/* ============================================================
   Delade komponenter: sidhuvud, sidfot, knappar, fält, chips,
   paneler och statusmeddelanden.
   ============================================================ */

/* ---------- Sidhuvud ---------- */
.site-header {
  position: relative;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.site-header__in {
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--s-2) var(--s-4);
  display: flex;
  align-items: center;
  gap: var(--s-4);
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--step-1);
  letter-spacing: -0.02em;
  flex: none;
}
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.site-nav { display: flex; align-items: center; gap: var(--s-5); margin-left: auto; }
.site-nav__links { display: flex; gap: var(--s-1); list-style: none; margin: 0; padding: 0; }
.site-nav__links a {
  display: block;
  white-space: nowrap;
  padding: var(--s-2) var(--s-3);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--r-sm);
}
.site-nav__links a:hover { background: var(--surface-2); }
.site-nav__links a[aria-current="page"] {
  background: linear-gradient(to bottom, transparent 62%, var(--highlight) 62%, var(--highlight) 88%, transparent 88%) no-repeat;
  background-size: calc(100% - 2 * var(--s-3)) 100%;
  background-position: center;
}
:root[data-theme="dark"] .site-nav__links a[aria-current="page"] {
  background-image: linear-gradient(to bottom, transparent 62%, rgb(255 201 60 / 0.55) 62%, rgb(255 201 60 / 0.55) 88%, transparent 88%);
}
.site-nav__tools, .auth-area { display: flex; align-items: center; gap: var(--s-2); }
.auth-name { font-size: var(--step--1); color: var(--muted); max-width: 20ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.menu-btn {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-3);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font-weight: 600;
}
.menu-btn__bars, .menu-btn__bars::before, .menu-btn__bars::after {
  display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; position: relative;
}
.menu-btn__bars::before, .menu-btn__bars::after { content: ""; position: absolute; left: 0; }
.menu-btn__bars::before { top: -5px; }
.menu-btn__bars::after { top: 5px; }

.theme-btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: var(--s-2) var(--s-3);
  background: transparent; border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  color: var(--text); font-size: var(--step--1); font-weight: 600;
}
.theme-btn:hover { background: var(--surface-2); }
.theme-btn svg { width: 18px; height: 18px; flex: none; }

@media (max-width: 1180px) {
  .menu-btn { display: inline-flex; }
  .site-header__in { flex-wrap: wrap; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--s-4);
    padding: var(--s-2) 0 var(--s-4);
  }
  .site-nav.is-open { display: flex; }
  .site-nav__links { flex-direction: column; }
  .site-nav__links a { padding: var(--s-3); }
  .site-nav__tools { flex-wrap: wrap; }
}

/* ---------- Sidfot ---------- */
.site-footer {
  margin-top: var(--s-7);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--step--1);
}
.site-footer__in {
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--s-5) var(--s-4) var(--s-6);
  display: grid;
  gap: var(--s-3);
}
.site-footer p { margin: 0; max-width: 70ch; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }
.site-footer a { color: var(--text); }

/* ---------- Knappar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 44px;
  padding: var(--s-2) var(--s-5);
  border: 1.5px solid var(--primary);
  border-radius: var(--r-sm);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.btn--ghost { background: transparent; color: var(--primary); }
.btn--ghost:hover { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }
.btn--quiet { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--quiet:hover { background: var(--surface-2); border-color: var(--line-strong); color: var(--text); }
.btn--small { min-height: 36px; padding: var(--s-1) var(--s-3); font-size: var(--step--1); }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }

.link-button {
  background: none; border: 0; padding: 0;
  color: var(--primary); text-decoration: underline; text-underline-offset: 0.18em;
  font-size: var(--step--1); cursor: pointer;
}

/* ---------- Fält ---------- */
.field { display: grid; gap: var(--s-1); margin-bottom: var(--s-4); }
.field > label, .field .password-row label, .label { font-weight: 600; font-size: var(--step--1); }
.input, .select,
input[type="text"], input[type="email"], input[type="password"], input[type="search"], input[type="number"], select, textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--s-2) var(--s-3);
  background: var(--surface);
  color: var(--text);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-sm);
}
textarea { min-height: 120px; resize: vertical; line-height: 1.45; }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 0.8; }
.field-help { margin: 0; color: var(--muted); font-size: var(--step--1); }
.check { display: inline-flex; align-items: center; gap: var(--s-2); cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--primary); }

