/* müll – Styles. System-Fonts, Light/Dark über prefers-color-scheme, mobil zuerst. */

:root {
  color-scheme: light dark;

  --color-bg: #ffffff;
  --color-surface: #f2f6f3;
  --color-text: #16201a;
  --color-muted: #4a5a50;
  --color-accent: #1a6b3c;
  --color-accent-hover: #13532e;
  --color-on-accent: #ffffff;
  --color-border: #6b7c71;
  --color-line: #d5dfd8;
  --color-focus: #1a6b3c;
  --color-error: #b3261e;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --radius: 0.5rem;
  --measure: 44rem;
  --tap: 2.75rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #101a14;
    --color-surface: #18241d;
    --color-text: #e6eee9;
    --color-muted: #a9b8ae;
    --color-accent: #7ccf9c;
    --color-accent-hover: #a3e0ba;
    --color-on-accent: #0b1a11;
    --color-border: #7f9386;
    --color-line: #2c3b32;
    --color-focus: #9fe0b8;
    --color-error: #ffb4ab;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
  /* Lange Strassennamen dürfen bei 320 px umbrechen statt horizontal zu scrollen */
  overflow-wrap: break-word;
}

main {
  flex: 1;
  width: 100%;
  max-width: calc(var(--measure) + 2 * var(--space-3));
  margin-inline: auto;
  padding: var(--space-4) var(--space-3) var(--space-5);
  container-type: inline-size;

  &:focus {
    outline: none;
  }
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-block: var(--space-4) var(--space-2);
  hyphens: auto;
}

h1 {
  font-size: clamp(1.6rem, 1.2rem + 2vw, 2.2rem);
  margin-top: 0;
}

h2 {
  font-size: 1.3rem;
}

p {
  margin-block: var(--space-2);
}

a {
  color: var(--color-accent);
  text-underline-offset: 0.15em;

  &:hover {
    text-decoration-thickness: 0.15em;
  }
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

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

[hidden] {
  display: none !important;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.25em;
}

/* Skip-Link: sichtbar beim Fokus */
.skip-link {
  position: absolute;
  inset-inline-start: var(--space-3);
  top: var(--space-2);
  z-index: 10;
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: var(--radius);
  transform: translateY(-200%);

  &:focus {
    transform: none;
  }
}

/* Kopf und Fuss */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--tap);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.site-header__logo {
  color: var(--color-accent);
  flex-shrink: 0;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: var(--tap);
  color: var(--color-text);
  text-decoration: none;

  &:hover,
  &[aria-current="page"] {
    color: var(--color-accent);
    text-decoration: underline;
  }
}

.site-footer {
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.9375rem;

  & ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin: 0 0 var(--space-2);
    padding: 0;
    list-style: none;
  }

  & a {
    display: inline-block;
    padding-block: var(--space-2);
  }

  & p {
    margin: 0;
  }
}

/* Formulare */
.search {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-1);

  /* Label einer Fehlermeldung farblich zuordnen */
  &:has([aria-invalid="true"]) label {
    color: var(--color-error);
  }
}

label {
  font-weight: 600;
}

.optional,
.hint {
  font-weight: 400;
  color: var(--color-muted);
}

.hint {
  margin: 0;
  font-size: 0.9375rem;
}

.error {
  margin: 0;
  color: var(--color-error);
  font-weight: 600;

  &:empty {
    display: none;
  }
}

input,
button,
.button {
  font: inherit;
  min-height: var(--tap);
  border-radius: var(--radius);
}

input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  background: var(--color-bg);
  border: 2px solid var(--color-border);

  &[aria-invalid="true"] {
    border-color: var(--color-error);
  }
}

.inline input,
.filter input[name="plz"] {
  width: 16rem;
  max-width: 100%;
}

.inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  justify-self: start;
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
  color: var(--color-on-accent);
  background: var(--color-accent);
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;

  &:hover {
    background: var(--color-accent-hover);
    color: var(--color-on-accent);
    text-decoration: none;
  }

  &:disabled {
    cursor: progress;
    opacity: 0.7;
  }
}

.button--secondary {
  color: var(--color-accent);
  background: transparent;
  border-color: var(--color-accent);

