/*
  Layout+identitet styres av <html data-layout="..."> (satt fra cookien
  "layout", med RECIPE_LAYOUT i .env som standardverdi før besøkeren har
  valgt noe selv — se app/__init__.py og app/routes.py). Bytteknappen
  nederst på siden (static/js/layout-switch.js) setter cookien og laster
  siden på nytt.

  Tre varianter, hver med egen farge+type+struktur:
    registeret  — typografisk indeks, ingen kort
    menytavla   — gruppert etter kategori, meny-rytme
    kartoteket  — søk/filter, verktøypreget
*/

/*
  Selvhostede fonter (app/static/fonts/) — ikke systemfont-stabler.
  Iowan Old Style/Georgia o.l. finnes ikke på Linux og faller tilbake på
  en generisk, stygg serif. Bare latin-tegnsettet er hentet ned (dekker
  æøå), ingen ekstern forespørsel ved kjøring.
*/

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/source-serif-4-regular.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/source-serif-4-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/fraunces-bold.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --paper: #f1efe9;
  --ink: #211f1a;
  --ink-soft: #6f6a5e;
  --line: #ddd8c9;
  --accent: #33465c;
  --accent-soft: #e6eaee;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --heading-font: var(--serif);
  --heading-weight: 400;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #191814;
    --ink: #e9e5da;
    --ink-soft: #9c968a;
    --line: #332f27;
    --accent: #8ba3bd;
    --accent-soft: #1f2a33;
  }
}

html[data-layout="menytavla"] {
  --paper: #eee6d8;
  --ink: #241a12;
  --ink-soft: #7c6b57;
  --line: #ddceb0;
  --accent: #8a3324;
  --accent-soft: #f1e0d8;
  --heading-font: "Fraunces", Georgia, "Times New Roman", serif;
  --heading-weight: 700;
}

@media (prefers-color-scheme: dark) {
  html[data-layout="menytavla"] {
    --paper: #1c1611;
    --ink: #f0e6d8;
    --ink-soft: #b3a48f;
    --line: #3a2f22;
    --accent: #d98567;
    --accent-soft: #2c1f17;
  }
}

html[data-layout="kartoteket"] {
  --paper: #f4f5f5;
  --ink: #15181a;
  --ink-soft: #5f6669;
  --line: #dfe3e3;
  --accent: #3a6b6e;
  --accent-soft: #e4eeee;
  --heading-font: var(--sans);
  --heading-weight: 600;
}

@media (prefers-color-scheme: dark) {
  html[data-layout="kartoteket"] {
    --paper: #101314;
    --ink: #eef1f1;
    --ink-soft: #8b9598;
    --line: #2a3032;
    --accent: #7fbcbf;
    --accent-soft: #182322;
  }
}

/*
  Fluid overgang mellom sider (og mellom layout-varianter, som reloader
  siden — se layout-switch.js) via cross-document View Transitions.
  Rene CSS-progressive-enhancement: nettlesere uten støtte (Firefox,
  eldre Safari) ignorerer bare @view-transition og navigerer som normalt.
*/
@view-transition {
  navigation: auto;
}

/* alle navngitte overganger (root, bytteknapp, oppskrift-elementer under)
   deler samme varighet/kurve, slik at ingenting føles usynkronisert */
::view-transition-group(*) {
  animation-duration: 420ms;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

/* root krysses ikke bare over - den løses opp i en myk uskarphet og
   smelter sammen, i stedet for et rent opacity-kutt. Standard (ingen
   kjent retning, f.eks. første sidelast): rett dissolve. */
@keyframes vt-blend-out {
  to {
    opacity: 0;
    filter: blur(10px);
  }
}

@keyframes vt-blend-in {
  from {
    opacity: 0;
    filter: blur(10px);
  }
}

::view-transition-old(root) {
  animation: 420ms cubic-bezier(0.22, 1, 0.36, 1) both vt-blend-out;
}

::view-transition-new(root) {
  animation: 420ms cubic-bezier(0.22, 1, 0.36, 1) both vt-blend-in;
}

/* Retningsbevisst variant: satt av goTo() i layout-switch.js (knapp
   eller swipe) rett før reload, videreført via sessionStorage til neste
   side sitt blocking-script i <head>. Gir en faktisk "gli forbi"-følelse
   i stedet for en statisk blur-fade på stedet. */
@keyframes vt-old-forward {
  to {
    transform: translateX(-4%) scale(0.98);
    opacity: 0;
    filter: blur(8px);
  }
}

@keyframes vt-new-forward {
  from {
    transform: translateX(4%) scale(0.98);
    opacity: 0;
    filter: blur(8px);
  }
  to {
    transform: translateX(0) scale(1);
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes vt-old-backward {
  to {
    transform: translateX(4%) scale(0.98);
    opacity: 0;
    filter: blur(8px);
  }
}

