:root {
  --gold: #f5c842;
  --gold-dark: #c9972a;
  --red: #e03030;
  --red-dark: #a01010;
  --cyan: #00e5ff;
  --bg: #05050f;
  --bg3: #0f0f25;
  --surface: #13132a;
  --surface2: #1a1a35;
  --border: rgba(245,200,66,0.2);
  --text: #e8e0ff;
  --text-dim: #7070a0;
  --human-color: #f5a742;
  --android-color: #00e5ff;
}

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

body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(245,200,66,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0,229,255,0.04) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}

.screen { display: none; position: relative; z-index: 1; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; }

.logo {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  background: linear-gradient(135deg, var(--gold) 0%, #fff8e0 50%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
}
.logo span {
  background: linear-gradient(135deg, var(--red) 0%, #ff8080 50%, var(--red-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* AUTH */
#auth-screen { align-items: center; justify-content: center; padding: 2rem; }
.auth-box {
  width: 100%; max-width: 420px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 2.5rem 2rem;
  box-shadow: 0 0 60px rgba(245,200,66,0.08), 0 0 120px rgba(0,0,0,0.5);
  animation: fadeUp 0.6s ease;
}
.auth-header { text-align: center; margin-bottom: 2rem; }
.auth-header .logo { margin-bottom: 0.5rem; display: block; }
.auth-subtitle { color: var(--text-dim); font-size: 0.9rem; letter-spacing: 3px; text-transform: uppercase; }
.auth-tabs { display: flex; margin-bottom: 1.5rem; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.auth-tab {
  flex: 1; padding: 0.6rem; text-align: center; cursor: pointer;
  font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 0.95rem;
  letter-spacing: 1px; text-transform: uppercase;
  background: transparent; color: var(--text-dim); border: none; transition: all 0.3s;
}
.auth-tab.active { background: var(--gold); color: #000; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.4rem; }
.field input {
  width: 100%; padding: 0.75rem 1rem;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  font-family: 'Rajdhani', sans-serif; font-size: 1rem;
  transition: border-color 0.3s;
}
.field input:focus { outline: none; border-color: var(--gold); }
.btn {
  width: 100%; padding: 0.85rem; border: none; border-radius: 8px;
  font-family: 'Cinzel Decorative', serif; font-size: 0.85rem;
  letter-spacing: 1px; cursor: pointer; transition: all 0.3s;
}
.btn-gold { background: linear-gradient(135deg, var(--gold-dark), var(--gold)); color: #000; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,200,66,0.35); }
.error-msg { color: var(--red); font-size: 0.85rem; margin-top: 0.75rem; text-align: center; min-height: 1.2rem; }

/* RACE */
#race-screen { align-items: center; justify-content: center; padding: 2rem; }
.race-container { width: 100%; max-width: 700px; text-align: center; animation: fadeUp 0.6s ease; }
.race-title { color: var(--text-dim); letter-spacing: 3px; text-transform: uppercase; font-size: 0.85rem; margin-bottom: 2.5rem; }
.race-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.race-card {
  background: var(--surface); border: 2px solid transparent;
  border-radius: 16px; padding: 2rem 1.5rem; cursor: pointer;
  transition: all 0.4s; position: relative; overflow: hidden;
}
.race-card::before { content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity 0.4s; border-radius: 14px; }
.race-card.human::before { background: radial-gradient(ellipse at 50% 0%, rgba(245,167,66,0.15), transparent 70%); }
.race-card.android::before { background: radial-gradient(ellipse at 50% 0%, rgba(0,229,255,0.15), transparent 70%); }
.race-card:hover::before, .race-card.selected::before { opacity: 1; }
.race-card.human:hover, .race-card.human.selected { border-color: var(--human-color); box-shadow: 0 0 30px rgba(245,167,66,0.25); }
.race-card.android:hover, .race-card.android.selected { border-color: var(--android-color); box-shadow: 0 0 30px rgba(0,229,255,0.25); }
.race-icon { font-size: 3.5rem; margin-bottom: 1rem; display: block; }
.race-name { font-family: 'Cinzel Decorative', serif; font-size: 1.1rem; margin-bottom: 0.5rem; }
.race-card.human .race-name { color: var(--human-color); }
.race-card.android .race-name { color: var(--android-color); }
.race-desc { color: var(--text-dim); font-size: 0.85rem; line-height: 1.5; margin-bottom: 1rem; }
.race-bonus { font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; padding: 0.3rem 0.75rem; border-radius: 20px; display: inline-block; }
.race-card.human .race-bonus { background: rgba(245,167,66,0.15); color: var(--human-color); }
.race-card.android .race-bonus { background: rgba(0,229,255,0.15); color: var(--android-color); }
.name-label { color: var(--text-dim); font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.5rem; }
.name-field { margin-bottom: 1.5rem; }
.name-field input {
  width: 100%; max-width: 300px; padding: 0.75rem 1rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-family: 'Rajdhani', sans-serif; font-size: 1.1rem; text-align: center;
}
.name-field input:focus { outline: none; border-color: var(--gold); }

