative
 * margin pair keeps a clickable hit area without re-adding any advance.
 */
.md-typeset .headerlink {
  display: inline-block;
  width: 0;
  padding-right: 1.2em;
  margin-right: -1.2em;
  overflow: visible;
  white-space: nowrap;
}

/* Bold text uses medium weight per Punkt */
.md-typeset strong,
.md-typeset b {
  font-weight: 500;
}

/* ============================================================================
 * Links — Oslo design profile
 * ========================================================================= */

.md-typeset a {
  color: var(--pkt-color-text-action-normal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

.md-typeset a:hover,
.md-typeset a:focus {
  color: var(--pkt-color-text-action-hover);
}

/* Navigation and header links should not be underlined */
.md-header a,
.md-nav a,
.md-footer a,
.md-tabs a {
  text-decoration: none;
}

/* ============================================================================
 * Admonitions — Punkt Alert style (left border only, no rounded corners)
 * ========================================================================= */

/* Base — match .pkt-alert: left border, flat corners, no shadow */
.md-typeset .admonition,
.md-typeset details {
  border: none;
  border-left: 0.25rem solid var(--pkt-color-border-blue);
  border-radius: 0;
  box-shadow: none;
  background-color: var(--pkt-color-surface-default-light-blue);
}

/* Title/summary — transparent background, no extra border */
.md-typeset .admonition-title,
.md-typeset summary {
  background-color: transparent;
  border: none;
  border-radius: 0;
}

/* Note (default) — blue */
.md-typeset .admonition.note,
.md-typeset details.note {
  border-left-color: var(--pkt-color-border-blue);
  background-color: var(--pkt-color-surface-default-light-blue);
}

/* Tip/hint — green (maps to Punkt success) */
.md-typeset .admonition.tip,
.md-typeset details.tip,
.md-typeset .admonition.hint,
.md-typeset details.hint {
  border-left-color: var(--pkt-color-border-green);
  background-color: var(--pkt-color-surface-default-light-green);
}

/* Warning/caution — yellow */
.md-typeset .admonition.warning,
.md-typeset details.warning,
.md-typeset .admonition.caution,
.md-typeset details.caution {
  border-left-color: var(--pkt-color-border-yellow);
  background-color: var(--pkt-color-surface-default-yellow);
}

/* Danger/error — red */
.md-typeset .admonition.danger,
.md-typeset details.danger,
.md-typeset .admonition.error,
.md-typeset details.error {
  border-left-color: var(--pkt-color-border-red);
  background-color: var(--pkt-color-surface-default-faded-red);
}

/* Failure/missing/bug — red */
.md-typeset .admonition.failure,
.md-typeset details.failure,
.md-typeset .admonition.missing,
.md-typeset details.missing,
.md-typeset .admonition.bug,
.md-typeset details.bug {
  border-left-color: var(--pkt-color-border-red);
  background-color: var(--pkt-color-surface-default-faded-red);
}

/* Info — blue */
.md-typeset .admonition.info,
.md-typeset details.info {
  border-left-color: var(--pkt-color-border-blue);
  background-color: var(--pkt-color-surface-default-light-blue);
}

/* Example — beige (no Punkt Alert equivalent) */
.md-typeset .admonition.example,
.md-typeset details.example {
  border-left-color: var(--pkt-color-brand-dark-beige-1000);
  background-color: var(--pkt-color-surface-default-light-beige);
}

/* ============================================================================
 * Header — white background, Oslo design profile
 * ========================================================================= */

.md-header {
  background-color: var(--pkt-color-brand-neutrals-white);
  color: var(--pkt-color-text-body-default);
}

/* No drop shadow — Oslo design uses borders, not shadows */
.md-header--shadow {
  box-shadow: none;
  border-bottom: 1px solid var(--pkt-color-border-subtle);
}

