/* Randonee ruteplanlegger – «Night Summit»: designsystem, global layout, tema, faner, velkomst, mobil bunnark.
   Eies av theme.css/mobile.js. Andre moduler bruker kun variablene under. */

/* ---------- Variabler: mørk (standard) ---------- */
:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0b16;
  --bg-grad: linear-gradient(160deg, #0d0b16 0%, #1b1530 100%);
  --scrim: rgba(8, 6, 14, .68);
  --glass: rgba(20, 18, 30, .62);
  --glass-strong: rgba(20, 18, 30, .9);
  --glass-border: rgba(255, 255, 255, .14);
  --blur: 18px;
  --fg: #ffffff;
  --fg-mut: #e4e1f1;
  --fg-faint: #bdb9d2;
  --line: rgba(255, 255, 255, .14);
  --chip: rgba(255, 255, 255, .08);
  --chip-on: rgba(0, 200, 255, .22);
  --acc1: #00C8FF;
  --acc2: #FF3EDB;
  --grad: linear-gradient(90deg, var(--acc1), var(--acc2));
  --grad-text: linear-gradient(90deg, #33d3ff, #ff6fe9);
  --acc-text: #94eaff;
  --acc-text-2: #ff8aec;
  --lett: #00C8FF;
  --middels: #FF3EDB;
  --krevende: #FFFFFF;
  --warn: #ff5a5f;
  --warn-bg: rgba(255, 90, 95, .16);
  --focus: #5fe0ff;
  --scroll-thumb: rgba(255, 255, 255, .28);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 40px rgba(0, 0, 0, .45);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --panel-w: 340px;
  --gap: 12px;
  --d0: #8A8A96;
  --d1: #56B528;
  --d2: #FFE800;
  --d3: #F18700;
  --d4: #E61E1E;
  --d5: #1A1A1A;
  --controls-h: 290px;
  --sheet-min: 104px;
}

/* ---------- Variabler: lys (må komme etter mørk) ---------- */
[data-theme="light"] {
  color-scheme: light;
  --bg: #e9edf5;
  --bg-grad: linear-gradient(160deg, #f4f6fb 0%, #dde4f0 100%);
  --scrim: rgba(233, 237, 245, .7);
  --glass: rgba(255, 255, 255, .74);
  --glass-strong: rgba(255, 255, 255, .94);
  --glass-border: rgba(21, 19, 31, .14);
  --fg: #15131f;
  --fg-mut: #44405a;
  --fg-faint: #5f5b75;
  --line: rgba(21, 19, 31, .14);
  --chip: rgba(21, 19, 31, .06);
  --chip-on: rgba(0, 119, 168, .16);
  --grad-text: linear-gradient(90deg, #006d99, #a3128a);
  --acc-text: #00608a;
  --acc-text-2: #a3128a;
  --krevende: #1d1d24;
  --warn: #c4161c;
  --warn-bg: rgba(196, 22, 28, .1);
  --focus: #005f87;
  --scroll-thumb: rgba(21, 19, 31, .3);
  --shadow: 0 10px 36px rgba(30, 25, 60, .18);
}

/* Uten backdrop-filter: mer dekkende glass så teksten fortsatt leses */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root,
  [data-theme="dark"] { --glass: rgba(20, 18, 30, .93); --glass-strong: rgba(20, 18, 30, .98); }
  [data-theme="light"] { --glass: rgba(255, 255, 255, .95); --glass-strong: rgba(255, 255, 255, .98); }
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  overflow: hidden;
  overflow-x: hidden;
  background: var(--bg);
  background-image: var(--bg-grad);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
button { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin: 0; }
a { color: var(--acc-text); text-underline-offset: 2px; }
img, svg { max-width: 100%; }

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

* { scrollbar-width: thin; scrollbar-color: var(--scroll-thumb) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }

/* ---------- Hjelpeklasser ---------- */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.muted { color: var(--fg-mut); }

.skip, .skip-lenke {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 300;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-200%);
}
.skip:focus, .skip:focus-visible, .skip-lenke:focus, .skip-lenke:focus-visible { transform: none; }

.grad-text { color: var(--acc-text); }
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .grad-text {
    background-image: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
  }
}

/* Glass-panel */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--fg);
}

/* Knapper */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--chip);
  color: var(--fg);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s, box-shadow .18s, border-color .18s, transform .18s;
}
.btn:hover { background: var(--chip-on); }
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.btn--primary {
  background: var(--grad);
  border-color: transparent;
  color: #0d0b16;
  font-weight: 700;
}
.btn--primary:hover {
  background: var(--grad);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .25), 0 6px 24px rgba(0, 200, 255, .38), 0 0 30px rgba(255, 62, 219, .32);
}
.btn--ghost { background: transparent; border-color: var(--glass-border); }
.btn--ghost:hover { background: var(--chip); border-color: var(--fg-faint); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--chip);
  color: var(--fg);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color .18s, border-color .18s;
}
.chip:hover { border-color: var(--fg-faint); }
.chip[aria-pressed="true"] {
  background: var(--chip-on);
  border-color: var(--acc-text);
  font-weight: 600;
}

