/* Sikkerhetsfestivalen 2026 — programkalender
   Tokens follow the Claude Design source: warm orange masthead, Montserrat for
   text, IBM Plex Mono for anything clock-like. */

:root {
  --brand: #e8850f;
  --brand-deep: #d96f07;
  --brand-ink: #b25f06;
  --ink: #1d1d1b;
  --ink-soft: #3a3a37;
  --ink-mute: #6b6b66;
  --ink-faint: #8e8e88;
  --label: #9a9a94;
  --line: #e6e6e4;
  --line-strong: #e0e0dd;
  --line-soft: #ececea;
  --paper: #ffffff;
  --pill: #0d7d70;
  --now: #e11900;

  --gutter-w: 58px;
  --col-w: 176px;
  --head-h: 46px;
  --slot-h: 8.5px;          /* 5 minutes; 1.7px per minute, as designed */

  --sans: Montserrat, system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

@media (max-width: 720px) {
  :root { --col-w: 150px; --slot-h: 11px; }   /* 2.2px per minute */
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { margin: 0; padding: 0; height: 100%; background: var(--paper); }

/* How many title lines fit in a card is worked out at build time from a known
   font size, so iOS must not be left free to inflate the text on its own. */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  color: var(--ink);
  overflow: hidden;
}

a { color: #de7a10; text-decoration: none; }
a:hover { color: var(--brand-ink); }

:focus-visible { outline: 2px solid var(--brand-deep); outline-offset: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------------ shell */

.app { height: 100dvh; display: flex; flex-direction: column; overflow: hidden; }

.masthead {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; flex-shrink: 0;
  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
}

.masthead__title {
  flex: 1; text-align: center;
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.back {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 32px; padding: 6px 12px 6px 8px;
  border: 1px solid rgba(255, 255, 255, 0.55); border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff; font: inherit; font-size: 12px; font-weight: 600; cursor: pointer;
}
.back:hover { background: rgba(255, 255, 255, 0.24); color: #fff; }
.back__chevron { font-size: 14px; line-height: 1; }

.lang {
  flex-shrink: 0; display: inline-flex; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.55); border-radius: 999px;
  background: transparent; padding: 0; cursor: pointer;
  font: inherit; font-size: 10px; font-weight: 700; letter-spacing: 0.06em;
}
.lang span { padding: 4px 8px; color: rgba(255, 255, 255, 0.75); }
.lang__on { background: rgba(255, 255, 255, 0.9); color: var(--brand-deep) !important; }
html[lang="en"] .lang__on { background: transparent; color: rgba(255, 255, 255, 0.75) !important; }
html[lang="en"] .lang__off { background: rgba(255, 255, 255, 0.9); color: var(--brand-deep); }

/* ------------------------------------------------------------- day picker */

.dayhead {
  padding: 12px 14px; flex-shrink: 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.days { display: flex; gap: 8px; margin: 0; padding: 0; list-style: none; }

.day {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 1px;
  padding: 8px 10px; border-radius: 999px; text-align: center;
  border: 1px solid #d8d8d4; background: var(--paper); color: #5c5c58;
}
.day:hover { color: #5c5c58; border-color: #c4c4bf; }
.day.is-current {
  background: var(--brand); border-color: var(--brand-deep); color: #fff;
}
.day.is-current:hover { color: #fff; }
.day__dow { font-size: 12px; font-weight: 600; }
.day__date { font-size: 11px; font-weight: 400; opacity: 0.72; }

/* --------------------------------------------------------- track legend */

.tracks {
  display: flex; gap: 8px; align-items: center;
  margin: 0; padding: 9px 14px; list-style: none;
  overflow-x: auto; flex-shrink: 0;
  background: var(--paper); border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

/* Keep the list semantics: display:contents can drop them in some AT. */
.tracks li { display: flex; flex-shrink: 0; }

.chip {
  flex-shrink: 0; white-space: nowrap;
  padding: 5px 12px; border-radius: 999px;
  font: inherit; font-size: 11px; font-weight: 600;
  color: var(--track); border: 1px solid var(--track); background: #fff;
}
.chip--solid { background: color-mix(in srgb, var(--track) 8%, #fff); }

/* The reset chip belongs to no track, so it borrows the neutral ink and reads
   as pressed whenever nothing is filtered - which is the default state. */
.chip--reset { --track: var(--ink-mute); }

button.chip { cursor: pointer; transition: opacity 0.12s ease, background-color 0.12s ease; }
button.chip:hover { background: color-mix(in srgb, var(--track) 10%, #fff); }