@keyframes vt-new-backward {
  from {
    transform: translateX(-4%) scale(0.98);
    opacity: 0;
    filter: blur(8px);
  }
  to {
    transform: translateX(0) scale(1);
    opacity: 1;
    filter: blur(0);
  }
}

:root[data-vt-direction="forward"]::view-transition-old(root) {
  animation-name: vt-old-forward;
}

:root[data-vt-direction="forward"]::view-transition-new(root) {
  animation-name: vt-new-forward;
}

:root[data-vt-direction="backward"]::view-transition-old(root) {
  animation-name: vt-old-backward;
}

:root[data-vt-direction="backward"]::view-transition-new(root) {
  animation-name: vt-new-backward;
}

/* bytteknappen skal ikke tones ut/inn med resten av siden - den er fast krom */
.layout-switch {
  view-transition-name: layout-switch;
}

.wordmark {
  view-transition-name: vt-wordmark;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 5.5rem; /* rom til den flytende bytteknappen */
}

.wrap {
  max-width: 50rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: inherit;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   Delt krom: header, footer, tilbake-lenke, tomme tilstander
   ============================================================ */

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  height: 4.5rem;
}

.wordmark {
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
}

.site-footer {
  margin-top: 5rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.85rem;
}

main.wrap {
  padding-top: 3rem;
  padding-bottom: 3rem;
  min-height: 50vh;
}

.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-decoration: none;
  margin-bottom: 2rem;
}

.back-link:hover {
  color: var(--accent);
}

.empty {
  color: var(--ink-soft);
}

.not-found {
  text-align: center;
  padding: 4rem 0;
}

.not-found h1 {
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
  font-size: 3rem;
  margin: 0 0 0.5rem;
}

/* ============================================================
   Bytteknapp — flytende, samme på alle sider/layouter
   ============================================================ */

.layout-switch {
  position: fixed;
  left: 50%;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  width: min(92vw, 23rem);
  padding: 3px;
  border-radius: 999px;
  background: rgba(127, 122, 110, 0.14);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(127, 122, 110, 0.22);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
}

/* På ekte touch-enheter (ikke bare smale desktop-vinduer) er baren
   skjult til man begynner å swipe - se touchmove/touchend i
   layout-switch.js. Vanlig mus/tastatur-bruk ser den alltid. */
@media (hover: none) and (pointer: coarse) {
  .layout-switch {
    opacity: 0;
    transform: translate(-50%, 12px);
    pointer-events: none;
    transition: opacity 200ms ease, transform 200ms ease;
  }

  .layout-switch.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
    pointer-events: auto;
  }
}

.layout-switch__indicator {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc((100% - 6px) / 3);
  border-radius: 999px;
  background: var(--ink);
  transform: translateX(calc(var(--i, 0) * 100%));
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .layout-switch__indicator {
    transition: none;
  }
}

.layout-switch__btn {
  position: relative;
  z-index: 1;
  flex: 1;
  appearance: none;
  background: none;
  border: none;
  color: var(--ink);
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  padding: 0.65rem 0.5rem;
  cursor: pointer;
  border-radius: 999px;
  transition: color 200ms ease;
}

.layout-switch__btn.is-active {
  color: var(--paper);
  font-weight: 600;
}

.layout-switch__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.layout-switch__btn:disabled {
  cursor: default;
}

/* ============================================================
   REGISTERET — typografisk indeks
   ============================================================ */

.idx-list {
  max-width: 36rem;
  margin: 0 auto;
  font-family: var(--serif);
}

.idx-group {
  margin-bottom: 0.25rem;
}

.idx-letter {
  font-size: 3rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.35;
  margin: 1.75rem 0 0.4rem;
  font-weight: 400;
}

.idx-group:first-child .idx-letter {
  margin-top: 0;
}

.idx-row {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line);
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
}

.idx-group .idx-row:last-child {
  border-bottom: 1px solid var(--line);
}

.idx-row:hover .idx-title {
  color: var(--accent);
}

.idx-title {
  flex: none;
  max-width: 70%;
}

.idx-leader {
  flex: 1;
  border-bottom: 1px dotted var(--ink-soft);
  height: 0.5em;
  opacity: 0.6;
}

.idx-meta {
  flex: none;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: right;
}

.idx-detail {
  max-width: 36rem;
  margin: 0 auto;
  font-family: var(--serif);
}

.idx-detail h1 {
  font-size: 1.9rem;
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 1.75rem;
}

.idx-detail-grid {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 2.25rem;
}

