* { box-sizing: border-box; }

body {
  background: #0b1220;
  color: #e6edf3;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  text-align: center;
  padding: 40px 16px;
  margin: 0;
}

h1 { font-size: 2rem; margin-bottom: 8px; }

.status { color: #7aa2f7; margin: 4px 0; }

/* Écran connexion */
.auth-screen {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}

.auth-box {
  background: #131c2e;
  border: 1px solid #1f2a40;
  border-radius: 12px;
  padding: 24px;
  width: 260px;
}

.auth-box h2 { margin-top: 0; font-size: 1.1rem; }

.auth-box input {
  width: 100%;
  padding: 10px;
  margin: 6px 0;
  border-radius: 8px;
  border: 1px solid #2a3752;
  background: #0e1626;
  color: #e6edf3;
}

.auth-box button {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  border: none;
  background: #3b6fd6;
  color: white;
  font-weight: 600;
  cursor: pointer;
}

.auth-box button:hover { background: #4a7de0; }

.auth-msg { color: #f87171; margin-top: 12px; }

/* Écran jeu */
.game-screen { margin-top: 16px; }

.logout-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid #2a3752;
  background: #1a2436;
  color: #e6edf3;
  cursor: pointer;
  margin: 12px 0 24px;
}

.logout-btn:hover { background: #24304a; }

.ki-bar {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.ki-box {
  background: #131c2e;
  border: 1px solid #1f2a40;
  border-radius: 12px;
  padding: 20px;
  width: 130px;
}

.ki-label { font-weight: 600; margin-bottom: 8px; }

.ki-value { font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; }

.ki-bleu .ki-value { color: #4f9bff; }
.ki-rouge .ki-value { color: #ff5c5c; }
.ki-vert .ki-value { color: #4ade80; }
.ki-jaune .ki-value { color: #facc15; }
.ki-violet .ki-value { color: #c084fc; }

.test-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #2a3752;
  background: #1a2436;
  color: #e6edf3;
  cursor: pointer;
  font-size: 0.85rem;
}

.test-btn:hover { background: #24304a; }

.note {
  margin-top: 28px;
  color: #7d8aa3;
  font-size: 0.85rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.capsule-house {
  background: #131c2e;
  border: 1px solid #1f2a40;
  border-radius: 12px;
  padding: 24px;
  max-width: 420px;
  margin: 32px auto 0;
}

.capsule-house h2 { margin-top: 0; font-size: 1.2rem; }

.capsule-level {
  font-size: 1.4rem;
  font-weight: 700;
  color: #f0b429;
  margin: 4px 0;
}

.capsule-unlock {
  color: #9aa8c2;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.capsule-cost p { margin: 4px 0 12px; }

#capsuleUpgradeBtn {
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  background: #f0b429;
  color: #1a1300;
  font-weight: 700;
  cursor: pointer;
}

#capsuleUpgradeBtn:hover:not(:disabled) { background: #ffc94d; }

#capsuleUpgradeBtn:disabled {
  background: #3a3a2f;
  color: #6b6b5c;
  cursor: not-allowed;
}

.capsule-max {
  color: #4ade80;
  font-weight: 600;
}

.nav-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}

.nav-btn {
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid #2a3752;
  background: #1a2436;
  color: #e6edf3;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
}

.nav-btn:hover { background: #24304a; }

.back-btn {
  margin-top: 24px;
  background: #131c2e;
}

.screen h2 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.placeholder {
  color: #7d8aa3;
  font-size: 0.95rem;
  margin: 24px 0;
}