/* Chosen tracks read as filled; the rest recede without disappearing, so the
   legend still shows what else the day has to offer. */
.chip[aria-pressed="true"] {
  background: var(--track); color: #fff; border-color: var(--track);
}
.chip[aria-pressed="true"]:hover { background: var(--track); }
.chip.is-muted { opacity: 0.4; }

/* Filtering removes rather than de-emphasises: a session outside the selection
   leaves the layout entirely, and with it the accessibility tree. #filter-status
   announces the result, which is the only thing left to go on. */
.session.is-filtered-out { display: none; }
.session { transition: filter 0.15s ease; }

@media (prefers-reduced-motion: reduce) {
  .session, button.chip { transition: none; }
}

/* ----------------------------------------------------------------- grid */

.grid-scroll {
  flex: 1; overflow: auto; position: relative;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.grid {
  position: relative;
  display: grid;
  /* The track filter overrides --cols to collapse irrelevant rooms to 0px.
     Without JS the fallback gives every room an equal share. */
  grid-template-columns: var(--cols, var(--gutter-w) repeat(var(--rooms), minmax(var(--col-w), 1fr)));
  grid-template-rows: var(--head-h) repeat(var(--slots), var(--slot-h));
  /* Fill the viewport on a sparse day such as Monday, which has only two rooms,
     but never squeeze the columns below their design width - past that the grid
     scrolls sideways instead. --visible-rooms tracks the filter. */
  width: 100%;
  min-width: calc(var(--gutter-w) + var(--visible-rooms, var(--rooms)) * var(--col-w));
}

/* A room with no session in the highlighted track drops out entirely: its
   column is collapsed to 0px and everything anchored to it is removed. */
.grid [data-col].is-collapsed { display: none; }

.grid__corner {
  grid-column: 1; grid-row: 1;
  position: sticky; top: 0; left: 0; z-index: 40;
  display: flex; align-items: flex-end; justify-content: flex-end;
  padding: 0 6px 6px 0;
  background: var(--paper);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.grid__corner abbr {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em;
  color: #a8a8a3; text-decoration: none;
}

.grid__room {
  grid-column: var(--col); grid-row: 1;
  position: sticky; top: 0; z-index: 30;
  margin: 0; padding: 0 9px 5px;
  display: flex; align-items: flex-end;
  font-size: 12px; font-weight: 700; letter-spacing: 0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  background: var(--paper);
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-strong);
}

/* Alternating column tint, painted behind everything. */
.grid__stripe {
  grid-column: var(--col); grid-row: 2 / -1; z-index: 0;
  background: #f7f7f6; border-right: 1px solid var(--line-soft);
}
.grid__stripe:nth-of-type(even) { background: #fbfbfa; }

.grid__rule {
  grid-column: 2 / -1; grid-row: var(--row); z-index: 1;
  height: 1px; border-top: 1px solid #f1f1ef;
}
.grid__rule.is-major { border-top-color: #e3e3e0; }

.grid__hour {
  grid-column: 1; grid-row: var(--row);
  position: sticky; left: 0; z-index: 20;
  margin: -6px 0 0; padding: 0 7px 0 3px;
  justify-self: stretch; text-align: right;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums; color: var(--ink-faint);
  background: var(--paper);
}
/* The topmost label would otherwise be pulled up under the sticky header. */
.grid__hour:first-of-type { margin-top: 0; }

/* The gutter needs a continuous white backdrop while scrolling sideways. */
.grid::before {
  content: ""; grid-column: 1; grid-row: 2 / -1;
  position: sticky; left: 0; z-index: 19;
  background: var(--paper); border-right: 1px solid var(--line-strong);
}

/* ------------------------------------------------------------- sessions */

.session {
  grid-column: var(--col); grid-row: var(--row-start) / var(--row-end);
  z-index: 10; margin: 0 3px 2px; min-width: 0; overflow: hidden;
  border-radius: 6px;
  background: color-mix(in srgb, var(--track) 8%, #fff);
  border: 1px solid color-mix(in srgb, var(--track) 30%, #fff);
  border-left: 4px solid var(--track);
}

.session__link {
  display: flex; gap: 7px; align-items: flex-start;
  height: 100%; padding: 6px 7px; overflow: hidden;
  color: var(--track);
}
.session__link:hover { color: var(--track); }
.session:hover { filter: brightness(0.975); }

