:root {
  --bg: #0a0a0f;
  --bg-soft: #12121b;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.10);
  --text: #f4f4f8;
  --muted: #9aa0b4;
  --lime: #b6ff3b;
  --cyan: #2de2ff;
  --pink: #ff3b9a;
  --violet: #8b5cf6;
  --danger: #ff5470;
  --ok: #58e06a;
  --radius: 22px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Animierter Hintergrund ---------- */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.55;
  animation: float 18s ease-in-out infinite;
}
.orb-1 { width: 480px; height: 480px; background: var(--violet); top: -120px; left: -100px; }
.orb-2 { width: 420px; height: 420px; background: var(--cyan); bottom: -120px; right: -80px; animation-delay: -6s; }
.orb-3 { width: 380px; height: 380px; background: var(--pink); top: 40%; left: 55%; animation-delay: -12s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.08); }
  66% { transform: translate(-30px, 25px) scale(0.95); }
}

/* ---------- Layout ---------- */
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 18px 60px; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 40px 6px 28px; }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--card-border);
  padding: 8px 16px; border-radius: 999px; font-weight: 600; font-size: 0.9rem;
  color: var(--muted); backdrop-filter: blur(10px); margin-bottom: 22px;
}

.title {
  font-weight: 900; line-height: 0.92; letter-spacing: -2px;
  font-size: clamp(3rem, 14vw, 6rem);
  text-transform: uppercase;
}
.title-accent {
  display: block;
  background: linear-gradient(100deg, var(--lime), var(--cyan) 50%, var(--pink));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 200% auto; animation: shine 6s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }

.subtitle {
  color: var(--muted); font-size: clamp(1rem, 4vw, 1.25rem);
  max-width: 480px; margin: 18px auto 0; line-height: 1.5;
}

.facts {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 26px 0 22px;
}
.fact {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--card-border);
  padding: 10px 16px; border-radius: 14px; font-weight: 600; font-size: 0.92rem;
  backdrop-filter: blur(10px);
}
.fact-ico { font-size: 1.1rem; }

/* Plätze-Anzeige */
.spots { max-width: 420px; margin: 0 auto 28px; }
.spots-bar {
  height: 12px; background: rgba(255,255,255,0.08); border-radius: 999px; overflow: hidden;
  border: 1px solid var(--card-border);
}
.spots-fill {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  border-radius: 999px; transition: width 0.8s cubic-bezier(.2,.8,.2,1);
}
.spots-text { margin-top: 10px; font-size: 0.9rem; color: var(--muted); font-weight: 600; }

.cta-scroll {
  display: inline-block; text-decoration: none; color: var(--bg);
  background: linear-gradient(100deg, var(--lime), var(--cyan));
  font-weight: 800; padding: 15px 34px; border-radius: 999px; font-size: 1.05rem;
  box-shadow: 0 12px 30px rgba(45, 226, 255, 0.25);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.cta-scroll:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 18px 40px rgba(182,255,59,0.35); }

/* ---------- Card / Formular ---------- */
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 30px 24px; backdrop-filter: blur(16px);
  box-shadow: var(--shadow); scroll-margin-top: 20px;
}
.card-title { font-size: 1.6rem; font-weight: 800; }
.card-sub { color: var(--muted); margin-top: 4px; margin-bottom: 22px; font-size: 0.95rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 460px) { .grid-2 { grid-template-columns: 1fr; } }

.field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 7px; }
.field label { font-weight: 600; font-size: 0.9rem; color: var(--text); }

input[type=text], input[type=email], input[type=password], textarea {
  font-family: inherit; font-size: 1rem; color: var(--text);
  background: rgba(255,255,255,0.05); border: 1.5px solid var(--card-border);
  border-radius: 13px; padding: 13px 15px; transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%; resize: vertical;
}
input::placeholder, textarea::placeholder { color: #5c6178; }
input:focus, textarea:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(45,226,255,0.18);
}

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: inherit; font-size: 0.92rem; font-weight: 600; cursor: pointer;
  background: rgba(255,255,255,0.05); border: 1.5px solid var(--card-border);
  color: var(--text); padding: 11px 16px; border-radius: 13px;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--cyan); transform: translateY(-1px); }
.chip.active {
  background: linear-gradient(100deg, var(--lime), var(--cyan));
  color: var(--bg); border-color: transparent;
}

/* Consent */
.consent {
  display: flex; align-items: flex-start; gap: 11px; cursor: pointer;
  font-size: 0.9rem; color: var(--muted); margin: 4px 0 22px; line-height: 1.4;
}
.consent input { width: 20px; height: 20px; accent-color: var(--lime); margin-top: 1px; flex-shrink: 0; }

