/* ============================================================
   Klangshow (Klangfeld Menti) — gemeinsames Design
   Klangfeld Design System: warmes Creme (#fbf8f3), Neon-Akzente,
   Wasserfarben-Splashes, Marken-Fonts. Niemals Schwarz als BG.
   ============================================================ */

/* ─── Marken-Fonts (lokal aus /fonts) ──────────────────────── */
@font-face { font-family:'Best Light'; src:url('fonts/BestLight.ttf') format('truetype'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'Dreaming Out Loud Pro'; src:url('fonts/DreamingOutLoudPro-Regular.otf') format('opentype'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'Roca One'; src:url('fonts/RocaOne-Rg.ttf') format('truetype'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'Merriweather'; src:url('fonts/Merriweather-Light.ttf') format('truetype'); font-weight:300; font-style:normal; font-display:swap; }
@font-face { font-family:'Merriweather'; src:url('fonts/Merriweather-Regular.ttf') format('truetype'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'Merriweather'; src:url('fonts/Merriweather-Bold.ttf') format('truetype'); font-weight:700; font-style:normal; font-display:swap; }
@font-face { font-family:'Klang Sans'; src:url('fonts/JosefinSans-Light.ttf') format('truetype'); font-weight:300; font-style:normal; font-display:swap; }
@font-face { font-family:'Klang Sans'; src:url('fonts/JosefinSans-Regular.ttf') format('truetype'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'Klang Sans'; src:url('fonts/JosefinSans-SemiBold.ttf') format('truetype'); font-weight:600; font-style:normal; font-display:swap; }
@font-face { font-family:'Klang Sans'; src:url('fonts/JosefinSans-Bold.ttf') format('truetype'); font-weight:700; font-style:normal; font-display:swap; }

:root {
  /* Klangfeld Backgrounds — warm, nie schwarz */
  --bg-primary: #fbf8f3;
  --bg-cream-2: #f4f0e8;
  --bg-white:   #ffffff;

  /* Brand-Neons (hell, für Füllungen) */
  --neon-green:  #89f703;
  --neon-cyan:   #4aedfa;
  --neon-yellow: #fafa42;
  --neon-pink:   #f56fae;
  --neon-lav:    #9b7ff0;
  /* vertiefte, auf Creme lesbare Varianten (für Text/Akzente) */
  --green-deep:  #5bb800;
  --cyan-deep:   #11a7bd;
  --yellow-deep: #b8a200;
  --pink-deep:   #d63c84;
  --lav-deep:    #6b4fd0;

  /* Ink */
  --ink:        #1a1a1a;
  --ink-muted:  #5a5444;
  --ink-light:  #9a8f7a;
  --ink-on-neon:#1a1209;

  /* Glow — Intensität via --glow-k (0..1) */
  --glow-k: 0.5;
  --glow-green:  0 0 calc(8px*var(--glow-k)) var(--neon-green),  0 0 calc(26px*var(--glow-k)) rgba(137,247,3,0.55);
  --glow-cyan:   0 0 calc(8px*var(--glow-k)) var(--neon-cyan),   0 0 calc(26px*var(--glow-k)) rgba(74,237,250,0.55);
  --glow-yellow: 0 0 calc(8px*var(--glow-k)) var(--neon-yellow), 0 0 calc(26px*var(--glow-k)) rgba(250,250,66,0.55);

  /* Soft elevation (warm) */
  --shadow-sm: 0 1px 3px rgba(26,18,9,0.06), 0 1px 2px rgba(26,18,9,0.04);
  --shadow-md: 0 4px 18px rgba(26,18,9,0.08), 0 1px 4px rgba(26,18,9,0.05);
  --shadow-lg: 0 18px 50px rgba(26,18,9,0.13), 0 4px 14px rgba(26,18,9,0.07);

  /* Fonts */
  --font-display:   'Best Light', cursive;
  --font-hand:      'Dreaming Out Loud Pro', cursive;
  --font-editorial: 'Roca One', Georgia, serif;
  --font-serif:     'Merriweather', Georgia, serif;
  --font-sans:      'Klang Sans', system-ui, sans-serif;

  /* Tracking */
  --track-logo: 0.34em;
  --track-wide: 0.18em;

