/* =========================================================
   Mängdkollen – tema
   Ljust:  "Kalkputs & ockra" – varm benvit bakgrund, vit yta,
           byggul som fyllnadsfärg och mörk ockra för text/länkar.
   Mörkt:  antracit med byggul accent.
   ========================================================= */
:root {
  --bg: #f4f1ea;
  --bg-alt: #ebe7dd;
  --surface: #ffffff;
  --surface-2: #f2efe7;
  --line: #ddd7c9;
  --text: #1f2123;
  --muted: #5e5c56;
  --accent: #ffc20e;
  --accent-strong: #f0b000;
  --on-accent: #1c1d1f;
  --accent-text: #8a5d00;
  --ok: #2f7d4f;
  --warn: #9a5b00;
  --danger: #b3261e;
  --shadow: 0 1px 2px rgb(30 30 30 / .06), 0 8px 24px rgb(30 30 30 / .07);
  --stripe-a: #1f2123;
  --stripe-b: #ffc20e;
  --radius: 14px;
  --radius-sm: 9px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Archivo", "Arial Narrow", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1c1d1f;
    --bg-alt: #222427;
    --surface: #2a2c30;
    --surface-2: #33363a;
    --line: #41454b;
    --text: #eeece6;
    --muted: #a8a59d;
    --accent: #ffc20e;
    --accent-strong: #ffd23f;
    --on-accent: #1c1d1f;
    --accent-text: #ffc20e;
    --ok: #6fcf97;
    --warn: #ffb547;
    --danger: #ff8a80;
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 10px 30px rgb(0 0 0 / .25);
    --stripe-a: #2a2c30;
    --stripe-b: #ffc20e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #1c1d1f;
  --bg-alt: #222427;
  --surface: #2a2c30;
  --surface-2: #33363a;
  --line: #41454b;
  --text: #eeece6;
  --muted: #a8a59d;
  --accent: #ffc20e;
  --accent-strong: #ffd23f;
  --on-accent: #1c1d1f;
  --accent-text: #ffc20e;
  --ok: #6fcf97;
  --warn: #ffb547;
  --danger: #ff8a80;
  --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 10px 30px rgb(0 0 0 / .25);
  --stripe-a: #2a2c30;
  --stripe-b: #ffc20e;
  color-scheme: dark;
}

/* ---------- Bas ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-text); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); font-weight: 800; max-width: 18ch; }
h2 { font-size: clamp(1.45rem, 3.2vw, 2rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 .8em; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--on-accent); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
  padding-top: env(safe-area-inset-top);
}
.topbar__inner { display: flex; align-items: center; gap: 16px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 8px 12px; border-radius: 8px; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.theme { display: flex; align-items: center; gap: 6px; }
.theme__auto { font: 600 .75rem var(--font); color: var(--muted); background: none; border: 1px solid var(--line); border-radius: 99px; padding: 3px 9px; cursor: pointer; }
.theme__auto:hover { color: var(--text); }

/* Switch */
.switch { background: none; border: 0; padding: 4px; cursor: pointer; }
.switch__track {
  position: relative; display: block; width: 58px; height: 30px; border-radius: 99px;
  background: var(--surface-2); border: 1px solid var(--line);
  transition: background-color .25s ease;
}
.switch__thumb {
  position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 1px 3px rgb(0 0 0 / .3);
  transition: transform .25s cubic-bezier(.3,.7,.4,1.2);
}
.switch[aria-checked="true"] .switch__thumb { transform: translateX(28px); }
.switch__icon { position: absolute; top: 7px; width: 16px; height: 16px; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; }
.switch__icon--sun { left: 7px; }
.switch__icon--moon { right: 7px; fill: var(--muted); stroke: none; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(40px, 8vw, 88px) 0 clamp(48px, 8vw, 80px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60rem 30rem at 100% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 31px, color-mix(in srgb, var(--line) 45%, transparent) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, color-mix(in srgb, var(--line) 45%, transparent) 31px 32px);
  mask-image: linear-gradient(180deg, #000 30%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent);
}
.hero__inner { position: relative; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent-text); }
.eyebrow::before { content: ""; width: 22px; height: 4px; background: var(--accent); border-radius: 2px; }
.lead { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--muted); max-width: 56ch; }
.stats { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }
.stats div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 16px; min-width: 120px; box-shadow: var(--shadow); }
.stats dt { font-size: .78rem; color: var(--muted); font-weight: 600; }
.stats dd { margin: 0; font: 800 1.6rem/1.1 var(--font-display); }
.hero__stripe {
  position: absolute; left: 0; right: 0; bottom: 0; height: 10px;
  background: repeating-linear-gradient(-45deg, var(--stripe-b) 0 14px, var(--stripe-a) 14px 28px);
  opacity: .9;
}