/* APP */
#app-screen { padding-bottom: 80px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; background: var(--surface);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
.topbar .logo { font-size: 1.2rem; }
.logout-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-dim); padding: 0.3rem 0.75rem; border-radius: 6px; cursor: pointer;
  font-family: 'Rajdhani', sans-serif; font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; transition: all 0.3s;
}
.logout-btn:hover { border-color: var(--red); color: var(--red); }
.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface); border-top: 1px solid var(--border); display: flex; z-index: 100; }
.nav-btn {
  flex: 1; padding: 0.85rem 0.5rem; background: transparent; border: none;
  color: var(--text-dim); cursor: pointer;
  font-family: 'Rajdhani', sans-serif; font-size: 0.7rem; letter-spacing: 1px; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 0.2rem; transition: all 0.3s;
}
.nav-btn .nav-icon { font-size: 1.3rem; }
.nav-btn.active { color: var(--gold); }
.page { display: none; padding: 1.25rem; }
.page.active { display: block; animation: fadeUp 0.4s ease; }

/* CHARACTER */
.char-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.5rem; margin-bottom: 1.25rem;
  position: relative; overflow: hidden;
}
.char-card::before {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at 60% 40%, rgba(245,200,66,0.05), transparent 60%);
  pointer-events: none;
}
.char-header { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1.25rem; }
.char-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; border: 2px solid var(--border); background: var(--bg3); flex-shrink: 0;
}
.char-avatar.human { border-color: var(--human-color); box-shadow: 0 0 20px rgba(245,167,66,0.3); }
.char-avatar.android { border-color: var(--android-color); box-shadow: 0 0 20px rgba(0,229,255,0.3); }
.char-info .char-name { font-family: 'Cinzel Decorative', serif; font-size: 1.1rem; color: var(--gold); }
.char-info .char-race { font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; margin-top: 0.2rem; }
.char-info .char-race.human { color: var(--human-color); }
.char-info .char-race.android { color: var(--android-color); }
.power-level {
  text-align: center; padding: 1rem; background: var(--bg3); border-radius: 12px;
  margin-bottom: 1.25rem; border: 1px solid rgba(245,200,66,0.15);
}
.power-label { font-size: 0.75rem; letter-spacing: 3px; text-transform: uppercase; color: var(--text-dim); }
.power-value {
  font-family: 'Cinzel Decorative', serif; font-size: 2.8rem;
  background: linear-gradient(135deg, var(--gold), #fff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1.2; animation: pulse 2s ease-in-out infinite;
}
.xp-bar-wrap { margin-bottom: 0.4rem; }
.xp-label { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-dim); margin-bottom: 0.4rem; }
.xp-bar { height: 8px; background: var(--bg3); border-radius: 4px; overflow: hidden; }
.xp-fill { height: 100%; border-radius: 4px; transition: width 0.8s ease; background: linear-gradient(90deg, var(--gold-dark), var(--gold)); }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.stat-item { background: var(--bg3); border-radius: 10px; padding: 0.75rem; border: 1px solid var(--border); }
.stat-label { font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); }
.stat-value { font-size: 1.4rem; font-weight: 700; color: var(--text); margin-top: 0.2rem; }

