/**
 * qr-code.css — QR-Code-Tool. Grundteile in werkzeug.css.
 * PC: Eingabe links, Vorschau rechts (klebt beim Scrollen).
 * Handy: untereinander.
 */
.qr { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; align-items: start; }
@media (min-width: 880px) {
  .qr { grid-template-columns: minmax(0, 1fr) 22rem; gap: 1.2rem; }
  .qr-vorschau { position: sticky; top: calc(var(--nav-h) + 1rem); }
}

/* ════════ EINGABE ════════ */
.qr-eingabe { display: flex; flex-direction: column; gap: 1.2rem; }
@media (max-width: 560px) {
  /* Am Handy nur Symbole in der Artwahl, der Name der aktiven Art bleibt stehen */
  .qr-arten button:not(.an) span { display: none; }
  .qr-arten button { flex: 1 1 auto; padding: 0.55rem 0.5rem; }
}
.qr-formular { display: flex; flex-direction: column; gap: 0.8rem; animation: qrFormAuf 0.25s var(--ease-out); }
@keyframes qrFormAuf { from { opacity: 0; transform: translateY(4px); } }

.qr-gestaltung {
  display: flex; flex-wrap: wrap; align-items: flex-start; gap: 1.1rem 2rem;
  padding-top: 1.1rem; border-top: 1px solid var(--border);
}
/* Code- und Hintergrundfarbe untereinander, die Form rechts daneben */
.qr-farbgruppen { display: flex; flex-direction: column; gap: 1rem; }

/* ── WLAN: Verschlüsselung als Umschalter, verstecktes Netz als Schalter ── */
.qr-wlan-unten { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 0.8rem 1.4rem; }
.qr-schutz { display: inline-flex; }
.qr-schutz button { flex: 0 0 auto; min-width: 4.6rem; }
.qr-schalter {
  position: relative; display: inline-flex; align-items: center; gap: 0.6rem;
  min-height: 46px; cursor: pointer; user-select: none;
  font-size: 0.88rem; font-weight: 600; color: var(--text2);
  -webkit-tap-highlight-color: transparent;
}
.qr-schalter input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.qr-schalter-bahn {
  position: relative; flex: 0 0 auto;
  width: 44px; height: 26px; border-radius: 999px;
  background: var(--border2);
  transition: background 0.22s var(--ease-out);
}
.qr-schalter-bahn::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 4px rgba(15, 42, 74, 0.25);
  transition: transform 0.25s cubic-bezier(0.34, 1.4, 0.6, 1);
}
.qr-schalter input:checked + .qr-schalter-bahn { background: var(--pri2); }
.qr-schalter input:checked + .qr-schalter-bahn::after { transform: translateX(18px); }
.qr-schalter input:focus-visible + .qr-schalter-bahn { outline: 2px solid var(--pri3); outline-offset: 2px; }

.qr-farben { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.qr-farbe {
  position: relative;
  width: 32px; height: 32px; border-radius: 50%;
  border: 0; padding: 0; cursor: pointer;
  background: var(--f);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s, box-shadow 0.15s;
}
.qr-farbe[aria-checked="true"] { box-shadow: 0 0 0 3px var(--card), 0 0 0 5px var(--f); transform: scale(0.88); }
/* Helle Hintergründe brauchen einen Rand, sonst verschwinden sie auf Weiß */
.qr-hg { box-shadow: inset 0 0 0 1.5px var(--border2); }
.qr-hg[aria-checked="true"] { box-shadow: inset 0 0 0 1.5px var(--border2), 0 0 0 3px var(--card), 0 0 0 5px var(--pri3); }
.qr-hg-durch, .qr-bild.durchsichtig {
  background-color: #fff;
  background-image: linear-gradient(45deg, #e4edf8 25%, transparent 25%), linear-gradient(-45deg, #e4edf8 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e4edf8 75%), linear-gradient(-45deg, transparent 75%, #e4edf8 75%);
  background-size: 12px 12px; background-position: 0 0, 0 6px, 6px -6px, -6px 0;
}
.qr-bild.durchsichtig { background-size: 18px 18px; background-position: 0 0, 0 9px, 9px -9px, -9px 0; }
.qr-farbe:focus { outline: none; }
.qr-farbe:focus-visible { box-shadow: 0 0 0 3px var(--card), 0 0 0 5px var(--pri3); }
.qr-farbe-eigen {
  display: inline-flex; align-items: center; justify-content: center;
  background: conic-gradient(#e74c3c, #f5a623, #2ecc71, #2288cc, #4b4fb8, #e74c3c);
  color: #fff; overflow: hidden;
}
.qr-farbe-eigen svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; filter: drop-shadow(0 1px 1px rgba(0,0,0,.3)); pointer-events: none; }
.qr-farbe-eigen input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; border: 0; padding: 0; }
.qr-farbe-eigen.gewaehlt { background: var(--f); box-shadow: 0 0 0 3px var(--card), 0 0 0 5px var(--f); transform: scale(0.88); }