  /* ── Legacy-Aliase: damit Inline-Styles in den HTMLs weiter funktionieren ── */
  --bg:       var(--bg-primary);
  --bg-soft:  #ffffff;
  --card:     #ffffff;
  --card-2:   var(--bg-cream-2);
  --line:     rgba(26,18,9,0.10);
  --line-soft:rgba(26,18,9,0.06);
  --text:     var(--ink);
  --muted:    var(--ink-muted);
  --accent:   var(--cyan-deep);
  --accent-2: var(--pink-deep);
  --accent-3: var(--green-deep);
  --good:     var(--green-deep);
  --bad:      var(--pink-deep);
  --warn:     var(--yellow-deep);
  --radius:   22px;
  --shadow:   var(--shadow-lg);
  --grad:     linear-gradient(120deg, var(--green-deep) 0%, var(--cyan-deep) 100%);
  --font:     var(--font-sans);
}

* { box-sizing: border-box; }

html {
  /* Creme NUR auf html — body bleibt transparent, sonst werden die
     body::before/::after-Splashes (z-index:-1) hinter dem Body-Hintergrund
     gemalt und sind unsichtbar. */
  background: var(--bg-primary);
}
html, body {
  margin: 0;
  padding: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
body { background: transparent; }

/* Dekorative Wasserfarben-Splashes (hinter allem) */
body::before, body::after {
  content: ""; position: fixed; pointer-events: none; z-index: -1;
  background-repeat: no-repeat; background-position: center; background-size: contain;
  aspect-ratio: 1 / 1;
}
body::before {
  top: -12%; right: -10%; width: 48vw; max-width: 720px;
  background-image: url('/assets/splash-1-neon.png'); opacity: 0.40;
}
body::after {
  bottom: -16%; left: -12%; width: 44vw; max-width: 640px;
  background-image: url('/assets/splash-3-warm.png'); opacity: 0.30;
}

a { color: var(--cyan-deep); text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }

.wrap { max-width: 960px; margin: 0 auto; padding: 24px; position: relative; }
.wrap-narrow { max-width: 520px; margin: 0 auto; padding: 24px; position: relative; }

/* ─── Brand / Wortmarke ─────────────────────────────────────── */
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-editorial); font-weight: 400; font-size: 20px; color: var(--ink);
}
.brand-logo { height: 42px; width: auto; display: block; }
.kf-wordmark {
  font-family: var(--font-display); letter-spacing: var(--track-logo);
  font-weight: 400; line-height: 1; color: var(--ink);
}
.brand small { color: var(--ink-muted); font-weight: 300; font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase; font-family: var(--font-sans); }

/* Marker-Highlight hinter Inline-Text */
.kf-mark { background: linear-gradient(120deg, transparent 2%, rgba(137,247,3,0.40) 2%, rgba(137,247,3,0.40) 98%, transparent 98%);
  padding: 0.04em 0.28em; border-radius: 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* ─── Karten ────────────────────────────────────────────────── */
.card {
  background: var(--bg-white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-md);
}
.card + .card { margin-top: 16px; }

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  appearance: none; cursor: pointer;
  font-family: var(--font-sans); font-weight: 600; font-size: 15px; letter-spacing: 0.04em;
  padding: 13px 20px; border-radius: 999px;
  background: var(--bg-white); color: var(--ink);
  border: 1.5px solid var(--line);
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(26,18,9,0.24); }
.btn:active { transform: translateY(0); }
.btn.primary {
  background: var(--neon-green); border: none; color: var(--ink-on-neon);
  box-shadow: var(--glow-green);
}
.btn.primary:hover { transform: translateY(-1px); }
.btn.ghost { background: transparent; border: 1.5px solid var(--line); }
.btn.danger { background: transparent; border-color: rgba(214,60,132,0.5); color: var(--pink-deep); }
.btn.small { padding: 8px 14px; font-size: 13px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; transform: none; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ─── Inputs ────────────────────────────────────────────────── */
input[type="text"], input[type="number"], textarea, select {
  width: 100%; font-family: var(--font-sans); font-size: 15px;
  padding: 13px 16px; border-radius: 14px;
  background: var(--bg-white); color: var(--ink);
  border: 2px solid var(--line); outline: none;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 calc(12px*var(--glow-k)) rgba(137,247,3,0.40);
}
label { display: block; font-size: 12px; color: var(--ink-muted); margin: 16px 0 6px;
  font-weight: 300; letter-spacing: 0.12em; text-transform: uppercase; }
textarea { resize: vertical; min-height: 72px; font-family: var(--font-serif); font-weight: 300; }