/* ---------- Sektioner ---------- */
.section { padding: clamp(44px, 7vw, 80px) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section__head { margin-bottom: 24px; max-width: 70ch; }
.section__head p { color: var(--muted); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- Formulär ---------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; border: 0; margin: 0; padding: 0; }
.label { font-size: .85rem; font-weight: 700; color: var(--text); display: flex; justify-content: space-between; gap: 8px; }
.label output { color: var(--accent-text); font-weight: 800; }
.input {
  width: 100%; min-height: 46px; padding: 10px 12px;
  font: inherit; color: var(--text); background: var(--surface-2);
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .15s ease, background-color .15s ease;
  appearance: none; -webkit-appearance: none;
}
select.input {
  padding-right: 38px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 52%, calc(100% - 14px) 52%;
  background-size: 6px 6px; background-repeat: no-repeat;
}
.input:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.input:focus { outline: none; border-color: var(--accent); background-color: var(--surface); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
textarea.input { resize: vertical; min-height: 90px; }
.input-unit { position: relative; display: block; }
.input-unit .input { padding-right: 58px; }
.input-unit > span { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-weight: 600; font-size: .9rem; pointer-events: none; }
.input[aria-invalid="true"] { border-color: var(--danger); }
.hint { font-size: .82rem; color: var(--muted); margin: 0; grid-column: 1 / -1; }
.linkbtn { align-self: flex-start; background: none; border: 0; padding: 2px 0; font: 600 .82rem var(--font); color: var(--accent-text); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

.range { width: 100%; height: 46px; background: none; accent-color: var(--accent); }
.range::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: var(--surface-2); border: 1px solid var(--line); }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; margin-top: -10px; border-radius: 50%; background: var(--accent); border: 3px solid var(--surface); box-shadow: 0 1px 4px rgb(0 0 0 / .3); }
.range { -webkit-appearance: none; appearance: none; }
.range::-moz-range-track { height: 6px; border-radius: 3px; background: var(--surface-2); border: 1px solid var(--line); }
.range::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--accent); border: 3px solid var(--surface); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-2--tight { gap: 12px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: 700 .9rem var(--font); color: var(--text);
  background: var(--surface-2); border: 1.5px solid var(--line);
  padding: 8px 14px; border-radius: 99px; cursor: pointer; min-height: 40px;
  transition: all .15s ease;
}
.chip:hover { border-color: var(--accent); }
.chip[aria-checked="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.chip small { font-weight: 600; opacity: .7; margin-left: 4px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: var(--radius-sm); border: 0;
  background: var(--accent); color: var(--on-accent); font: 800 1rem var(--font); cursor: pointer;
  box-shadow: 0 2px 0 color-mix(in srgb, var(--accent) 60%, #000);
  transition: transform .1s ease, background-color .15s ease;
}
.btn:hover { background: var(--accent-strong); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn--ghost { background: transparent; color: var(--text); border: 1.5px solid var(--line); box-shadow: none; }
.btn--ghost:hover { background: var(--surface-2); }
.btn--small { min-height: 36px; padding: 6px 14px; font-size: .9rem; }

.check { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .92rem; cursor: pointer; white-space: nowrap; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); }

/* ---------- Kalkylator ---------- */
.calc { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.calc__form { padding: 22px; display: flex; flex-direction: column; gap: 18px; }
.slope { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; padding: 14px; border: 1.5px dashed var(--line); border-radius: var(--radius-sm); }
[data-hidden="true"], [hidden] { display: none !important; }

.product-info { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; font-size: .85rem; color: var(--muted); min-height: 26px; }
.tag { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); color: var(--text); font-weight: 600; font-size: .78rem; white-space: nowrap; }
.tag--ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.tag--warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.tag--fixed { color: var(--accent-text); border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); }