.qr-formen { display: flex; gap: 0.4rem; }
.qr-formen button {
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
  width: 4.6rem; padding: 0.6rem 0.3rem 0.5rem;
  border: 0; border-radius: 14px;
  background: var(--card2); color: var(--muted);
  font: inherit; font-size: 0.72rem; font-weight: 600; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.2s, background 0.2s, box-shadow 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.qr-formen svg { width: 24px; height: 24px; fill: currentColor; transition: transform 0.25s var(--ease-out); }
/* Gewählt: hebt sich als weiße Karte mit Schatten ab, Zeichen in Blau.
   Kein Rahmen mehr (Sedricks Wunsch). */
.qr-formen button[aria-checked="true"] {
  background: var(--card); color: var(--pri);
  box-shadow: 0 6px 16px rgba(15, 42, 74, 0.12), 0 0 0 1px rgba(15, 42, 74, 0.04);
}
@media (hover: hover) {
  .qr-formen button:hover { transform: scale(1.07); color: var(--pri); }
  .qr-formen button:hover svg { transform: scale(1.06); }
}
.qr-formen button:active { transform: scale(0.95); }
.qr-formen button:focus { outline: none; }
.qr-formen button:focus-visible { box-shadow: 0 0 0 2px var(--pri3); }

/* ════════ VORSCHAU ════════ */
.qr-vorschau { display: flex; flex-direction: column; align-items: stretch; gap: 1rem; }
.qr-bild {
  position: relative;
  width: 100%; max-width: 19rem; margin: 0 auto;
  aspect-ratio: 1;
  border-radius: 20px;
  background: #fff;
}
.qr-bild canvas {
  display: block; width: 100%; height: 100%;
  transition: opacity 0.25s;
}
.qr-bild.leer canvas { opacity: 0; }
.qr-leer {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.7rem;
  border: 2px dashed var(--border2); border-radius: 20px;
  color: var(--muted); font-size: 0.88rem; font-weight: 600;
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.qr-bild.leer .qr-leer { opacity: 1; }
.qr-leer svg { width: 54px; height: 54px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; }
.qr-warnung { margin: -0.3rem 0 0; font-size: 0.8rem; font-weight: 600; color: #b8732b; text-align: center; }
.qr-aktionen { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.qr-aktionen .qr-blatt-knopf { grid-column: 1 / -1; }

/* ════════ BLATT-DIALOG ════════ */
.qr-blatt {
  width: min(52rem, calc(100vw - 2rem));
  flex-direction: row; align-items: stretch; gap: 1.4rem;
}
.qr-blatt-vorschau {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem; border-radius: 16px; background: var(--bg2);
}
.qr-blatt-vorschau canvas {
  display: block; width: min(19rem, 38vw); height: auto; aspect-ratio: 210 / 297;
  background: #fff; border-radius: 4px;
  box-shadow: 0 10px 30px rgba(15, 42, 74, 0.16);
}
.qr-blatt-einstellungen { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 0.9rem; }
.qr-blatt-einstellungen .wz-dialog-unten { margin-top: auto; }
.qr-blatt-info { margin: 0; font-size: 0.8rem; color: var(--sub); }
@media (max-width: 700px) {
  .qr-blatt { flex-direction: column; gap: 1rem; }
  .qr-blatt-vorschau { padding: 0.8rem; }
  .qr-blatt-vorschau canvas { width: min(11rem, 48vw); }
}

@media (prefers-reduced-motion: reduce) {
  .qr-formular { animation: none; }
}

/* ── Blatt gestalten: Feinschliff ── */
textarea.qr-blatt-textfeld { resize: none; }
.qr-blatt-optionen { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 0.6rem 1.2rem; }
.qr-blatt-optionen .qr-schalter { min-height: 40px; font-size: 0.82rem; }
.qr-blatt-vorschau canvas.wechsel { animation: qrBlattWechsel 0.4s var(--ease-out); }
@keyframes qrBlattWechsel { from { opacity: 0.2; transform: scale(0.96); } }
.qr-blatt-vorschau { background: radial-gradient(80% 70% at 50% 30%, #f4f8fd, var(--bg2)); }
.qr-blatt-vorschau canvas { box-shadow: 0 18px 40px rgba(15, 42, 74, 0.18), 0 2px 6px rgba(15, 42, 74, 0.08); border-radius: 6px; transition: transform 0.35s var(--ease-out); }
@media (hover: hover) { .qr-blatt-vorschau canvas:hover { transform: translateY(-3px) rotate(-0.4deg); } }
#qrBlattTextFeld[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) {
  .qr-blatt-vorschau canvas.wechsel { animation: none; }
}