/* TRAIN */
.section-title {
  font-family: 'Cinzel Decorative', serif; font-size: 1rem; color: var(--gold);
  letter-spacing: 2px; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, var(--border), transparent); }
.workout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1.25rem; }
.workout-btn {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1rem; cursor: pointer; text-align: center; transition: all 0.3s; color: var(--text);
}
.workout-btn:hover { border-color: var(--gold); background: var(--surface2); transform: translateY(-2px); }
.workout-btn.selected { border-color: var(--gold); background: rgba(245,200,66,0.08); }
.workout-emoji { font-size: 1.8rem; margin-bottom: 0.4rem; }
.workout-name { font-size: 0.85rem; font-weight: 600; letter-spacing: 1px; }
.workout-xp { font-size: 0.75rem; color: var(--gold); margin-top: 0.2rem; }
.reps-input-wrap { margin-bottom: 1.25rem; }
.reps-input-wrap label { display: block; font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.5rem; }
.reps-row { display: flex; gap: 0.75rem; align-items: center; }
.reps-row input {
  flex: 1; padding: 0.75rem 1rem; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-family: 'Rajdhani', sans-serif; font-size: 1.2rem; font-weight: 700; text-align: center;
}
.reps-row input:focus { outline: none; border-color: var(--gold); }
.log-result { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; margin-top: 1rem; text-align: center; display: none; }
.log-result.show { display: block; animation: fadeUp 0.4s ease; }
.log-result .xp-gained { font-family: 'Cinzel Decorative', serif; font-size: 1.5rem; color: var(--gold); }
.log-result .result-text { color: var(--text-dim); font-size: 0.85rem; margin-top: 0.3rem; }
.history-list { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; }
.history-item { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 0.75rem 1rem; display: flex; justify-content: space-between; align-items: center; }
.history-left { display: flex; align-items: center; gap: 0.75rem; }
.history-emoji { font-size: 1.2rem; }
.history-name { font-size: 0.9rem; font-weight: 600; }
.history-time { font-size: 0.75rem; color: var(--text-dim); }
.history-xp { font-size: 0.85rem; color: var(--gold); font-weight: 700; }

/* LEADERBOARD */
.leaderboard-list { display: flex; flex-direction: column; gap: 0.5rem; }
.lb-item { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1rem 1.25rem; display: flex; align-items: center; gap: 1rem; transition: all 0.3s; }
.lb-item:hover { border-color: var(--gold); }
.lb-item.me { border-color: var(--gold); background: rgba(245,200,66,0.06); }
.lb-rank { font-family: 'Cinzel Decorative', serif; font-size: 1.1rem; width: 2rem; text-align: center; flex-shrink: 0; }
.lb-rank.gold { color: #ffd700; } .lb-rank.silver { color: #c0c0c0; } .lb-rank.bronze { color: #cd7f32; } .lb-rank.other { color: var(--text-dim); }
.lb-avatar { font-size: 1.5rem; flex-shrink: 0; }
.lb-info { flex: 1; }
.lb-name { font-weight: 700; font-size: 0.95rem; }
.lb-race { font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; }
.lb-race.human { color: var(--human-color); } .lb-race.android { color: var(--android-color); }
.lb-power { text-align: right; }
.lb-power-val { font-family: 'Cinzel Decorative', serif; font-size: 1.1rem; color: var(--gold); }
.lb-power-label { font-size: 0.65rem; letter-spacing: 1px; text-transform: uppercase; color: var(--text-dim); }
.refresh-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  padding: 0.5rem 1rem; border-radius: 8px; cursor: pointer;
  font-family: 'Rajdhani', sans-serif; font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase;
  transition: all 0.3s; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem;
}
.refresh-btn:hover { border-color: var(--gold); color: var(--gold); }

/* LOADING */
.loading-wrap { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; gap: 1rem; }
.spinner { width: 50px; height: 50px; border: 3px solid var(--surface2); border-top-color: var(--gold); border-radius: 50%; animation: spin 0.8s linear infinite; }

/* TOAST */
.toast {
  position: fixed; bottom: 100px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface2); border: 1px solid var(--gold); color: var(--gold);
  padding: 0.6rem 1.5rem; border-radius: 30px; font-size: 0.9rem; font-weight: 600;
  opacity: 0; transition: all 0.4s; pointer-events: none; z-index: 999; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.85; } }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 400px) { .race-cards { grid-template-columns: 1fr; } .workout-grid { grid-template-columns: 1fr; } }