.muted { color: var(--ink-muted); }
.center { text-align: center; }
.row { display: flex; gap: 12px; align-items: center; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

h1, h2, h3 { font-family: var(--font-editorial); font-weight: 400; letter-spacing: -0.01em; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--bg-white); border: 1px solid var(--line);
  font-family: var(--font-sans); font-size: 13px; font-weight: 600; color: var(--ink-muted);
  box-shadow: var(--shadow-sm);
}
.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em;
  padding: 5px 12px; border-radius: 999px;
  background: rgba(137,247,3,0.16); color: var(--green-deep);
  border: 1px solid rgba(137,247,3,0.35);
}

/* ─── Balken-Ergebnisse (Multiple Choice / Quiz) ────────────── */
.bars { display: flex; flex-direction: column; gap: 14px; }
.bar-item .bar-label { display: flex; justify-content: space-between; margin-bottom: 7px;
  font-family: var(--font-sans); font-weight: 600; color: var(--ink); }
.bar-item .bar-label .muted { font-weight: 300; }
.bar-track { height: 38px; background: rgba(26,18,9,0.05); border-radius: 999px;
  position: relative; overflow: hidden; }
.bar-fill {
  height: 100%; width: 0; border-radius: 999px;
  background: var(--neon-green);
  transition: width 0.6s cubic-bezier(.2,.8,.2,1);
}
/* Serien-Farben pro Balken (Klangfeld-Palette) */
.bars .bar-item:nth-child(5n+1) .bar-fill { background: var(--neon-green);  box-shadow: 0 0 calc(18px*var(--glow-k)) rgba(137,247,3,0.55); }
.bars .bar-item:nth-child(5n+2) .bar-fill { background: var(--neon-cyan);   box-shadow: 0 0 calc(18px*var(--glow-k)) rgba(74,237,250,0.55); }
.bars .bar-item:nth-child(5n+3) .bar-fill { background: var(--neon-yellow); box-shadow: 0 0 calc(18px*var(--glow-k)) rgba(250,250,66,0.55); }
.bars .bar-item:nth-child(5n+4) .bar-fill { background: var(--neon-pink);   box-shadow: 0 0 calc(18px*var(--glow-k)) rgba(245,111,174,0.5); }
.bars .bar-item:nth-child(5n+5) .bar-fill { background: var(--neon-lav);    box-shadow: 0 0 calc(18px*var(--glow-k)) rgba(155,127,240,0.5); }
.bar-fill.correct { background: var(--neon-green) !important;
  box-shadow: 0 0 calc(16px*var(--glow-k)) rgba(137,247,3,0.6) !important; }
.bar-fill.wrong { background: rgba(26,18,9,0.18) !important; box-shadow: none !important; }
.bar-pct { position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-sans); font-weight: 700; color: var(--ink-on-neon); }

/* ─── Word Cloud ────────────────────────────────────────────── */
.cloud { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: center; padding: 10px; }
.cloud span { font-family: var(--font-sans); font-weight: 600; line-height: 1; transition: all 0.4s ease; }
.cloud.big span { font-family: var(--font-editorial); font-weight: 400; }

/* ─── Q&A / Offene-Antwort-Kacheln ──────────────────────────── */
.qa-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.qa-card {
  background: rgba(137,247,3,0.14); border: 1px solid rgba(137,247,3,0.4);
  border-radius: 14px; padding: 16px 18px;
  font-family: var(--font-serif); font-weight: 300; font-size: 16px; line-height: 1.5; color: var(--ink);
  box-shadow: 0 2px 10px rgba(26,18,9,0.05);
}
.qa-grid .qa-card:nth-child(4n+2) { background: rgba(74,237,250,0.14); border-color: rgba(74,237,250,0.4); }
.qa-grid .qa-card:nth-child(4n+3) { background: rgba(250,250,66,0.16); border-color: rgba(250,250,66,0.5); }
.qa-grid .qa-card:nth-child(4n+4) { background: rgba(245,111,174,0.12); border-color: rgba(245,111,174,0.4); }