/* Buttons */
.btn-primary {
  position: relative; width: 100%; cursor: pointer; font-family: inherit;
  font-weight: 800; font-size: 1.05rem; color: var(--bg);
  background: linear-gradient(100deg, var(--lime), var(--cyan));
  border: none; border-radius: 14px; padding: 16px; overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 12px 28px rgba(45,226,255,0.22);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(182,255,59,0.3); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.7; cursor: wait; transform: none; }
.btn-primary.loading .btn-label { opacity: 0; }
.btn-primary.loading .btn-spinner { opacity: 1; }
.btn-spinner {
  position: absolute; inset: 0; margin: auto; width: 22px; height: 22px; opacity: 0;
  border: 3px solid rgba(10,10,15,0.3); border-top-color: var(--bg);
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-ghost {
  cursor: pointer; font-family: inherit; font-weight: 700; font-size: 0.92rem;
  background: rgba(255,255,255,0.06); border: 1.5px solid var(--card-border);
  color: var(--text); padding: 13px 18px; border-radius: 13px; transition: all 0.15s;
}
.btn-ghost:hover { border-color: var(--cyan); }

.form-msg { margin-top: 14px; font-size: 0.92rem; font-weight: 600; min-height: 1.2em; text-align: center; }
.form-msg.error { color: var(--danger); }
.form-msg.ok { color: var(--ok); }

.footer { text-align: center; color: var(--muted); margin-top: 34px; font-size: 0.88rem; }

/* ---------- Lehrkraft FAB ---------- */
.teacher-fab {
  position: fixed; top: 16px; right: 16px; z-index: 30; cursor: pointer;
  width: 46px; height: 46px; border-radius: 50%; font-size: 1.2rem;
  background: var(--card); border: 1px solid var(--card-border);
  backdrop-filter: blur(10px); transition: transform 0.15s, border-color 0.15s;
}
.teacher-fab:hover { transform: scale(1.1) rotate(-8deg); border-color: var(--lime); }

/* ---------- Overlays ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50; display: none;
  align-items: center; justify-content: center; padding: 18px;
  background: rgba(5,5,10,0.7); backdrop-filter: blur(6px);
}
.overlay.show { display: flex; animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.success-card, .teacher-card {
  position: relative; background: var(--bg-soft); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 34px 26px; width: 100%; max-width: 460px;
  box-shadow: var(--shadow); animation: pop 0.35s cubic-bezier(.2,1.2,.3,1);
}
@keyframes pop { from { transform: scale(0.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.success-card { text-align: center; overflow: hidden; }
.success-emoji { font-size: 4.5rem; animation: bounce 1s ease infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.success-card h2 { font-size: 1.9rem; margin: 8px 0 10px; }
.success-card p { color: var(--muted); margin-bottom: 24px; }

.overlay-close {
  position: absolute; top: 14px; right: 14px; cursor: pointer; z-index: 2;
  width: 36px; height: 36px; border-radius: 50%; font-size: 1rem; color: var(--text);
  background: rgba(255,255,255,0.06); border: 1px solid var(--card-border);
}
.overlay-close:hover { border-color: var(--danger); color: var(--danger); }

.teacher-card { max-height: 88vh; overflow-y: auto; }
.teacher-card h2 { font-size: 1.5rem; }

.dash-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }

.stats { display: flex; gap: 12px; margin-bottom: 18px; }
.stat {
  flex: 1; text-align: center; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 16px;
}
.stat-num {
  display: block; font-size: 2.2rem; font-weight: 900;
  background: linear-gradient(100deg, var(--lime), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--muted); font-size: 0.85rem; }

.dash-actions { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.dash-actions .btn-primary { width: auto; flex: 1; min-width: 180px; }

.qr-box { text-align: center; margin-bottom: 20px; padding: 18px; background: var(--card); border-radius: 16px; border: 1px solid var(--card-border); }
.qr-box img { width: 100%; max-width: 260px; border-radius: 14px; background: #fff; padding: 10px; }
.qr-url { font-size: 0.85rem; color: var(--cyan); word-break: break-all; margin: 10px 0 6px; }

.table-wrap { border: 1px solid var(--card-border); border-radius: 14px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
thead th {
  text-align: left; padding: 11px 12px; background: rgba(255,255,255,0.05);
  font-weight: 700; color: var(--muted); position: sticky; top: 0;
}
tbody td { padding: 10px 12px; border-top: 1px solid var(--card-border); }
tbody tr:hover { background: rgba(255,255,255,0.03); }
.empty-hint { text-align: center; color: var(--muted); padding: 20px; font-size: 0.9rem; }

/* Konfetti */
.confetti { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.confetti i {
  position: absolute; top: -10px; width: 9px; height: 14px; opacity: 0.9;
  animation: fall linear forwards;
}
@keyframes fall {
  to { transform: translateY(420px) rotate(540deg); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}