@media (max-width: 40rem) {
  .idx-detail-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .idx-margin {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-right: 0;
    padding-bottom: 1.25rem;
  }
}

.idx-margin {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--ink-soft);
  border-right: 1px solid var(--line);
  padding-right: 1.5rem;
}

.idx-label {
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  font-style: normal;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  font-family: var(--sans);
  color: var(--ink-soft);
}

.idx-margin ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.idx-margin li {
  padding: 0.25rem 0;
}

.idx-method {
  counter-reset: idx-step;
}

.idx-method p:not(.idx-label) {
  margin: 0 0 1rem;
  counter-increment: idx-step;
}

.idx-method p:not(.idx-label)::before {
  content: counter(idx-step) ". ";
  color: var(--accent);
  font-family: var(--sans);
  font-weight: 600;
}

.idx-notes {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-style: italic;
}

/* ============================================================
   MENYTAVLA — gruppert etter kategori
   ============================================================ */

.menu-board {
  columns: 2 16rem;
  column-gap: 3rem;
  max-width: 48rem;
  margin: 0 auto;
}

@media (max-width: 30rem) {
  .menu-board {
    columns: 1;
  }
}

.menu-section {
  break-inside: avoid;
  margin-bottom: 2rem;
}

.menu-section h2 {
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.5rem;
  margin: 0 0 0.75rem;
}

.menu-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.45rem 0;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--ink);
}

.menu-row:hover span:first-child {
  color: var(--accent);
}

.menu-leader {
  flex: 1;
  border-bottom: 1px dotted var(--ink-soft);
  height: 0.5em;
  opacity: 0.5;
}

.menu-time {
  flex: none;
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.menu-detail {
  max-width: 36rem;
  margin: 0 auto;
}

.menu-detail h1 {
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.menu-tag {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.75rem;
}

.menu-label {
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.6rem;
}

.menu-ingredients {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  columns: 2 13rem;
  column-gap: 2rem;
}

.menu-ingredients li {
  padding: 0.4rem 0;
  border-top: 1px dotted var(--line);
  break-inside: avoid;
  font-size: 0.95rem;
}

.menu-method {
  list-style: none;
  counter-reset: menu-step;
  margin: 0;
  padding: 0;
}

.menu-method li {
  counter-increment: menu-step;
  display: flex;
  gap: 0.6rem;
  padding: 0.55rem 0;
  border-top: 1px dotted var(--line);
}

.menu-method li::before {
  content: counter(menu-step) ".";
  flex: none;
  color: var(--accent);
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
}

.menu-notes {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ============================================================
   KARTOTEKET — søk/filter, verktøypreget
   ============================================================ */

.cat-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 1.1rem;
}

.cat-search {
  flex: 1;
  min-width: 12rem;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.6rem 0.8rem;
}

.cat-search::placeholder {
  color: var(--ink-soft);
}

.cat-search:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cat-chip {
  appearance: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
}

.cat-chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.cat-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cat-count {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin: 0 0 0.75rem;
  font-variant-numeric: tabular-nums;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cat-card {
  background: var(--paper);
  padding: 0.9rem 1rem;
  text-decoration: none;
  color: var(--ink);
  display: block;
}

.cat-card:hover {
  background: var(--accent-soft);
}

.cat-card-title {
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
  font-size: 0.92rem;
  margin: 0 0 0.4rem;
}

.cat-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
}

.cat-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  text-align: center;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.cat-noscript {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.cat-noscript li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--line);
}

.cat-detail {
  max-width: 24rem;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: var(--paper);
  position: relative;
  padding: 2.25rem 1.75rem 1.75rem;
}

.cat-detail::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 1.75rem;
  width: 3.5rem;
  height: 0.6rem;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-top: none;
}

.cat-detail-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
}

.cat-detail h1 {
  font-family: var(--heading-font);
  font-weight: var(--heading-weight);
  font-size: 1.5rem;
  margin: 0 0 1.4rem;
}

.cat-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
}

.cat-check-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  border-top: 1px solid var(--line);
}

.cat-check-list li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
}

.cat-check-list input {
  accent-color: var(--accent);
  margin: 0;
}

.cat-check-list input:checked + label {
  color: var(--ink-soft);
  text-decoration: line-through;
}

.cat-method {
  list-style: none;
  counter-reset: cat-step;
  margin: 0;
  padding: 0;
}

.cat-method li {
  counter-increment: cat-step;
  display: flex;
  gap: 0.7rem;
  padding: 0.5rem 0;
  font-size: 0.85rem;
}

.cat-method li::before {
  content: counter(cat-step, decimal-leading-zero);
  flex: none;
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.75rem;
  padding-top: 0.15rem;
}

.cat-notes {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}