/* Nivåprikk */
.lvl-dot {
  --dot: var(--middels);
  display: inline-block;
  flex: none;
  width: 10px; height: 10px;
  border-radius: 50%;
  vertical-align: middle;
  background: var(--dot);
  box-shadow: 0 0 8px 1px var(--dot);
}
.lvl-dot[data-niva="Lett"] { --dot: var(--lett); }
.lvl-dot[data-niva="Middels"] { --dot: var(--middels); }
.lvl-dot[data-niva="Krevende"] { --dot: var(--krevende); }
[data-theme="light"] .lvl-dot { box-shadow: 0 0 0 1px rgba(21, 19, 31, .3), 0 0 6px var(--dot); }

/* ---------- Kart og bakgrunn ---------- */
#map, .map {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--bg);
  background-image: var(--bg-grad);
}

/* ---------- Venstrepanel (desktop) ---------- */
#left {
  position: fixed;
  top: var(--gap); left: var(--gap); bottom: var(--gap);
  z-index: 10;
  width: var(--panel-w);
  max-width: calc(100vw - 2 * var(--gap));
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#left:focus { outline: none; }
#left:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.sheet-handle { display: none; }

.brand { flex: none; padding: 18px 18px 10px; }
.brand__title { font-size: 20px; font-weight: 750; line-height: 1.15; letter-spacing: -.01em; }
.brand__sub { margin-top: 3px; color: var(--fg-mut); font-size: 13px; }
.brand__count { display: none; }

.tabs {
  flex: none;
  display: flex;
  gap: 4px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
}
.tab {
  position: relative;
  flex: 1 1 0;
  min-height: 44px;
  padding: 10px 8px;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  color: var(--fg-mut);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: color .18s, background-color .18s;
}
.tab:hover { color: var(--fg); background: var(--chip); }
.tab::after {
  content: "";
  position: absolute;
  left: 12%; right: 12%; bottom: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--grad);
  transform: scaleX(0);
  opacity: 0;
  transition: transform .22s ease, opacity .22s ease;
}
.tab[aria-selected="true"] { color: var(--fg); }
.tab[aria-selected="true"]::after { transform: scaleX(1); opacity: 1; }
.tab:focus-visible { outline-offset: -2px; }

.panel-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px 14px 16px;
}

/* ---------- Høyrepanel / turkort (desktop) ---------- */
#right {
  position: fixed;
  top: var(--gap); right: var(--gap);
  z-index: 11;
  width: 340px;
  max-width: calc(100vw - 2 * var(--gap));
  max-height: calc(100% - 2 * var(--gap));
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}
@media (min-width: 768px) { body.has-card #controls { right: calc(340px + 2 * var(--gap)); } }

/* ---------- Tegnforklaring ---------- */
#legend, .legend {
  position: fixed;
  right: 72px; bottom: 24px;
  z-index: 12;
  width: 260px;
  max-width: calc(100vw - 96px);
  max-height: calc(var(--controls-h) - 30px);
  overflow-x: hidden;
  overflow-y: auto;
  padding: 12px 14px;
  font-size: 13px;
}

/* Skredfare-ring: kun mobil */
#danger-mini { display: none; }

/* ---------- Toasts ---------- */
.toasts, #toasts {
  position: fixed;
  left: 50%; bottom: 24px;
  z-index: 250;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: max-content;
  max-width: calc(100vw - 24px);
  pointer-events: none;
}
body.is-flying #toasts { bottom: 100px; }
.toast {
  pointer-events: auto;
  max-width: 100%;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.35;
  text-align: center;
  animation: rr-toast-in .28s ease both;
  transition: opacity .35s, transform .35s;
}
.toast--error { border-color: var(--warn); }
.toast--out { opacity: 0; transform: translateY(8px); }
@keyframes rr-toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image: var(--bg-grad);
  transition: opacity .5s ease, visibility .5s;
}
.loader--out { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__ring {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--acc1), var(--acc2), var(--acc1));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 calc(100% - 5px));
  filter: drop-shadow(0 0 10px rgba(0, 200, 255, .5)) drop-shadow(0 0 16px rgba(255, 62, 219, .35));
  animation: rr-spin 1.3s linear infinite, rr-pulse 1.8s ease-in-out infinite;
}
@keyframes rr-spin { to { transform: rotate(360deg); } }
@keyframes rr-pulse { 0%, 100% { opacity: .65; scale: .92; } 50% { opacity: 1; scale: 1.06; } }