.form-status {
  margin: 0 0 var(--s-4);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-sm);
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
}
.form-status[data-type="error"] { background: var(--bad-soft); border-color: var(--bad); }
.form-status[data-type="success"] { background: var(--ok-soft); border-color: var(--ok); }

/* ---------- Segmentväljare (flikar som filter) ---------- */
.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  background: var(--surface-2);
  border-radius: var(--r-sm);
}
.segmented button {
  border: 0; background: transparent; color: var(--muted);
  padding: var(--s-2) var(--s-4); border-radius: calc(var(--r-sm) - 2px);
  font-weight: 600; font-size: var(--step--1);
}
.segmented button:hover { color: var(--text); }
.segmented button[aria-selected="true"], .segmented button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-1); }

/* ---------- Chips och paneler ---------- */
.chip {
  display: inline-flex; align-items: center; gap: var(--s-1);
  padding: 2px var(--s-3);
  border-radius: var(--r-pill);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: var(--step--1);
  font-weight: 600;
}
.chip-list { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; padding: 0; margin: 0; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--s-5);
}
.panel--flat { box-shadow: none; }

.empty-state { padding: var(--s-6) var(--s-4); text-align: center; color: var(--muted); }

/* Förloppsstapel */
.progress { height: 6px; background: var(--surface-2); border-radius: var(--r-pill); overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--primary); border-radius: inherit; transition: width 0.3s; }

/* Tabeller */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: var(--step--1); }
.table th, .table td { padding: var(--s-3) var(--s-4); text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.table thead th { background: var(--surface-2); font-weight: 600; white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- Statusmeddelanden ---------- */
.toasts {
  position: fixed; right: var(--s-4); bottom: var(--s-4); z-index: 120;
  display: grid; gap: var(--s-2);
  max-width: min(380px, calc(100vw - 2 * var(--s-4)));
}
.toast {
  background: var(--text); color: var(--bg);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-2);
  transition: opacity 0.3s, transform 0.3s;
}
.toast--error { background: var(--bad); color: #fff; }
.toast--success { background: var(--ok); color: #fff; }
:root[data-theme="dark"] .toast--error, :root[data-theme="dark"] .toast--success { color: #15121c; }
.toast--out { opacity: 0; transform: translateY(6px); }

/* Tangent */
kbd {
  display: inline-block; min-width: 1.6em; padding: 1px 6px;
  font: 600 0.82em var(--font-ui); text-align: center;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 4px;
}

@media (min-width: 1181px) and (max-width: 1360px) {
  .theme-btn span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .site-nav { gap: var(--s-3); }
  .site-nav__links a { padding-inline: var(--s-2); }
}
/* E-postadressen tar för mycket plats i sidhuvudet på mellanstora skärmar. */
@media (min-width: 1181px) and (max-width: 1500px) {
  .site-header .auth-name { display: none; }
}

/* Matematik */
.fr { display: inline-flex; flex-direction: column; align-items: center; vertical-align: middle; margin: 0 0.18em; line-height: 1.2; text-align: center; }
.fr > span:first-child { border-bottom: 1.3px solid currentColor; padding: 0 0.25em 0.06em; }
.fr > span:last-child { padding: 0.06em 0.25em 0; }
sup .fr { vertical-align: 1.1em; }
sup .fr, sub .fr { font-size: 1em; line-height: 1.05; margin: 0 0.05em; }
sup:has(.fr) { vertical-align: baseline; font-size: 0.72em; }
.rt .ov { display: inline-block; border-top: 1.3px solid currentColor; padding: 1px 1px 0; line-height: 1.25; }
sup, sub { line-height: 0; }

/* ---------- Laddning ---------- */
.spinner {
  display: inline-block;
  width: 1.1em; height: 1.1em;
  border: 2.5px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -0.18em;
  animation: spin 0.75s linear infinite;
  flex: none;
}
.spinner--large { width: 32px; height: 32px; border-width: 3.5px; color: var(--primary); }
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--s-3);
  padding: var(--s-7) var(--s-4);
  color: var(--muted);
  text-align: center;
}
.loading-inline { display: inline-flex; align-items: center; gap: var(--s-2); color: var(--muted); }