.md-header a,
.md-header .md-icon,
.md-header .md-header__title,
.md-header .md-header__topic,
.md-header .md-header__ellipsis,
.md-header label {
  color: var(--pkt-color-text-body-default);
}

/* Site title — normal weight */
.md-header__topic:first-child {
  font-weight: 400;
}

/* Oslo kommune logo */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.4rem;
}

/* Search button — styled as a Punkt-like input field */
@media screen and (min-width: 45em) {
  .md-search__button {
    border-radius: 0;
    background-color: var(--pkt-color-brand-neutrals-white);
    border: 2px solid var(--pkt-color-text-body-default);
    color: var(--pkt-color-text-body-default);
    line-height: 1.6rem;
  }

  .md-search__button:hover,
  .md-search__button:focus {
    background-color: var(--pkt-color-brand-neutrals-white);
    border-color: var(--pkt-color-text-action-hover);
    color: var(--pkt-color-text-body-default);
  }

  .md-search__button:before {
    background-color: var(--pkt-color-text-body-default);
    top: 50%;
    transform: translateY(-50%);
  }

  .md-search__button:after {
    border-radius: 0;
    background: transparent;
    color: var(--pkt-color-text-body-default);
    top: 50%;
    transform: translateY(-50%);
  }
}

/* Buttons — sharp corners per Punkt */
.md-typeset .md-button {
  border-radius: 0;
}

/* ============================================================================
 * Navigation tabs
 * ========================================================================= */

.md-tabs {
  background-color: var(--pkt-color-brand-neutrals-white);
  color: var(--pkt-color-text-body-default);
  border-bottom: 1px solid var(--pkt-color-border-subtle);
}

.md-tabs a,
.md-tabs .md-tabs__link {
  color: var(--pkt-color-text-body-default);
  opacity: 0.7;
}

.md-tabs a:hover,
.md-tabs .md-tabs__link--active,
.md-tabs .md-tabs__item--active .md-tabs__link {
  color: var(--pkt-color-text-body-default);
  opacity: 1;
}

.md-tabs a:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* Active tab — underline close to text */
.md-tabs .md-tabs__item--active {
  border-bottom: none;
}

.md-tabs .md-tabs__item--active .md-tabs__link {
  text-decoration: underline;
  text-decoration-color: var(--pkt-color-brand-blue-1000);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3em;
}

/* ============================================================================
 * Sidebar navigation
 * ========================================================================= */

/* Nav links — sharp corners, underline-only hover */
.md-nav__link {
  border-radius: 0;
}

.md-nav--primary .md-nav__link[href]:hover:not(.md-nav__link--active),
.md-nav--primary .md-nav__link[href]:focus:not(.md-nav__link--active) {
  background-color: transparent;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* Section toggles (labels) — no underline or background on any state */
.md-nav--primary .md-nav__link[for]:hover:not(.md-nav__link--active),
.md-nav--primary .md-nav__link[for]:focus:not(.md-nav__link--active),
.md-nav--primary .md-nav__link[for]:focus-visible:not(.md-nav__link--active),
.md-nav--primary .md-nav__link[for]:active:not(.md-nav__link--active) {
  background-color: transparent;
  text-decoration: none;
  color: var(--pkt-color-text-body-default);
}

/* Active nav link — Punkt light blue background */
.md-nav--primary .md-nav__item .md-nav__link--active {
  background: var(--pkt-color-brand-blue-100);
}

/* Nested nav list (level 2+) — continuous gray left border, aligned with level 1 text */
.md-nav--primary .md-nav .md-nav .md-nav__list {
  border-left: 1px solid var(--pkt-color-border-gray);
  margin-left: 1rem;
  padding-top: 0;
  padding-left: 0;
}

/* Remove spacing before/after nested items so gray line aligns with active marker */
.md-nav--primary .md-nav .md-nav .md-nav__list::before,
.md-nav--primary .md-nav .md-nav .md-nav__list::after {
  display: none;
}