.session__avatar {
  width: 22px; height: 22px; flex-shrink: 0; border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.07);
  background-color: #efeee8;
  background-image: repeating-linear-gradient(135deg, #dedcd3 0 3px, #efeee8 3px 6px);
  background-size: cover; background-position: center;
  /* The hatch doubles as the placeholder: it shows through the lazily loaded
     photo until that paints, and stays put for speakers who have none. */
  object-fit: cover;
}

/* --lines is how many lines actually fit in this card, worked out from its
   duration at build time (see titleLines() in _data/site.js). Clamping to the
   real height rather than to a duration bucket keeps long titles legible
   instead of stopping at an arbitrary second line with space to spare. */
.session__title {
  --leading: 1.28;
  font-size: 12px; font-weight: 600; line-height: var(--leading);
  overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical;
  -webkit-line-clamp: var(--lines, 2);
  /* The clamp is what puts the ellipsis on. max-height repeats the same limit
     in plain CSS so that a browser which declines to clamp still cuts between
     two lines rather than slicing through the last one. */
  max-height: calc(var(--lines, 2) * var(--leading) * 1em);
  /* A compound like "Leverandørkjedeangrep" is wider than the column, and would
     otherwise spill sideways out of the card. */
  overflow-wrap: break-word;
}
.session--sm .session__title { font-size: 11px; }

/* Cards so short that a normal line would hang over the edge. Smaller type and
   trimmed padding buy the line enough room to sit inside the card. */
.session--tight .session__link { padding: 1px 6px; }
.session--tight .session__title { --leading: 1.1; font-size: 10px; }

/* Narrow screens stretch the grid to 2.2px per minute, so the same card holds
   more lines. Must track the --slot-h override at the top of this file. */
@media (max-width: 720px) {
  .session__title {
    -webkit-line-clamp: var(--lines-narrow, 2);
    max-height: calc(var(--lines-narrow, 2) * var(--leading) * 1em);
  }
}

/* ---------------------------------------------------------------- bands */

/* Festival-wide items (lunch, breaks, dinners). They sit *under* the session
   blocks: unlike the design mock, real data has talks running through lunch,
   and a band must never hide one. */
.band {
  grid-column: 2 / -1; grid-row: var(--row-start) / var(--row-end);
  z-index: 5; display: flex; align-items: center; pointer-events: none;
}
.band--event {
  background: rgba(232, 133, 15, 0.13);
  border-top: 1px solid rgba(217, 111, 7, 0.42);
  border-bottom: 1px solid rgba(217, 111, 7, 0.42);
}
.band--pause {
  background:
    repeating-linear-gradient(135deg, rgba(13, 125, 112, 0.13) 0 6px, rgba(13, 125, 112, 0.05) 6px 12px),
    #eef5f3;
  border-top: 1px solid rgba(13, 125, 112, 0.35);
  border-bottom: 1px solid rgba(13, 125, 112, 0.35);
}
/* Pinned clear of the gutter rather than to the scrollport. The gutter is an
   opaque sticky column painted above the bands, so a label held at left: 0
   would spend its first 58px of travel hidden underneath it. The inset repeats
   the 12px margin so the label never moves: it is stuck from the first pixel. */
.band__label {
  position: sticky; left: calc(var(--gutter-w) + 12px);
  margin-left: 12px; white-space: nowrap;
  font-size: 12px; font-weight: 700; letter-spacing: 0.01em;
}
.band--event .band__label { color: var(--brand-ink); }
.band--pause .band__label { color: #0d6b60; }

/* ------------------------------------------------------------- now line */

/* Without this the `hidden` attribute loses to `display: flex` below and the
   line shows on days that are not today. */
.now[hidden] { display: none; }

.now {
  position: absolute; left: 0; right: 0; z-index: 25;
  top: calc(var(--head-h) + var(--now-min) * var(--slot-h) / 5);
  display: flex; align-items: center; height: 2px;
  pointer-events: none;
  background: var(--now);
}
.now__time {
  position: sticky; left: 0; z-index: 2; flex-shrink: 0;
  padding: 2px 5px; border-radius: 0 3px 3px 0;
  background: var(--now); color: #fff;
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.04em; font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------- detail view */

