/* Trang /login — form đăng nhập / đăng ký. base.css lo reset + body flex column. */

.auth-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 18px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  border: 1px solid #2a1a44;
  border-radius: 16px;
  background: rgba(60, 0, 120, .12);
  padding: 32px 28px;
}

.auth-logo { font-size: 38px; text-align: center; }

.auth-title {
  font-size: 21px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  margin-top: 10px;
}

.auth-sub {
  font-size: 12.5px;
  color: #8878a0;
  text-align: center;
  margin-top: 7px;
  line-height: 1.6;
}

.auth-tabs {
  display: flex;
  gap: 6px;
  margin: 22px 0 20px;
  padding: 4px;
  border: 1px solid #2a1a44;
  border-radius: 10px;
  background: rgba(0, 0, 0, .25);
}

.auth-tab {
  flex: 1;
  padding: 9px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: #9988bb;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.auth-tab.active { background: rgba(119, 0, 204, .45); color: #fff; }

.auth-field { margin-bottom: 15px; }

.auth-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  color: #b0a0cc;
  margin-bottom: 6px;
  letter-spacing: .3px;
}

.auth-optional { color: #6a5a84; font-weight: 400; }

.auth-input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #33224a;
  border-radius: 9px;
  background: rgba(0, 0, 0, .3);
  color: #fff;
  font-family: inherit;
  font-size: 13.5px;
  outline: none;
  transition: border-color .2s;
}

.auth-input:focus { border-color: #9933ff; }
.auth-input::placeholder { color: #5a4a74; }

.auth-hint { font-size: 11px; color: #7a6a94; margin-top: 6px; }

.auth-msg {
  display: none;
  font-size: 12.5px;
  line-height: 1.55;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 14px;
}

.auth-msg.error {
  display: block;
  color: #ffaaaa;
  border: 1px solid #663333;
  background: rgba(255, 60, 60, .1);
}

.auth-msg.ok {
  display: block;
  color: #9fd;
  border: 1px solid #225544;
  background: rgba(0, 200, 150, .1);
}

.auth-submit {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 9px;
  background: linear-gradient(90deg, #7700cc, #cc44ff);
  color: #fff;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .8px;
  cursor: pointer;
  transition: opacity .2s;
}

.auth-submit:hover { opacity: .88; }
.auth-submit:disabled { opacity: .5; cursor: default; }

.auth-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-size: 11.5px;
}

.auth-foot a { color: #9988bb; text-decoration: none; }
.auth-foot a:hover { color: #cc66ff; }
.auth-note { color: #5a4a74; }