#auth-screen.quiz-screen{
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 260px;
  background: #1a1a1a;
  z-index: 999;
  display: none;
  overflow: auto;
}

#auth-screen.quiz-screen.active{
  display: block;
}

#auth-screen .quiz-content{
  width: 100%;
  height: 100%;
  max-width: none;
  background: transparent;
  padding: 0;
  box-sizing: border-box;
}

#auth-screen .auth-wrap{
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 18px 42px;
  box-sizing: border-box;
  color: #fff;
}

#auth-screen .auth-title{
  width: min(920px, 92vw);
  margin: 0 0 18px 0;
  text-align: center;
  font-size: 52px;
  font-weight: 900;
  color: #fff;
  letter-spacing: .4px;
  transform: translateY(-18px);
}

.auth-box,
.auth-tab-btn,
.auth-main-btn,
.auth-google-btn,
.auth-profile-card{
  border-radius: 18px;
  border: 2px solid rgba(255,255,255,.22);
  background: #2b2b2b;
  color: #fff;
}

.auth-google-btn{
  width: min(920px, 92vw);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 18px;
  text-decoration: none;
  font-size: 22px;
  font-weight: 900;
  margin: 0 auto 18px auto;
  transition: transform .15s ease, border-color .15s ease;
}

.auth-google-btn:hover{
  transform: scale(1.02);
  border-color: rgba(255,255,255,.45);
}

.auth-google-icon{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.10);
  border: 2px solid rgba(255,255,255,.18);
  font-weight: 900;
  color: #fff;
}

.auth-tabs{
  width: min(920px, 92vw);
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 14px auto 20px auto;
}

.auth-tab-btn{
  min-width: 260px;
  padding: 16px 22px;
  font-size: 22px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
}

.auth-tab-btn:hover{
  transform: scale(1.03);
  border-color: rgba(255,255,255,.40);
}

.auth-tab-btn.active{
  border-color: rgba(255,255,255,.60);
}

#auth-screen .auth-form{
  width: min(920px, 92vw);
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0 auto;
}

#auth-screen .auth-form input{
  width: 100%;
  padding: 18px 18px;
  border-radius: 18px;
  border: 2px solid rgba(255,255,255,.18);
  background: #e9f0ff;
  font-size: 20px;
  box-sizing: border-box;
  outline: none;
}

.auth-main-btn{
  width: 100%;
  padding: 18px 18px;
  font-size: 22px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
}

.auth-main-btn:hover{
  transform: scale(1.02);
  border-color: rgba(255,255,255,.45);
}

.auth-main-btn.danger{
  background: #b74a4a;
  border: 0;
}

.auth-profile-grid{
  width: min(920px, 92vw);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 auto;
}

.auth-profile-card{
  padding: 16px 18px;
  box-sizing: border-box;
}

.auth-label{
  font-size: 14px;
  opacity: .8;
  margin-bottom: 6px;
  color: #fff;
}

.auth-value{
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  word-break: break-word;
}

#auth-screen .auth-actions{
  width: min(920px, 92vw);
  margin: 26px auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#auth-screen #auth-close-btn.quiz-control-btn{
  width: min(420px, 92vw);
  margin: 18px auto 0 auto;
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 900;
  background: rgba(255,255,255,.10);
  color: #fff;
  border: 2px solid rgba(255,255,255,.20);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
}

#auth-screen #auth-close-btn.quiz-control-btn:hover{
  transform: scale(1.02);
  border-color: rgba(255,255,255,.40);
}

#sidebar .sidebar-actions{
  width: 100% !important;
}

#sidebar .sidebar-btn{
  width: 100% !important;
  min-width: 100% !important;
  box-sizing: border-box !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
}

.auth-errors{
  background:#3a1f1f;
  border:1px solid #ff6b6b;
  color:#fff;
  padding:10px 12px;
  border-radius:6px;
  margin:10px 0 14px 0;
  white-space:pre-line;
}

.auth-icon-btn{
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  border-radius: 6px;
  cursor: pointer;
  padding: 6px 10px;
  font-weight: bold;
}
.auth-icon-btn:hover{
  border-color: white;
}


@media (max-width: 900px){
  #auth-screen .auth-title{ font-size: 40px; transform: translateY(-14px); }
  .auth-tab-btn{ min-width: 170px; font-size: 18px; }
}

@media (max-width: 700px){
  #auth-screen .auth-title{ font-size: 34px; transform: translateY(-10px); }
}

.auth-errors.success {
  border-color: #2e7d32;
  color: #b9ffbf;
  background: rgba(46, 125, 50, 0.18);
}

.auth-main-btn.btn-outline-green { border: 2px solid #2e7d32; }
.auth-main-btn.btn-outline-red { border: 2px solid #c62828; }