@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Nunito:wght@400;600;700;800&display=swap');

/* === DESIGN TOKENS === */
:root {
  --c1: #FF6B6B;
  --c2: #FFE66D;
  --c3: #4ECDC4;
  --c4: #A78BFA;
  --ink: #1a1a2e;
  --ink-soft: #4a4a6a;
  --card: #ffffff;
  --bg: #f0f4ff;
  --shadow: 0 4px 20px rgba(26,26,46,0.12);
  --shadow-lg: 0 8px 32px rgba(26,26,46,0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
}

h1, h2, h3, .display {
  font-family: 'Fredoka One', sans-serif;
  line-height: 1.2;
}

/* === LAYOUT === */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.center { text-align: center; }

/* === CARDS === */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: 50px;
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--c1); color: #fff; }
.btn-primary:hover { background: #e05555; }

.btn-secondary { background: var(--c4); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border: 2px solid var(--ink); }

/* === FORMS === */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }

label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  padding: 0.8rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  color: var(--ink);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--c4);
  box-shadow: 0 0 0 3px rgba(167,139,250,0.2);
}

.form-error {
  color: var(--c1);
  font-size: 0.9rem;
  font-weight: 700;
  min-height: 1.2em;
}

/* === NAV === */
.nav {
  background: var(--ink);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.nav-brand {
  font-family: 'Fredoka One', sans-serif;
  font-size: 1.4rem;
  color: var(--c2);
  text-decoration: none;
}
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: #fff; }

/* === XP BALKEN === */
.xp-bar-wrap {
  background: #e2e8f0;
  border-radius: 50px;
  height: 14px;
  overflow: hidden;
  margin: 0.5rem 0;
}
.xp-bar-fill {
  height: 100%;
  border-radius: 50px;
  background: linear-gradient(90deg, var(--c3), var(--c4));
  transition: width 0.8s cubic-bezier(.4,0,.2,1);
}

/* === BADGE === */
.badge-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.badge-item {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
}
.badge-item.locked { opacity: 0.35; filter: grayscale(1); }

/* === POPUPS === */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,26,46,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.popup-overlay.visible { opacity: 1; pointer-events: all; }

.popup-box {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  text-align: center;
  max-width: 340px;
  width: 90%;
  transform: scale(0.8);
  transition: transform 0.3s cubic-bezier(.34,1.56,.64,1);
}
.popup-overlay.visible .popup-box { transform: scale(1); }

.popup-xp { color: var(--c3); font-size: 2.5rem; font-family: 'Fredoka One', sans-serif; }
.popup-badge { font-size: 3.5rem; }

/* === KONFETTI (CSS only) === */
@keyframes konfetti-fall {
  0%   { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(200px) rotate(720deg); opacity: 0; }
}
.konfetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  animation: konfetti-fall 1.2s ease-in forwards;
  pointer-events: none;
  z-index: 1000;
}

/* === RANGLISTE === */
.rangliste-table {
  width: 100%;
  border-collapse: collapse;
}
.rangliste-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: #fff;
  font-family: 'Fredoka One', sans-serif;
  font-size: 1rem;
}
.rangliste-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: middle;
}
.rangliste-table tr:hover td { background: var(--bg); }
.rank-gold   { color: #ffd700; font-weight: 800; }
.rank-silver { color: #9aa0a6; font-weight: 800; }
.rank-bronze { color: #cd7f32; font-weight: 800; }

/* === UTILITY === */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-soft { color: var(--ink-soft); font-size: 0.9rem; }
.text-big  { font-size: 1.2rem; font-weight: 700; }
.divider   { border: none; border-top: 2px solid #e2e8f0; margin: 1.5rem 0; }

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .card { padding: 1.25rem; }
  .nav-links { gap: 0.75rem; }
}