.hls-teacher-public-note {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin: 26px 0 0;
  padding: 13px 16px;
  border: 1px solid rgba(119, 196, 239, .2);
  border-radius: 14px;
  color: #b9cadd;
  background: rgba(5, 21, 41, .72);
  font-size: .88rem;
  line-height: 1.5;
}

.hls-teacher-session {
  position: fixed;
  right: max(12px, env(safe-area-inset-right));
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 2147483000;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 7px 8px 7px 12px;
  border: 1px solid rgba(119, 196, 239, .3);
  border-radius: 999px;
  color: #dbeaff;
  background: rgba(3, 16, 33, .94);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .73rem;
  font-weight: 800;
  letter-spacing: .04em;
  backdrop-filter: blur(14px);
}

.hls-teacher-session button {
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid rgba(119, 196, 239, .3);
  border-radius: 999px;
  color: #f7fbff;
  background: rgba(105, 200, 255, .14);
  font: inherit;
  cursor: pointer;
}

.hls-teacher-session button:hover,
.hls-teacher-session button:focus-visible {
  background: rgba(105, 200, 255, .25);
  outline: none;
}

:fullscreen .hls-teacher-session {
  opacity: .28;
  transition: opacity .2s ease;
}

:fullscreen .hls-teacher-session:hover,
:fullscreen .hls-teacher-session:focus-within {
  opacity: 1;
}

.hls-access-body {
  min-height: 100vh;
  margin: 0;
  color: #f5f9ff;
  background:
    radial-gradient(circle at 50% 0, rgba(69, 168, 225, .2), transparent 36rem),
    linear-gradient(160deg, #06182f 0%, #020b17 72%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.hls-access-header {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.hls-access-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #f7fbff;
  text-decoration: none;
}

.hls-access-brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.hls-access-brand strong,
.hls-access-brand span {
  display: block;
}

.hls-access-brand strong {
  font-size: .98rem;
}

.hls-access-brand span {
  margin-top: 3px;
  color: #9cb2ca;
  font-size: .72rem;
}

.hls-access-back {
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(119, 196, 239, .2);
  border-radius: 11px;
  color: #dcecff;
  background: rgba(5, 21, 41, .7);
  text-decoration: none;
  font-size: .78rem;
  font-weight: 800;
}

.hls-access-main {
  display: grid;
  min-height: calc(100vh - 146px);
  place-items: center;
  padding: 46px 18px 70px;
}

.hls-access-card {
  width: min(520px, 100%);
  box-sizing: border-box;
  padding: clamp(28px, 6vw, 46px);
  border: 1px solid rgba(119, 196, 239, .22);
  border-radius: 26px;
  background:
    radial-gradient(circle at 92% 4%, rgba(177, 127, 239, .16), transparent 18rem),
    rgba(4, 18, 37, .94);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .42), inset 0 1px rgba(255, 255, 255, .05);
}

.hls-access-kicker {
  color: #77c4ef;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hls-access-card h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 7vw, 3.2rem);
  line-height: 1;
  letter-spacing: -.055em;
}

.hls-access-intro {
  margin: 18px 0 0;
  color: #afc1d4;
  line-height: 1.7;
}

.hls-login-form {
  display: grid;
  gap: 11px;
  margin-top: 28px;
}

.hls-login-form label {
  color: #eaf3ff;
  font-size: .82rem;
  font-weight: 850;
}

.hls-login-form input[type="password"] {
  width: 100%;
  min-height: 52px;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid rgba(119, 196, 239, .28);
  border-radius: 12px;
  color: #f8fbff;
  background: rgba(1, 10, 22, .78);
  font: inherit;
}

.hls-login-form input[type="password"]:focus {
  border-color: #77c4ef;
  outline: 3px solid rgba(119, 196, 239, .14);
}

.hls-login-submit {
  min-height: 50px;
  margin-top: 5px;
  padding: 12px 18px;
  border: 1px solid rgba(119, 196, 239, .34);
  border-radius: 12px;
  color: #041321;
  background: linear-gradient(135deg, #83d2fb, #69bce9);
  box-shadow: 0 14px 28px rgba(56, 164, 224, .18);
  font: inherit;
  font-size: .84rem;
  font-weight: 950;
  letter-spacing: .04em;
  cursor: pointer;
}

.hls-login-submit:hover,
.hls-login-submit:focus-visible {
  filter: brightness(1.06);
  outline: none;
  transform: translateY(-1px);
}

.hls-login-error {
  margin: 15px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 122, 143, .35);
  border-radius: 12px;
  color: #ffdce2;
  background: rgba(117, 23, 45, .24);
  font-size: .84rem;
  line-height: 1.55;
}

.hls-access-note {
  margin: 19px 0 0;
  color: #8199b2;
  font-size: .76rem;
  line-height: 1.6;
}

.hls-access-footer {
  padding: 0 18px 25px;
  color: #7188a1;
  text-align: center;
  font-size: .74rem;
}

@media (max-width: 520px) {
  .hls-access-header {
    min-height: 72px;
  }

  .hls-access-brand span,
  .hls-teacher-session span {
    display: none;
  }

  .hls-access-back {
    padding: 9px 11px;
  }

  .hls-access-main {
    padding-top: 28px;
  }

  .hls-access-card {
    border-radius: 21px;
  }

  .hls-teacher-session {
    padding-left: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hls-login-submit {
    transition: none;
  }
}