:root {
  --bg: #0b0b0f;
  --bg-2: #131319;
  --bg-3: #1b1b23;
  --line: #2a2a35;
  --line-soft: #222229;
  --fg: #f2f3f7;
  --fg-dim: #9aa0ae;
  --accent: #4f8cff;
  --accent-2: #8b5cf6;
  --danger: #ff5f6d;
  --radius: 14px;
  --bar-h: 76px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --bg-2: #ffffff;
    --bg-3: #eef0f6;
    --line: #dcdfe8;
    --line-soft: #e6e9f0;
    --fg: #14161d;
    --fg-dim: #656d7e;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-feature-settings: "kern" 1, "liga" 1, "tnum" 0;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
  /* Verhindert das Doppeltipp-Zoom des Browsers: ein zweiter schneller Tipp auf
     eine Kachel oder einen Knopf hat sonst die ganze Seite vergroessert.
     Zwei-Finger-Zoom der Seite bleibt erhalten. */
  touch-action: manipulation;
}

body {
  min-height: 100dvh;
  padding-bottom: calc(var(--bar-h) + env(safe-area-inset-bottom));
  position: relative;
}

/* Sanftes Umgebungslicht im Hintergrund */
body::before {
  content: "";
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 70vh;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(48% 55% at 18% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(42% 50% at 84% 8%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 70%);
  filter: blur(20px);
  opacity: .55;
}
@media (prefers-color-scheme: light) { body::before { opacity: .35; } }

h1, h2 { margin: 0; font-weight: 650; letter-spacing: -0.015em; }

/* ---------------- Topbar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  padding-top: calc(12px + env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-soft);
}

.brand { display: flex; align-items: center; gap: 12px; }

/* Vier Felder mit weisser Fuge – dasselbe Motiv wie das Favicon.
   conic-gradient legt die Farben quadrantenweise, darueber das weisse Kreuz. */
.logo {
  width: 34px; height: 34px; border-radius: 8px; flex: none;
  background:
    linear-gradient(#fff, #fff) center / 3px 100% no-repeat,
    linear-gradient(#fff, #fff) center / 100% 3px no-repeat,
    conic-gradient(#b9d425 0 25%, #2b86e0 0 50%, #2ebc4e 0 75%, #dc322c 0);
  box-shadow: 0 6px 18px -10px rgba(0, 0, 0, .9);
}

.brand h1 { font-size: 17px; line-height: 1.15; }
.brand p { margin: 2px 0 0; font-size: 11.5px; color: var(--fg-dim); }

/* ---------------- Layout ---------------- */
.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 18px 16px 8px;
  max-width: 1500px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .layout {
    grid-template-columns: minmax(440px, 620px) 1fr;
    align-items: start;
    gap: 26px;
    padding: 26px 26px 8px;
  }
  .preview-pane {
    position: sticky;
    top: calc(72px + env(safe-area-inset-top));
  }
}

/* ---------------- Panel / Blocks ---------------- */
.panel { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.block {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--fg) 3%, transparent), transparent 42%),
    var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--fg) 6%, transparent) inset,
              0 10px 30px -24px rgba(0, 0, 0, .9);
}

.block > h2, .block-head h2, .advanced summary h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--fg-dim);
  margin-bottom: 10px;
}
.block-head h2 { margin-bottom: 0; }

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.hint { color: var(--accent); text-transform: none; letter-spacing: 0; margin-left: 8px; font-weight: 600; }

/* ---------------- Chips ---------------- */
.chips { display: flex; gap: 6px; flex-wrap: wrap; }

.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 12.5px;
  padding: 5px 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.chip:hover { border-color: var(--fg-dim); }
.chip.active { background: var(--fg); color: var(--bg); border-color: var(--fg); font-weight: 600; }

/* ---------------- Template grid ---------------- */
/* Kein eigener Scrollbalken – das Raster waechst mit und scrollt mit der Seite.
   Das Innenpolster gibt dem Hover-Effekt oben Luft, sonst wirkt er abgeschnitten. */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 8px;
  padding: 4px;
}

