/* ============================================================
   Meme-Studio CH — app.css
   Palette: Knallig Violett #7c3aed + Gelb, Internet-Meme-Vibe
   ============================================================ */

:root {
  --violet: #7c3aed;
  --violet-deep: #5b21b6;
  --violet-soft: #a78bfa;
  --yellow: #facc15;
  --yellow-bright: #fde047;

  --bg: #f4f1fb;
  --bg-grad-a: #ede9fe;
  --bg-grad-b: #faf5ff;
  --surface: #ffffff;
  --surface-2: #f6f2ff;
  --text: #1a1030;
  --text-soft: #5b5470;
  --border: #e2d9f5;
  --border-strong: #c9b8ef;
  --accent: var(--violet);
  --accent-contrast: #ffffff;
  --shadow: 0 8px 30px rgba(124, 58, 237, 0.14);
  --ring: 0 0 0 3px rgba(124, 58, 237, 0.45);

  --radius: 16px;
  --radius-sm: 10px;
  --gap: 16px;
  --maxw: 1120px;

  --font: "Trebuchet MS", "Segoe UI", system-ui, -apple-system, sans-serif;
  --impact: Impact, "Haettenschweiler", "Arial Black", "Franklin Gothic Bold", sans-serif;
}

[data-theme="dark"] {
  --bg: #140a26;
  --bg-grad-a: #1c1038;
  --bg-grad-b: #0f0820;
  --surface: #20143b;
  --surface-2: #2a1a4d;
  --text: #f1ecff;
  --text-soft: #b9aede;
  --border: #38255f;
  --border-strong: #4c3380;
  --shadow: 0 10px 34px rgba(0, 0, 0, 0.5);
  --ring: 0 0 0 3px rgba(167, 139, 250, 0.55);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, var(--bg-grad-a), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, var(--bg-grad-b), transparent 60%),
    var(--bg);
  min-height: 100vh;
  min-height: 100dvh;
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
  overflow-x: hidden;
}

/* ---------- Accessibility helpers ---------- */
.visually-hidden,
.skip-link {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: fixed;
  top: 12px; left: 12px;
  width: auto; height: auto;
  clip: auto;
  margin: 0; padding: 10px 16px;
  background: var(--violet);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 6px;
}

/* ---------- Header ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-logo {
  border-radius: 12px;
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}
.brand-text { min-width: 0; }
.brand-text h1 {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: 0.5px;
  line-height: 1.1;
  word-break: break-word;
}
.brand-text h1 .ch {
  color: var(--violet);
  background: var(--yellow-bright);
  padding: 0 6px;
  border-radius: 6px;
}
[data-theme="dark"] .brand-text h1 .ch { color: #1a1030; }
.tagline {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--text-soft);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  transition: transform 0.08s ease, background 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  color: var(--text);
  background: var(--surface-2);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: #fff;
  box-shadow: var(--shadow);
  border-color: var(--violet-deep);
}
.btn-primary:hover { box-shadow: 0 10px 28px rgba(124, 58, 237, 0.4); }

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface-2); }

.btn-icon {
  width: 44px; height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--surface);
  border-color: var(--border-strong);
}

.btn-block { width: 100%; }

/* ---------- Layout ---------- */
.layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 18px 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: var(--gap);
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.panel-head h2 { margin: 0; font-size: 1.1rem; }
.hint { color: var(--text-soft); font-size: 0.82rem; }

/* ---------- Canvas / Vorschau ---------- */
.preview-panel { position: sticky; top: 12px; }
.canvas-wrap {
  background:
    repeating-conic-gradient(var(--surface-2) 0% 25%, transparent 0% 50%) 50% / 28px 28px;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
#memeCanvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  background: #2a2a2a;
}
.preview-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.preview-actions .btn { flex: 1 1 160px; }

/* ---------- Form ---------- */
.group {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin: 0 0 14px;
  background: var(--surface-2);
}
.group legend {
  font-weight: 800;
  padding: 0 8px;
  color: var(--violet);
  letter-spacing: 0.4px;
}
[data-theme="dark"] .group legend { color: var(--violet-soft); }

.field { margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-soft);
}
.field-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.field-row .field { flex: 1 1 120px; margin-bottom: 12px; }

input[type="text"],
select {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
}
input[type="text"]::placeholder { color: var(--text-soft); opacity: 0.75; }

input[type="range"] {
  width: 100%;
  accent-color: var(--violet);
}
input[type="color"] {
  width: 100%;
  height: 44px;
  padding: 2px;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

output#fontSizeOut {
  font-weight: 800;
  color: var(--violet);
}
[data-theme="dark"] output#fontSizeOut { color: var(--violet-soft); }

.check-field .switch {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}
.check-field input[type="checkbox"] {
  width: 20px; height: 20px;
  accent-color: var(--violet);
  cursor: pointer;
}

/* ---------- Hintergrund-Tabs ---------- */
.bg-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.bg-tab {
  flex: 1;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-soft);
  cursor: pointer;
}
.bg-tab.is-active {
  background: var(--violet);
  color: #fff;
  border-color: var(--violet-deep);
}

.file-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  padding: 22px 14px;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.file-drop:hover,
.file-drop.is-dragover {
  border-color: var(--violet);
  background: var(--surface-2);
}
.file-drop-icon { font-size: 1.8rem; }
.file-drop-text { font-weight: 800; }
.file-drop-sub { font-size: 0.78rem; color: var(--text-soft); }

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 10px;
}
.preset-swatch {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  border: 3px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 4px;
}
.preset-swatch.is-active {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px var(--violet);
}
.preset-swatch span {
  font-size: 0.62rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  background: rgba(0,0,0,0.32);
  padding: 1px 5px;
  border-radius: 6px;
  pointer-events: none;
}

/* ---------- Vorschlags-Chips ---------- */
.suggest-block { margin-top: 6px; }
.suggest-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-soft);
  margin-bottom: 8px;
}
.suggest-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 7px 11px;
  border-radius: 999px;
  border: 2px solid var(--violet);
  background: transparent;
  color: var(--violet);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, transform 0.08s ease;
}
[data-theme="dark"] .chip { color: var(--violet-soft); border-color: var(--violet-soft); }
.chip:hover {
  background: var(--violet);
  color: #fff;
  transform: translateY(-1px);
}

/* ---------- Footer ---------- */
.app-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 18px 26px;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.82rem;
}

/* ---------- Toasts ---------- */
.toast-host {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
  width: min(92vw, 420px);
  pointer-events: none;
}
.toast {
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--violet);
  border-left-width: 6px;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  box-shadow: var(--shadow);
  font-weight: 600;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast.is-show { opacity: 1; transform: translateY(0); }
.toast.is-error { border-color: #e11d48; }
.toast.is-ok { border-color: #16a34a; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .preview-panel { position: static; }
}

@media (max-width: 480px) {
  .brand-text h1 { font-size: 1.2rem; }
  .header-actions { width: 100%; justify-content: flex-end; }
  .preview-actions .btn { flex: 1 1 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}