.result { padding: 22px; position: sticky; top: 80px; overflow: hidden; }
.result::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 6px; background: repeating-linear-gradient(-45deg, var(--stripe-b) 0 10px, var(--stripe-a) 10px 20px); }
.result__title { font: 700 .8rem var(--font); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 6px 0 4px; }
.result__product { font: 800 1.15rem/1.25 var(--font-display); margin-bottom: 16px; }
.big { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.big__num { font: 800 clamp(2.4rem, 6vw, 3.2rem)/1 var(--font-display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.big__unit { font-weight: 700; color: var(--muted); }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; margin: 18px 0 0; padding: 16px 0 0; border-top: 1px solid var(--line); }
.kv dt { color: var(--muted); font-size: .92rem; }
.kv dd { margin: 0; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.kv dd.hl { color: var(--accent-text); font-size: 1.1rem; }
.bags { display: flex; align-items: center; gap: 14px; margin-top: 16px; padding: 14px; border-radius: var(--radius-sm); background: var(--accent); color: var(--on-accent); }
.bags__icon { width: 38px; height: 38px; flex: none; }
.bags__num { font: 800 1.9rem/1 var(--font-display); }
.bags__txt { font-weight: 700; font-size: .9rem; line-height: 1.3; }
.bags--extra { margin-top: 8px; background: var(--surface-2); color: var(--text); border: 1.5px solid var(--accent); }
.bags--extra .bags__num { font-size: 1.4rem; }
.note { margin-top: 16px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--surface-2); border-left: 4px solid var(--accent); font-size: .88rem; }
.note--warn { border-left-color: var(--warn); }
.note--block { border-left-color: var(--danger); }
.note strong { display: block; margin-bottom: 2px; }
.note p { margin: 0; }
.source { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 700; font-size: .9rem; }
.empty { color: var(--muted); }

/* ---------- Verktyg ---------- */
.tools { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.tool { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.tool h3 { margin: 0; }
.tool__formula { font: 600 .8rem/1.4 ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--muted); margin: 0; }
.tool__out { display: block; margin-top: auto; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--surface-2); font-size: .92rem; min-height: 64px; }
.tool__out b { font: 800 1.3rem var(--font-display); color: var(--accent-text); }

/* ---------- Register ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 10px; }
.field--grow { flex: 1 1 260px; }
.filters select.input { min-width: 200px; }
.reg__count { color: var(--muted); font-size: .88rem; margin: 6px 0 12px; }
.reg { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.reg li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px; display: flex; flex-direction: column; gap: 6px; transition: border-color .15s ease, transform .15s ease; }
.reg li:hover { border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); }
.reg__brand { font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); font-weight: 700; }
.reg__name { font-weight: 800; line-height: 1.25; }
.reg__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; align-items: center; }
.reg__meta a { font-size: .82rem; font-weight: 700; margin-left: auto; }
.reg__use { font: 700 .82rem var(--font); background: none; border: 0; color: var(--accent-text); cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px; }
.reg__more { margin: 18px auto 0; display: flex; }

/* ---------- Kontakt ---------- */
.contact { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px; padding: clamp(20px, 4vw, 34px); }
.contact__me { display: flex; gap: 18px; align-items: flex-start; }
.avatar { width: 112px; height: 112px; border-radius: 50%; object-fit: cover; flex: none; border: 4px solid var(--accent); background: var(--surface-2); box-shadow: 0 0 0 4px var(--surface), var(--shadow); }
.contact__title { font-size: 1.5rem; }
.contact__me p { color: var(--muted); }
.contact__name { font-weight: 800; color: var(--text) !important; }
.contact__form { display: flex; flex-direction: column; gap: 12px; }
.contact__actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.form-msg { margin: 0; font-weight: 600; font-size: .92rem; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--danger); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- Footer ---------- */
.footer { padding: 32px 0 calc(32px + env(safe-area-inset-bottom)); color: var(--muted); font-size: .88rem; }
.footer__inner { display: grid; gap: 6px; }
.footer__meta { font-size: .8rem; }