  &:hover {
    color: var(--color-on-accent);
  }
}

.link-button {
  min-height: var(--tap);
  padding: 0;
  font-weight: 400;
  color: var(--color-accent);
  background: none;
  border: 0;
  text-decoration: underline;

  &:hover {
    background: none;
    color: var(--color-accent-hover);
  }
}

/* Suchleiste: «Was?» gross, «Wo?» kürzer, Button am Schluss. Schmal untereinander. */
.search {
  & input:not([type="hidden"]) {
    min-height: 3.5rem;
    padding: var(--space-2) var(--space-3);
    font-size: 1.25rem;
    border-width: 3px;
    border-radius: calc(var(--radius) * 1.5);
  }

  & label {
    font-size: 1.125rem;
  }

  & .search__where input {
    max-width: 16rem;
  }

  & > button {
    justify-self: stretch;
    min-height: 3.5rem;
    font-size: 1.125rem;
  }
}

.field__messages {
  display: grid;
  gap: var(--space-1);
  align-content: start;
}

/* Breit: eine Leiste. Ohne Subgrid (ältere Browser) bleibt es untereinander. */
@container (min-width: 40rem) {
  @supports (grid-template-rows: subgrid) {
    .search {
      grid-template-columns: 1fr minmax(11rem, 15rem) auto;
      grid-template-rows: auto auto auto;
      column-gap: 0;
      row-gap: var(--space-1);

      & .field {
        grid-row: 1 / span 3;
        grid-template-rows: subgrid;
        gap: inherit;
      }

      & .field__messages {
        padding-inline-end: var(--space-3);
      }

      & .search__where input {
        max-width: none;
      }

      & input:not([type="hidden"]) {
        border-inline-end-width: 0;
        border-radius: 0;

        /* Fokusrahmen nicht vom Nachbarn verdecken lassen */
        &:focus-visible {
          position: relative;
          z-index: 1;
        }
      }

      & .search__what input {
        border-start-start-radius: calc(var(--radius) * 1.5);
        border-end-start-radius: calc(var(--radius) * 1.5);
      }

      & > button {
        grid-row: 2;
        border-radius: 0 calc(var(--radius) * 1.5) calc(var(--radius) * 1.5) 0;
      }
    }
  }
}

.plz-choices {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.plz-form,
.filter {
  margin-block: var(--space-4);
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius);
}

.filter {
  display: grid;
  gap: var(--space-3);

  & fieldset {
    margin: 0;
    padding: 0;
    border: 0;
  }

  & legend {
    font-weight: 600;
    margin-bottom: var(--space-1);
  }
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);

  & label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: var(--tap);
    font-weight: 400;
    cursor: pointer;
  }

  & input {
    width: 1.25rem;
    height: 1.25rem;
    min-height: 0;
    accent-color: var(--color-accent);
  }
}

.lead {
  font-size: 1.15rem;
}

.muted {
  color: var(--color-muted);
}

/* Brotkrümel */
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 var(--space-3);
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;

  & li + li::before {
    content: "›";
    padding-inline: var(--space-2);
    color: var(--color-muted);
  }

  & a {
    display: inline-block;
    padding-block: var(--space-1);
  }

  & [aria-current="page"] {
    color: var(--color-text);
    text-decoration: none;
  }
}

.prose {
  max-width: var(--measure);
}

/* Entsorgungswege */
.ways {
  margin: var(--space-4) 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.way {
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);

  &:first-child:not(:only-child) {
    border: 2px solid var(--color-accent);
  }

  & h2 {
    margin-top: 0;
    font-size: 1.25rem;
  }

  & h3 {
    font-size: 1rem;
    margin-block: var(--space-3) var(--space-1);
  }

  & p {
    margin-block: var(--space-1);
  }
}

.way__note {
  font-weight: 600;
}

.badge {
  display: inline-block;
  margin-inline-end: var(--space-2);
  padding: 0.1em 0.5em;
  font-size: 0.8125rem;
  vertical-align: middle;
  color: var(--color-on-accent);
  background: var(--color-accent);
  border-radius: 1em;
}

.dates,
.locations,
.result-list,
.calendar,
.calendar ul,
.share__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.dates li {
  padding-block: var(--space-1);
  border-bottom: 1px solid var(--color-line);