.app--detail { overflow: hidden; }

/* The scroller spans the full width, so the wheel works anywhere on the page.
   Capping .detail itself would leave the desktop margins outside any scroll
   container - the reading column lives on the children instead. */
.detail {
  flex: 1; overflow-y: auto; overscroll-behavior: contain;
  width: 100%;
  padding: 18px 16px 40px;
  display: flex; flex-direction: column; gap: 20px;
}

/* 688px = the 720px column the page used to be, less its two 16px gutters. */
.detail > * { width: 100%; max-width: 688px; margin-inline: auto; }

.detail__head { display: flex; flex-direction: column; gap: 12px; }

.detail__meta {
  margin: 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}

.countdown {
  font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--brand-ink);
}
.countdown:empty { display: none; }

.detail h1 {
  margin: 0; font-size: 24px; font-weight: 700; line-height: 1.22;
  letter-spacing: -0.01em; text-wrap: pretty;
}

.pills, .tags { margin: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.tags { gap: 6px; }

.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 13px; border-radius: 999px;
  background: var(--pill); color: #fff;
  font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
}
.pill:first-child { font-family: var(--mono); }
.pill:last-child { text-transform: uppercase; letter-spacing: 0.04em; }

.tag {
  display: inline-flex; align-items: center;
  padding: 4px 10px; border-radius: 4px;
  background: #f2f2f1; border: 1px solid #e4e4e1;
  font-size: 11px; font-weight: 600; color: #5c5c58;
}

.detail__section { display: flex; flex-direction: column; gap: 9px; }

.section__label {
  margin: 0; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--label);
}

.detail__body {
  margin: 0; font-size: 14px; line-height: 1.62; color: var(--ink-soft);
  text-wrap: pretty;
}

.speaker {
  display: flex; flex-direction: column; gap: 12px;
  padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: #fbfbfa;
}
.speaker__head { display: flex; gap: 12px; align-items: center; }
.speaker__photo {
  width: 52px; height: 52px; flex-shrink: 0; border-radius: 50%;
  border: 1px solid #dcdcd8;
  background-color: #f1f1ef;
  background-image: repeating-linear-gradient(135deg, #e2e2df 0 4px, #f1f1ef 4px 8px);
  background-size: cover; background-position: center;
  object-fit: cover;
}
.speaker__who { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.speaker__name { margin: 0; font-size: 14px; font-weight: 700; }
.speaker__tagline { margin: 0; font-size: 12px; font-weight: 400; color: var(--ink-mute); }
.speaker__bio {
  margin: 0; font-size: 13px; line-height: 1.6; color: #4a4a46; text-wrap: pretty;
}

.parallel { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 7px; }
.parallel__item {
  border: 1px solid var(--line); border-left: 4px solid var(--track);
  border-radius: 6px; background: #fff;
}
.parallel__item a {
  display: flex; align-items: center; gap: 11px; padding: 11px 13px; color: var(--ink);
}
.parallel__item a:hover { color: var(--ink); background: #fafaf9; }
.parallel__time {
  flex-shrink: 0; font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--ink-faint);
}
.parallel__title { flex: 1; font-size: 13px; font-weight: 600; min-width: 0; }
.parallel__room {
  font-size: 11px; font-weight: 600; color: var(--ink-faint); white-space: nowrap;
}

/* -------------------------------------------------------------- landing */

.app--landing { overflow: auto; }
.landing {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  align-items: center; gap: 10px; padding: 40px 20px; text-align: center;
}
.landing h1 { margin: 0; font-size: 26px; font-weight: 700; }
.landing__dates { margin: 0 0 14px; color: var(--ink-mute); font-size: 14px; }
.landing__days { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.landing__day {
  display: flex; flex-direction: column; gap: 2px; min-width: 110px;
  padding: 14px 18px; border-radius: 12px;
  border: 1px solid #d8d8d4; color: var(--ink);
}
.landing__day:hover { border-color: var(--brand); color: var(--ink); }
.landing__dow { font-size: 14px; font-weight: 700; }
.landing__date { font-size: 12px; color: var(--ink-mute); }

/* ------------------------------------------------------- update notice */

.update {
  position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%);
  z-index: 100; margin: 0; display: flex; align-items: center; gap: 10px;
  max-width: calc(100vw - 32px);
  padding: 10px 12px 10px 16px; border-radius: 999px;
  background: var(--ink); color: #fff; font-size: 13px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}
.update[hidden] { display: none; }
.update button {
  padding: 6px 12px; border: 0; border-radius: 999px;
  background: var(--brand); color: #fff;
  font: inherit; font-size: 12px; font-weight: 700; cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}