/* ─── Skala (Teilnehmer-Buttons) ────────────────────────────── */
.scale-row { display: flex; gap: 10px; flex-wrap: wrap; }
.scale-btn {
  flex: 1; min-width: 54px; padding: 18px 0;
  font-family: var(--font-editorial); font-size: 22px; font-weight: 400;
  border-radius: 14px; border: 2px solid var(--line); background: var(--bg-white);
  color: var(--ink); cursor: pointer; box-shadow: var(--shadow-sm);
  transition: border-color 0.14s ease, box-shadow 0.14s ease, transform 0.14s ease;
}
.scale-btn:hover { border-color: rgba(26,18,9,0.24); }
.scale-btn.selected { background: var(--neon-green); border-color: var(--neon-green);
  box-shadow: 0 0 calc(14px*var(--glow-k)) rgba(137,247,3,0.45); }

/* ─── Choice-Optionen (Teilnehmer) ──────────────────────────── */
.options { display: flex; flex-direction: column; gap: 12px; }
.opt {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; border-radius: 14px; cursor: pointer;
  background: var(--bg-white); border: 2px solid var(--line);
  font-family: var(--font-sans); font-size: 17px; font-weight: 400; color: var(--ink);
  box-shadow: var(--shadow-sm); transition: border-color 0.14s ease, box-shadow 0.14s ease, transform 0.14s ease;
}
.opt:hover { border-color: rgba(26,18,9,0.24); }
.opt.selected { border-color: var(--neon-green); background: var(--neon-green);
  font-weight: 600; box-shadow: 0 0 calc(14px*var(--glow-k)) rgba(137,247,3,0.45); }
.opt .dot { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--line);
  flex: 0 0 auto; display: grid; place-items: center; }
.opt.selected .dot { background: var(--ink-on-neon); border-color: var(--ink-on-neon); }

/* ─── Toast ─────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--bg-white); border: 1px solid var(--line); color: var(--ink);
  padding: 13px 20px; border-radius: 999px; box-shadow: var(--shadow-lg);
  font-family: var(--font-sans); font-weight: 600; z-index: 99; opacity: 0;
  transition: opacity 0.2s, transform 0.2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

.hidden { display: none !important; }
.fadein { animation: fade 0.4s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.empty { text-align: center; color: var(--ink-muted); padding: 40px 10px; font-family: var(--font-serif); font-weight: 300; }

/* ─── Folien-Vorschau (Admin) ───────────────────────────────── */
.slide-thumb {
  background: var(--bg-cream-2); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; display: grid; place-items: center; min-height: 90px;
}
.slide-thumb img { display: block; max-width: 100%; max-height: 320px; object-fit: contain; }

/* ─── Upload-Overlay + Spinner ──────────────────────────────── */
#overlay {
  position: fixed; inset: 0; background: rgba(251,248,243,0.82); z-index: 200;
  display: none; align-items: center; justify-content: center; backdrop-filter: blur(4px);
}
.ov-box {
  background: var(--bg-white); border: 1px solid var(--line); border-radius: 18px;
  padding: 28px 34px; text-align: center; box-shadow: var(--shadow-lg); max-width: 420px;
}
.spinner {
  width: 42px; height: 42px; margin: 0 auto 16px; border-radius: 50%;
  border: 4px solid rgba(26,18,9,0.10); border-top-color: var(--green-deep);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Folien-Vollbild (Teilnehmer & Leinwand) ───────────────── */
.slide-full { width: 100%; display: grid; place-items: center; }
.slide-full img { display: block; max-width: 100%; max-height: 78vh; object-fit: contain;
  border-radius: 14px; box-shadow: var(--shadow-lg); }
.slide-caption { text-align: center; margin-top: 14px; font-family: var(--font-editorial); font-weight: 400; }

/* Focus ring */
:focus-visible { outline: 2px solid var(--cyan-deep); outline-offset: 2px; }

/* Scrollbar / Selektion */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(26,18,9,0.16); border-radius: 999px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }
::selection { background: rgba(137,247,3,0.40); }