  & time {
    font-weight: 600;
  }
}

.dates__place {
  display: block;
  color: var(--color-muted);
}

.locations {
  display: grid;
  gap: var(--space-2);
}

@container (min-width: 36rem) {
  .locations {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Karte zu einer Standortliste; die Liste bleibt die Hauptinformation. Nur mit JavaScript sichtbar;
   wo der Browser (scripting: enabled) kennt, ist der Platz sofort reserviert (kein Layout-Sprung). */
.map {
  position: relative;
  margin-block: var(--space-3);

  &:not(.map--on) {
    display: none;
  }
}

@media (scripting: enabled) {
  .map:not(.map--on) {
    display: block;
  }
}

.map__canvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 60vh;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

@container (min-width: 40rem) {
  .map__canvas {
    aspect-ratio: 16 / 9;
  }
}

.map__load {
  position: absolute;
  inset: 50% auto auto 50%;
  translate: -50% -50%;
}

/* Erscheint nur bei Tastaturfokus */
.map__skip {
  position: absolute;
  inset: var(--space-2) auto auto var(--space-2);
  z-index: 1001;
  padding: var(--space-1) var(--space-2);
  color: var(--color-on-accent);
  background: var(--color-accent);
  border-radius: var(--radius);

  &:not(:focus) {
    clip-path: inset(50%);
    width: 1px;
    height: 1px;
    overflow: hidden;
  }
}

/* Leaflet setzt auf Kacheln mix-blend-mode: plus-lighter (gegen Haarlinien beim Zoomen in Chrome).
   axe kennt diesen Modus nicht, bricht ab und überspringt die Kontrastprüfung der ganzen Seite.
   Wir zoomen nur in ganzen Stufen; dabei treten die Haarlinien kaum auf. */
.map .leaflet-container img.leaflet-tile {
  mix-blend-mode: normal;
}

/* Quellenangabe deckend statt halbtransparent: #0078A8 von Leaflet liegt über Kacheln unter 4.5:1. */
.map .leaflet-container .leaflet-control-attribution {
  color: #16201a;
  background: #ffffff;

  & a {
    color: #1a6b3c;
  }
}

/* Marker: feste Farben, weil die Kacheln auch im Dark Mode hell sind. Nummer wie in der Liste.
   Mit .map davor, weil leaflet.css später geladen wird und .leaflet-marker-icon sonst gewinnt. */
.map .map-pin {
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  color: #ffffff;
  background: #1a6b3c;
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px #16201a;
}

.map .map-pin--here {
  background: #0b57d0;
}

.location__nr {
  display: inline-grid;
  place-items: center;
  min-width: 1.75em;
  height: 1.75em;
  margin-inline-end: var(--space-2);
  padding-inline: 0.25em;
  font-size: 0.8125rem;
  color: #ffffff;
  background: #1a6b3c;
  border-radius: 1em;
  vertical-align: 0.1em;
}

.location {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius);

  & p {
    margin: 0;
  }
}

.location__name {
  font-weight: 600;
}

.location__distance {
  font-weight: 600;
  color: var(--color-accent);
}

.result-list li {
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-line);

  & a {
    display: inline-block;
    min-height: var(--tap);
    padding-block: var(--space-2);
    font-weight: 600;
  }

  & .muted {
    display: block;
  }
}

.calendar {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.calendar__day {
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-line);

  & h2 {
    margin: 0 0 var(--space-1);
    font-size: 1.1rem;
  }

  & li .muted {
    display: block;
  }
}

.plz-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  list-style: none;

  & a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--tap);
    min-height: var(--tap);
    padding-inline: var(--space-2);
  }
}

details summary {
  min-height: var(--tap);
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
}

/* Teilen */
.share {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
}

.share__title {
  margin-top: 0;
  font-size: 1.1rem;
}

.share__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);

  &:not(:has(button:not([hidden]))) {
    display: none;
  }
}

.share__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-3);
  margin-top: var(--space-2);

  & a {
    display: inline-block;
    padding-block: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (forced-colors: active) {
  button,
  .button,
  .badge {
    border: 1px solid ButtonText;
  }

  .icon {
    stroke: CanvasText;
  }
}

@media print {
  .site-nav,
  .site-footer,
  .share,
  .plz-form,
  .skip-link {
    display: none;
  }
}