.tpl {
  appearance: none;
  background: linear-gradient(180deg, color-mix(in srgb, var(--fg) 5%, transparent), transparent), var(--bg-3);
  border: 2px solid transparent;
  border-radius: 11px;
  padding: 5px;
  cursor: pointer;
  aspect-ratio: 1;
  display: block;
  transition: border-color .15s, transform .14s cubic-bezier(.2,.9,.3,1.4), box-shadow .15s;
}
.tpl:hover { transform: translateY(-3px); box-shadow: 0 10px 22px -14px rgba(0,0,0,.9); }
.tpl.active { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.tpl svg { width: 100%; height: 100%; display: block; }
.tpl rect { fill: color-mix(in srgb, var(--fg) 12%, transparent); stroke: var(--fg); stroke-width: 3; }
.tpl.active rect { stroke: var(--accent); fill: color-mix(in srgb, var(--accent) 16%, transparent); }

.tpl.custom { display: grid; place-items: center; border: 2px dashed var(--line); color: var(--accent); font-size: 8px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; text-align: center; line-height: 1.2; padding: 2px; }
.tpl.custom.active { border-style: dashed; }

/* ---------------- Segmented control ---------------- */
.seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  background: var(--bg-3);
  border-radius: 11px;
  padding: 4px;
}
.seg.wrap { grid-auto-flow: row; grid-template-columns: repeat(4, 1fr); }

.seg button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--fg-dim);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 4px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.seg button:hover { color: var(--fg); }
.seg button.active {
  background: var(--bg-2);
  color: var(--fg);
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
}

/* ---------------- Farbe ---------------- */
.color-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }

.swatch {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid var(--line);
  cursor: pointer;
  padding: 0;
  transition: transform .12s, border-color .15s;
}
.swatch:hover { transform: scale(1.08); }
.swatch.active { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }

.color-picker {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--fg-dim);
  background: var(--bg-3); border-radius: 9px; padding: 5px 10px 5px 5px;
  cursor: pointer;
}
.color-picker input[type=color] {
  width: 28px; height: 28px; border: 0; padding: 0; background: none; cursor: pointer; border-radius: 6px;
}

/* ---------------- Erweitert ---------------- */
.advanced summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; }
.advanced summary::-webkit-details-marker { display: none; }
.advanced summary::after { content: "▾"; color: var(--fg-dim); transition: transform .2s; }
.advanced[open] summary::after { transform: rotate(180deg); }
.advanced summary h2 { margin-bottom: 0; }
.adv-body { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }

.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13.5px; }
.row select, .row input[type=range] { flex: 0 1 190px; }

.row select {
  appearance: none;
  background: var(--bg-3);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 10px;
  font: inherit;
  font-size: 13px;
}
.row input[type=range] { accent-color: var(--accent); }
.row.switch input { width: 20px; height: 20px; accent-color: var(--accent); }
.row b { color: var(--fg-dim); font-weight: 600; }

/* ---------------- Vorschau ---------------- */
.preview-pane { display: flex; flex-direction: column; gap: 12px; min-width: 0; }

/* Ueberschriften beider Spalten – gleiche Hoehe, damit sie auf einer Linie
   liegen. Auf dem Handy stehen sie untereinander und gliedern die Seite. */
.pane-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-height: 34px;
}
.pane-head h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--fg-dim);
  margin-right: auto;
}
.pager { display: flex; align-items: center; gap: 6px; font-size: 13px; font-variant-numeric: tabular-nums; }
.icon-btn {
  appearance: none; border: 1px solid var(--line); background: var(--bg-2); color: var(--fg);
  width: 30px; height: 30px; border-radius: 8px; font-size: 17px; line-height: 1; cursor: pointer;
}
.icon-btn:disabled { opacity: .35; cursor: default; }

.stage {
  position: relative;
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 90% at 50% 0%, color-mix(in srgb, var(--fg) 5%, transparent), transparent 65%),
    var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: calc(var(--radius) + 4px);
  padding: 16px;
  min-height: 260px;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--fg) 6%, transparent) inset;
}

#preview {
  max-width: min(100%, 340px);
  max-height: min(34vh, 340px);
  border-radius: 4px;
  box-shadow: 0 18px 50px -20px rgba(0,0,0,.7);
  touch-action: none;
  cursor: grab;
  display: none;
}
#preview.ready { display: block; }
#preview.dragging { cursor: grabbing; }

.empty { text-align: center; color: var(--fg-dim); padding: 30px 16px; }
.empty p { margin: 4px 0; font-size: 14px; }
.empty .sub { font-size: 12.5px; max-width: 34ch; margin-inline: auto; }
.empty-icon {
  width: 54px; height: 44px; margin: 0 auto 14px;
  border: 2px solid var(--line); border-radius: 6px;
  position: relative;
}
.empty-icon::before, .empty-icon::after {
  content: ""; position: absolute; background: var(--line);
}
.empty-icon::before { left: 50%; top: 4px; bottom: 4px; width: 2px; }
.empty-icon::after { top: 50%; left: 4px; right: 4px; height: 2px; }