.skeleton {
  display: block;
  height: 0.9em;
  margin: 0.5em 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--surface-2) 0%, var(--line) 40%, var(--surface-2) 80%);
  background-size: 300% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
.skeleton--title { height: 1.8em; width: 55%; }
.skeleton--short { width: 40%; }
.skeleton--block { height: 140px; border-radius: var(--r-md); }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }

/* Knapp som jobbar: behåller bredden och visar en snurra */
.btn.is-busy, .social-btn.is-busy { position: relative; color: transparent !important; pointer-events: none; }
.btn.is-busy::after, .social-btn.is-busy::after {
  content: "";
  position: absolute; inset: 0; margin: auto;
  width: 1.1em; height: 1.1em;
  border: 2.5px solid var(--on-primary); border-right-color: transparent; border-radius: 50%;
  animation: spin 0.75s linear infinite;
}
.btn--ghost.is-busy::after, .btn--quiet.is-busy::after, .social-btn.is-busy::after { border-color: var(--primary); border-right-color: transparent; }

/* Tunn list överst medan sidan hämtar data */
.page-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 150;
  pointer-events: none; overflow: hidden;
  opacity: 0; transition: opacity 0.2s 0.1s;
}
.page-progress.is-active { opacity: 1; transition-delay: 0.15s; }
.page-progress::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 40%;
  background: linear-gradient(90deg, transparent, var(--primary), var(--highlight), transparent);
  animation: progress-slide 1.1s ease-in-out infinite;
}
@keyframes progress-slide { from { left: -40%; } to { left: 100%; } }

.auth-placeholder { display: inline-block; width: 150px; height: 36px; border-radius: var(--r-sm); margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .spinner, .btn.is-busy::after { animation: pulse-soft 1.6s ease-in-out infinite !important; animation-duration: 1.6s !important; animation-iteration-count: infinite !important; border-right-color: currentColor; opacity: 0.6; }
  .skeleton { animation: none !important; }
  .page-progress::before { animation: none !important; left: 0; width: 100%; opacity: 0.6; }
}
@keyframes pulse-soft { 50% { opacity: 0.25; } }

/* Svitens flamma */
.flame, .flame img { display: block; image-rendering: pixelated; image-rendering: crisp-edges; }
.flame img, img.flame { width: 13px; height: 32px; }

/* Nyhet från administratören */
.news-banner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--s-3) var(--s-4);
  align-items: start;
  margin: 0 0 var(--s-6);
  padding: var(--s-4) var(--s-5);
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--primary);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-1);
  animation: news-in .35s ease-out;
}
.news-banner[hidden] { display: none; }
.news-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--surface-2); color: var(--primary); }
.news-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.news-meta { margin: 0 0 2px; font-size: var(--step--1); color: var(--muted); display: flex; gap: var(--s-2); align-items: center; }
.news-tag { display: inline-block; padding: 1px 8px; border-radius: 999px; background: var(--highlight, #f5d90a); color: #1d1a26; font-weight: 700; font-size: 0.75rem; letter-spacing: .04em; text-transform: uppercase; }
.news-banner h2 { margin: 0; font-size: var(--step-1); }
.news-text { margin: var(--s-1) 0 0; max-width: 70ch; white-space: pre-line; }
.news-link { margin-top: var(--s-3); }
.news-close { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--muted); cursor: pointer; }
.news-close:hover, .news-close:focus-visible { background: var(--surface-2); color: var(--text); }
.news-close svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
@keyframes news-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
@media (max-width: 640px) {
  .news-banner { grid-template-columns: minmax(0, 1fr) auto; padding: var(--s-3) var(--s-4); }
  .news-icon { display: none; }
}
@media (prefers-reduced-motion: reduce) { .news-banner { animation: none; } }
.brand-tld { color: var(--muted); font-weight: 600; }
.site-nav__tools .btn, .auth-area .btn { white-space: nowrap; }
@media (max-width: 420px) {
  .brand { font-size: var(--step-0); gap: 6px; }
  .brand img { width: 34px; height: 34px; border-radius: 8px; }
  .site-header__in { gap: var(--s-2); padding-inline: var(--s-3); }
}