/* ---------- Velkomstdialog ---------- */
.welcome {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background: var(--scrim);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  animation: rr-fade .3s ease both;
}
.welcome__card {
  width: 100%;
  max-width: 440px;
  max-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 24px;
  background: var(--glass-strong);
  border-radius: 20px;
  animation: rr-pop .35s ease both;
}
.welcome__card:focus { outline: none; }
.welcome__logo { display: block; width: 44px; height: 44px; margin-bottom: 12px; }
.welcome__title { font-size: 24px; line-height: 1.2; font-weight: 750; letter-spacing: -.01em; }
.welcome__lead { margin-top: 10px; color: var(--fg-mut); font-size: 15px; }
.welcome__safety {
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 3px solid var(--warn);
  border-radius: var(--radius-sm);
  background: var(--warn-bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.5;
}
.welcome__safety a { font-weight: 600; }
.welcome__actions { margin-top: 20px; display: flex; }
.welcome__actions .btn { flex: 1 1 auto; }
@keyframes rr-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes rr-pop { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- Mobil: bunnark (<768 px) ---------- */
@media (max-width: 767.98px) {
  #left, #right {
    position: fixed;
    top: auto;
    left: 0; right: 0; bottom: 0;
    width: auto;
    max-width: none;
    max-height: none;
    height: calc(var(--sheet-h, var(--sheet-min)) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
    border-bottom: 0;
    background: var(--glass-strong);
    transition: height .28s cubic-bezier(.2, .8, .2, 1);
  }
  #right { z-index: 14; }
  body.has-card #right { max-height: none; }
  body.has-card #left { visibility: hidden; pointer-events: none; }
  body.sheet-dragging #left, body.sheet-dragging #right { transition: none; }

  #right #card {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .sheet-handle {
    display: flex;
    flex: none;
    align-items: center;
    justify-content: center;
    height: 30px;
    cursor: grab;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
  }
  .sheet-handle:active { cursor: grabbing; }
  .sheet-handle > span {
    display: block;
    width: 44px; height: 5px;
    border-radius: 5px;
    background: var(--fg-faint);
    opacity: .75;
  }
  .sheet-handle:focus-visible { outline-offset: -3px; border-radius: 20px 20px 0 0; }

  .brand { padding: 0 16px 8px; touch-action: none; }
  .brand__title { font-size: 17px; }
  .brand__sub { display: none; }
  .brand__count { display: block; margin-top: 2px; color: var(--fg-mut); font-size: 13px; }
  .tabs { padding: 0 10px; }
  .panel-scroll { padding: 10px 12px 14px; -webkit-overflow-scrolling: touch; }

  /* Minimert ark: skjul innhold som er klippet bort (ut av tab-rekkefølge) */
  body.sheet-min #left .tabs,
  body.sheet-min #left .panel-scroll,
  body.sheet-min #right #card { visibility: hidden; }

  #danger-mini {
    display: block;
    position: fixed;
    top: calc(12px + env(safe-area-inset-top, 0px));
    left: 12px;
    z-index: 8;
  }

  #legend, .legend {
    top: calc(12px + env(safe-area-inset-top, 0px));
    right: 64px;
    bottom: auto;
    width: min(260px, calc(100vw - 88px));
    max-width: none;
    max-height: 50vh;
    z-index: 16;
  }

  #toasts { bottom: auto; top: calc(68px + env(safe-area-inset-top, 0px)); }
  body.is-flying #toasts { bottom: auto; }

  .welcome__card { padding: 20px; }
  .welcome__title { font-size: 22px; }
}

/* ---------- Redusert bevegelse ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .loader__ring { animation: none !important; }
}

/* Programmatisk fokus (tabindex=-1) skal ikke vise ring */
[tabindex="-1"]:focus { outline: none; }

/* ---------- Ytelse ----------
   backdrop-filter over et 3D-kart som tegnes kontinuerlig er dyrt (blur regnes ut på nytt hver frame).
   Mindre radius på desktop; på mobil og under fly over brukes dekkende glass uten blur. */
:root { --blur: 12px; }
@media (max-width: 767px) {
  :root, [data-theme="dark"] { --glass: rgba(20, 18, 30, .9); --glass-strong: rgba(20, 18, 30, .96); }
  [data-theme="light"] { --glass: rgba(255, 255, 255, .94); --glass-strong: rgba(255, 255, 255, .98); }
  .glass, #left, #right, .ctl, #flybar, .legend, .toast, .danger-mini > * {
    -webkit-backdrop-filter: none !important; backdrop-filter: none !important;
  }
}
body.is-flying .glass, body.is-flying .ctl {
  -webkit-backdrop-filter: none !important; backdrop-filter: none !important;
}

/* Mobil: når arket er helt oppe, vik kartknappene for søk og faner */
@media (max-width: 767px) {
  body.sheet-max #controls, body.sheet-max #legend, body.sheet-max #danger-mini { opacity: 0; visibility: hidden; transition: opacity .2s, visibility 0s .2s; }
}