/* Nested nav links flush against the gray line */
.md-nav--primary .md-nav .md-nav .md-nav__link {
  margin-left: 0;
}

/* Active nav link — Punkt-style: blue left border next to gray line */
.md-nav__item .md-nav__link--active {
  background-color: var(--pkt-color-brand-blue-100);
  border-left: 3px solid var(--pkt-color-brand-blue-1000);
  font-weight: 500;
  color: var(--pkt-color-text-body-default);
}

/* Section labels (folders) — bold like Punkt sidebar headings */
.md-nav--primary label.md-nav__link {
  font-weight: 500;
  color: var(--pkt-color-text-body-default);
}

/* Source link in sidebar */
.md-nav__source {
  border-radius: 0;
}

/* ============================================================================
 * Global — remove all remaining rounded corners
 * ========================================================================= */

/* Edit button, clipboard button, content action buttons */
.md-content__button,
.md-clipboard {
  border-radius: 0;
  background-color: transparent;
}

/* Tags */
.md-typeset .md-tag {
  border-radius: 0;
}

/* Tooltips and dropdowns */
.md-tooltip,
.md-tooltip2__inner,
.md-select__inner,
.md-select__list {
  border-radius: 0;
  box-shadow: none;
  border: 1px solid var(--pkt-color-border-subtle);
}

/* Code navigation buttons */
.md-code__nav {
  border-radius: 0;
}

/* Permalink anchors — scale down from heading size, align to text baseline */
.md-typeset .headerlink {
  font-size: 0.75em;
  position: relative;
  top: -0.2em;
}

/* ============================================================================
 * Layout refinements
 * ========================================================================= */

/* Content width — narrower for comfortable reading */
.md-grid {
  max-width: 61rem; /* ~976px */
}

/* ============================================================================
 * Code blocks
 * ========================================================================= */

.md-typeset code {
  border-radius: 0;
  padding: 0.05em 0.35em;
}

.md-typeset pre > code {
  padding: var(--pkt-spacing-16);
  border-radius: 0;
}

/* ============================================================================
 * Tables
 * ========================================================================= */

.md-typeset table:not([class]) th {
  background-color: var(--pkt-color-surface-default-gray);
  color: var(--pkt-color-text-body-default);
  font-weight: 500;
}

.md-typeset table:not([class]) {
  border: 1px solid var(--pkt-color-border-subtle);
}

/* ============================================================================
 * Footer meta — dark blue background, white text (copyright bar)
 * ========================================================================= */

.md-footer-meta {
  background-color: var(--pkt-color-brand-dark-blue-1000);
}

.md-copyright,
.md-copyright__highlight {
  color: var(--pkt-color-brand-neutrals-white);
}

html .md-footer-meta.md-typeset a,
html .md-footer-meta.md-typeset a:not(:focus, :hover) {
  color: var(--pkt-color-brand-neutrals-white);
}

html .md-footer-meta.md-typeset a:hover,
html .md-footer-meta.md-typeset a:focus {
  color: var(--pkt-color-brand-blue-300);
}

.md-footer-meta .md-social__link svg {
  fill: var(--pkt-color-brand-neutrals-white);
}

/* ============================================================================
 * Grid cards — Punkt style (sharp corners, border instead of shadow)
 * ========================================================================= */

/* Card container — light beige filled rectangle, no border */
.md-typeset .grid.cards > ol > li,
.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  border: none;
  border-radius: 0;
  box-shadow: none;
  background-color: var(--pkt-color-surface-default-light-beige);
}

.md-typeset .grid.cards > ol > li:hover,
.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid > .card:hover {
  box-shadow: none;
}

/* ============================================================================
 * Search dialog
 *
 * Zensical renders the search dialog inside a closed shadow DOM.
 * Styles are injected via a script in docs/overrides/main.html that
 * intercepts attachShadow and appends Punkt overrides.
 * ========================================================================= */