.stage-hint { margin: 0; font-size: 12px; color: var(--fg-dim); text-align: center; }

.thumbs {
  display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 8px;
  scrollbar-width: thin;
}
.thumb {
  position: relative; flex: none;
  width: 56px; height: 56px; border-radius: 9px; overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-3);
  cursor: grab;
  touch-action: pan-x;           /* waagrecht scrollen, senkrecht ziehen */
  -webkit-user-select: none; user-select: none;
  transition: transform .12s, border-color .15s;
}
.thumb:hover { transform: translateY(-2px); border-color: var(--accent); }

/* Schwebendes Vorschaubild waehrend des Ziehens */
.drag-ghost {
  position: fixed; left: 0; top: 0; z-index: 80;
  width: 84px; height: 84px; border-radius: 12px; overflow: hidden;
  pointer-events: none;
  border: 2px solid var(--accent);
  box-shadow: 0 16px 40px -12px rgba(0,0,0,.75);
  opacity: .92;
}
.drag-ghost img { width: 100%; height: 100%; object-fit: cover; display: block; }

body.is-dragging { cursor: grabbing; -webkit-user-select: none; user-select: none; }
body.is-dragging .thumb { cursor: grabbing; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb span {
  position: absolute; left: 3px; top: 3px;
  background: rgba(0,0,0,.68); color: #fff;
  font-size: 10px; font-weight: 700; line-height: 1;
  padding: 3px 5px; border-radius: 5px;
}
.thumb.spare { opacity: .45; }

/* ---------------- Aktionsleiste ---------------- */
.actionbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--line-soft);
}

.actionbar button { flex: 1 1 auto; }
.actionbar .ghost-btn { flex: 0 1 auto; }

/* Auf dem Desktop muss der Speichern-Knopf nicht die halbe Leiste einnehmen:
   feste, schmale Breite und rechtsbuendig. Mobil bleibt er breit und gut
   treffbar – dort ist die Leiste die einzige Bedienflaeche. */
@media (min-width: 900px) {
  .actionbar { max-width: 1500px; margin: 0 auto; }
  .actionbar button { flex: 0 0 auto; }
  #saveBtn { margin-left: auto; min-width: 190px; }
}

.primary-btn, .accent-btn, .ghost-btn {
  appearance: none;
  font: inherit;
  font-weight: 650;
  font-size: 15px;
  padding: 13px 18px;
  border-radius: 12px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity .15s, transform .1s, background .15s;
  white-space: nowrap;
}
.primary-btn:active, .accent-btn:active, .ghost-btn:active { transform: scale(.98); }

.primary-btn { background: var(--bg-3); color: var(--fg); border-color: var(--line); }
.accent-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 26px -12px var(--accent), 0 1px 0 rgba(255,255,255,.25) inset;
  letter-spacing: .01em;
}
.accent-btn:hover:not(:disabled) { filter: brightness(1.07); }
.accent-btn:disabled { opacity: .4; box-shadow: none; cursor: default; }
.ghost-btn {
  background: transparent; color: var(--fg-dim); border-color: var(--line);
  font-size: 13.5px; padding: 13px 14px;
}
.ghost-btn:hover { color: var(--fg); }
.ghost-btn.danger:hover { color: var(--danger); border-color: var(--danger); }

.topbar .ghost-btn { padding: 8px 14px; font-size: 13px; }

/* ---------------- Toast / Overlay ---------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--bar-h) + 22px + env(safe-area-inset-bottom));
  transform: translate(-50%, 14px);
  background: var(--fg);
  color: var(--bg);
  font-size: 13.5px;
  font-weight: 600;
  padding: 11px 18px;
  border-radius: 999px;
  box-shadow: 0 12px 34px -12px rgba(0,0,0,.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s, transform .22s;
  z-index: 60;
  max-width: min(92vw, 460px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.overlay {
  position: fixed; inset: 0; z-index: 70;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  backdrop-filter: blur(6px);
}
.overlay-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 34px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.overlay-card p { margin: 0; font-size: 14px; color: var(--fg-dim); }
.spinner {
  width: 30px; height: 30px; border-radius: 50%;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}