/* ---------- Install-toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px; z-index: 60;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  padding: 8px 6px 8px 8px; border-radius: 18px; font-size: .92rem;
  width: max-content; max-width: calc(100% - 24px);
  animation: toast-in .35s cubic-bezier(.2, .9, .3, 1.2) both;
}
.toast[hidden] { display: none; }
.toast__icon { width: 36px; height: 36px; border-radius: 9px; flex: none; }
.toast__text { display: flex; flex-direction: column; min-width: 0; line-height: 1.2; }
.toast__text strong { font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.toast__text small { color: var(--muted); font-size: .78rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@keyframes toast-in { from { transform: translate(-50%, 120%); opacity: 0; } }
@media (max-width: 380px) { .toast__icon { display: none; } .toast { padding-left: 14px; } }
@media (max-width: 330px) { .toast__text small { display: none; } }
.toast__close { background: none; border: 0; color: var(--muted); font-size: 1.4rem; line-height: 1; cursor: pointer; padding: 4px 8px; }

/* ---------- Responsivt ---------- */
@media (max-width: 920px) {
  .calc { grid-template-columns: minmax(0, 1fr); }
  .result { position: static; }
  .tools { grid-template-columns: 1fr 1fr; }
  .contact { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .tools { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-2--tight { grid-template-columns: 1fr 1fr; }
  .calc__form, .result { padding: 18px; }
  .brand__text { font-size: 1rem; }
  .contact__me { flex-direction: column; align-items: center; text-align: center; }
  .filters select.input { min-width: 0; width: 100%; }
  .filters .field { flex: 1 1 100%; }
  .stats div { min-width: calc(50% - 6px); flex: 1; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Mobil och installerad app ---------- */
/* Kategorierna som en svepbar rad */
@media (max-width: 720px) {
  #groupChips {
    flex-wrap: nowrap; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x proximity;
    scrollbar-width: none; -webkit-overflow-scrolling: touch; padding: 2px 2px 6px;
    -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent);
            mask-image: linear-gradient(90deg, #000 calc(100% - 32px), transparent);
  }
  #groupChips::-webkit-scrollbar { display: none; }
  #groupChips .chip { flex: none; scroll-snap-align: start; }
  #groupChips, .calc__form { min-width: 0; max-width: 100%; }
}

/* Fast resultatrad */
.resultbar {
  position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 55;
  display: flex; align-items: center; gap: 12px; padding: 12px 16px; min-height: 60px;
  border: 0; border-radius: 16px; background: var(--accent); color: var(--on-accent);
  font: inherit; text-align: left; cursor: pointer;
  box-shadow: 0 8px 28px rgb(0 0 0 / .28);
  transform: translateY(calc(100% + 24px)); opacity: 0; pointer-events: none;
  transition: transform .25s ease, opacity .2s ease;
}
.resultbar.is-visible { transform: none; opacity: 1; pointer-events: auto; }
.resultbar__text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.resultbar__main { font: 800 1.25rem/1.15 var(--font-display); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.resultbar__sub { font-weight: 700; font-size: .85rem; opacity: .8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.resultbar__icon { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
body.has-resultbar .toast { bottom: calc(84px + env(safe-area-inset-bottom)); }
@media (min-width: 921px) { .resultbar { display: none; } }

/* Installerad app: hoppa över startbilden och gå rakt till kalkylatorn */
html.standalone .hero { display: none; }
html.standalone #kalkyl { padding-top: 20px; }
@media (display-mode: standalone) {
  .hero { display: none; }
  #kalkyl { padding-top: 20px; }
}

/* Större tryckytor på pekskärmar (min. ca 44 px) */
@media (pointer: coarse) {
  .linkbtn { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 12px 8px 0; margin: -6px 0; font-size: .88rem; }
  .reg__use, .reg__meta a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 10px; margin: -8px -10px -8px 0; }
  .reg__meta a { margin: -8px -10px -8px auto; }
  .source { min-height: 44px; margin-top: 8px; }
  .toast__close { min-width: 44px; min-height: 44px; }
  .theme__auto { min-height: 34px; padding: 6px 12px; }
  .switch { padding: 8px 4px; }
  .check { min-height: 44px; }
}

/* ---------- Navigering på mobil ---------- */
.nav a[aria-current="true"] { color: var(--text); }

