:root {
  --bg: #f4f3f8;
  --surface: #ffffff;
  --text: #1d1b2e;
  --muted: #6b6880;
  --primary: #4b3fc7;
  --primary-text: #ffffff;
  --border: #dddbe8;
  --danger: #c62828;
  --ok: #2e7d32;
  --topbar: #1d1b3a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121120;
    --surface: #1e1c30;
    --text: #eeecf8;
    --muted: #a19db8;
    --primary: #7b6ff0;
    --border: #35324d;
    --topbar: #0b0a16;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  display: flex; align-items: center; gap: 8px;
  padding: calc(env(safe-area-inset-top) + 8px) 12px 8px;
  background: var(--topbar); color: #fff;
  position: sticky; top: 0; z-index: 5;
}
.topbar h1 { flex: 1; font-size: 1.05rem; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.icon-btn { background: none; border: 0; color: inherit; font-size: 1.4rem; width: 40px; height: 40px; border-radius: 8px; cursor: pointer; }
.icon-btn:active { background: rgba(255,255,255,.15); }

main { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.screen { flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 12px 16px calc(env(safe-area-inset-bottom) + 12px); min-height: 0; }
.screen[hidden] { display: none; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.narrow { max-width: 420px; width: 100%; margin: 8vh auto 0; display: flex; flex-direction: column; gap: 12px; }
.lead { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.error { color: var(--danger); margin: 0; }

label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; }
label.inline { flex-direction: row; align-items: center; gap: 6px; }
input[type=email], input[type=password] {
  font-size: 1rem; padding: 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
}

.btn {
  font: inherit; padding: 11px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; min-height: 44px;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); font-weight: 600; }
.btn:disabled { opacity: .45; cursor: default; }
.btn.block { width: 100%; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.segmented button { font: inherit; border: 0; background: var(--surface); color: var(--text); padding: 10px 16px; cursor: pointer; }
.segmented button.active { background: var(--primary); color: var(--primary-text); }

.order-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.order { cursor: pointer; }
.order:active { transform: scale(.99); }
.order-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.order-text { margin: 6px 0; font-style: italic; }
.badge { font-size: .75rem; padding: 3px 8px; border-radius: 99px; background: var(--border); }
.badge.open { background: #fff3cd; color: #7a5b00; }
.badge.completed { background: #d8f0da; color: var(--ok); }

.steps { display: flex; gap: 6px; font-size: .8rem; }
.steps span { flex: 1; text-align: center; padding: 6px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); }
.steps span.active { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }

.hint { background: var(--surface); border-left: 4px solid var(--primary); border-radius: 8px; padding: 8px 12px; }
.hint-text { font-size: 1.1rem; font-weight: 600; margin-top: 2px; }

/* Schreiben: Vollbild im Querformat. Die Zeichenfläche füllt den ganzen Bildschirm,
   Werkzeuge (links), Hinweistext (rechts oben) und "Weiter" (rechts unten) liegen darüber. */
body.writing .topbar { display: none; }
#screen-write {
  position: fixed; inset: 0; z-index: 20; background: #fff; padding: 0; overflow: hidden; color: #1d1b2e;
  --inset-t: max(8px, env(safe-area-inset-top));
  --inset-r: max(8px, env(safe-area-inset-right));
  --inset-b: max(8px, env(safe-area-inset-bottom));
  --inset-l: max(8px, env(safe-area-inset-left));
}
.pad-area { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: #e9e8ef; }
.pad-wrap { position: relative; background: #fff; overflow: hidden; }
.pad-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
.pad-guide { position: absolute; inset: 0; pointer-events: none; user-select: none; }
.pad-guide.signature::after { content: ""; position: absolute; left: 14%; right: 14%; bottom: 25%; border-bottom: 2px dashed rgba(40, 40, 80, .2); }

.write-side { position: absolute; z-index: 1; display: flex; flex-direction: column; gap: 8px; }
.write-side { transition: opacity .2s; }
#screen-write.drawing .write-side { opacity: .12; }
.write-side.left { top: var(--inset-t); left: var(--inset-l); }
.write-side.right {
  top: var(--inset-t); right: var(--inset-r); bottom: var(--inset-b); width: clamp(120px, 20vw, 230px);
  pointer-events: none; /* nur die Buttons sind klickbar, der Rest gehört zur Zeichenfläche */
}
.write-side.right > * { pointer-events: none; }
.write-side.right .btn { pointer-events: auto; margin-top: auto; width: 100%; box-shadow: 0 2px 10px rgba(0,0,0,.2); }
.tool {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  width: 54px; height: 50px; border-radius: 12px; border: 1px solid rgba(0,0,0,.08); background: rgba(255,255,255,.85);
  box-shadow: 0 2px 8px rgba(0,0,0,.12); color: #1d1b2e; font: inherit; font-size: 1.2rem; cursor: pointer; line-height: 1;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.tool small { font-size: .6rem; color: #6b6880; }
.tool:disabled { opacity: .45; }
.tool.active { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary) inset; }
.write-step, .write-hint, .write-size {
  background: rgba(255,255,255,.8); border-radius: 10px; padding: 6px 10px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.write-step { font-weight: 700; font-size: .9rem; color: #4b3fc7; align-self: flex-end; }
.write-hint { font-size: .85rem; max-height: 45%; overflow: hidden; }
.write-hint .muted { color: #6b6880; }
.write-hint .hint-text { font-size: 1rem; font-weight: 600; margin-top: 2px; }
.write-size { margin: 0; font-size: .68rem; color: #6b6880; }

.settings-pop {
  position: absolute; left: calc(var(--inset-l) + 64px); top: var(--inset-t);
  display: flex; flex-direction: column; gap: 12px; padding: 14px; z-index: 2;
  background: #fff; border: 1px solid #d3d1de; border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.settings-pop input[type=color] { width: 40px; height: 32px; border: 0; padding: 0; background: none; }

/* Hochformat auf Touch-Geräten: Hinweis zum Drehen statt Zeichenfläche */
.rotate-hint { display: none; }
@media (orientation: portrait) and (pointer: coarse) {
  #screen-write > .rotate-hint {
    display: flex; position: absolute; inset: 0; z-index: 3; flex-direction: column;
    align-items: center; justify-content: center; gap: 8px; background: #1d1b3a; color: #fff; text-align: center; padding: 24px;
  }
  .rotate-icon { font-size: 4rem; animation: vg-rotate 1.8s ease-in-out infinite; }
}
@keyframes vg-rotate { 0%, 20% { transform: rotate(0); } 60%, 100% { transform: rotate(-90deg); } }

.previews { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 720px) { .previews { grid-template-columns: 1fr 1fr; } }
figure { margin: 0; }
figcaption { font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
.preview { background: #fff; border-radius: 6px; box-shadow: 0 0 0 1px var(--border); overflow: hidden; max-height: 45vh; margin: 0 auto; }
.preview canvas, .preview video { display: block; width: 100%; height: 100%; object-fit: contain; }

.progress-bar { height: 10px; background: var(--border); border-radius: 99px; overflow: hidden; }
.progress-bar div { height: 100%; width: 0; background: var(--primary); transition: width .15s; }

.toast {
  position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 20px); transform: translateX(-50%);
  background: #222; color: #fff; padding: 10px 16px; border-radius: 10px; z-index: 10; max-width: 90vw;
}
.toast[hidden] { display: none; }