/* Vanlig mobilwebbläsare: kompakt meny i sidhuvudet (namnet döljs, loggan räcker) */
@media (max-width: 720px) {
  .nav { display: flex; gap: 0; margin-left: auto; }
  .nav a { padding: 10px 7px; font-size: .86rem; }
  .theme { margin-left: 4px; }
  html.standalone .nav { display: none; }
  html.standalone .theme { margin-left: auto; }
}
@media (max-width: 520px) {
  html:not(.standalone) .brand__text { display: none; }
}

/* Installerad app: flikrad längst ner */
.tabbar { display: none; }
@media (max-width: 920px) {
  html.standalone .tabbar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 56;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
    border-top: 1px solid var(--line);
  }
  html.standalone body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  html.standalone .resultbar { bottom: calc(76px + env(safe-area-inset-bottom)); }
  html.standalone .toast { bottom: calc(80px + env(safe-area-inset-bottom)); }
  html.standalone body.has-resultbar .toast { bottom: calc(148px + env(safe-area-inset-bottom)); }
}
.tabbar a {
  position: relative; flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  min-height: 52px; border-radius: 12px; color: var(--muted); text-decoration: none; font: 700 .72rem var(--font);
  -webkit-tap-highlight-color: transparent;
}
.tabbar svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.tabbar a[aria-current="true"] { color: var(--text); }
.tabbar a[aria-current="true"] svg { stroke: var(--accent-text); }
.tabbar a[aria-current="true"]::before {
  content: ""; position: absolute; top: -6px; left: 50%; width: 28px; height: 3px; margin-left: -14px;
  border-radius: 0 0 3px 3px; background: var(--accent);
}

/* ---------- Installationsguide (iPhone/iPad m.fl.) ---------- */
.sheet { position: fixed; inset: 0; z-index: 80; display: flex; align-items: flex-end; justify-content: center; }
.sheet[hidden] { display: none; }
.sheet__backdrop { position: absolute; inset: 0; background: rgb(0 0 0 / .5); animation: fade-in .2s ease both; }
.sheet__panel {
  position: relative; width: 100%; max-width: 480px; margin: 0 12px calc(12px + env(safe-area-inset-bottom));
  background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 22px;
  padding: 20px 20px 16px; box-shadow: 0 20px 60px rgb(0 0 0 / .4);
  animation: sheet-in .3s cubic-bezier(.2, .9, .3, 1.1) both;
}
.sheet__close { position: absolute; top: 8px; right: 8px; }
.sheet__head { display: flex; align-items: center; gap: 14px; padding-right: 36px; }
.sheet__head img { width: 48px; height: 48px; border-radius: 12px; flex: none; }
.sheet__head h2 { margin: 0; font: 800 1.2rem/1.2 var(--font-display); }
.sheet__head p { margin: 2px 0 0; color: var(--muted); font-size: .88rem; }
.sheet__steps { list-style: none; counter-reset: step; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.sheet__steps li {
  counter-increment: step; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px;
  padding: 10px 12px 10px 48px; position: relative; min-height: 48px;
  background: var(--surface-2, var(--bg)); border: 1px solid var(--line); border-radius: 14px; font-size: .95rem;
}
.sheet__steps li::before {
  content: counter(step); position: absolute; left: 12px; top: 50%; margin-top: -13px;
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--on-accent); font-weight: 800; font-size: .85rem;
}
.sheet__steps i { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); vertical-align: middle; }
.sheet__steps .muted i { width: 22px; height: 22px; border-radius: 6px; }
.sheet__steps svg { width: 18px; height: 18px; fill: none; stroke: var(--accent-text); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sheet__steps svg circle { fill: var(--accent-text); stroke: none; }
.sheet__steps .muted { color: var(--muted); font-size: .82rem; }
.sheet__hint { margin: 12px 2px 0; color: var(--muted); font-size: .85rem; }
.sheet__arrow { display: none; justify-content: center; margin-top: 6px; }
.sheet__arrow svg { width: 30px; height: 30px; fill: none; stroke: var(--accent); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.sheet__arrow.is-down { display: flex; animation: nudge 1.2s ease-in-out infinite; }
@keyframes nudge { 50% { transform: translateY(6px); } }
@keyframes sheet-in { from { transform: translateY(40px); opacity: 0; } }
@keyframes fade-in { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .toast, .sheet__panel, .sheet__backdrop, .sheet__arrow.is-down { animation: none; } }