:root { color-scheme: dark; }

.student-access-body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at 12% 0%, rgba(79, 224, 239, .17), transparent 34%), radial-gradient(circle at 90% 20%, rgba(245, 116, 187, .14), transparent 32%), #070a12;
  color: #f6fbff;
}

.student-access-main {
  width: min(680px, calc(100% - 28px));
  margin: 0 auto;
  padding: clamp(24px, 6vw, 58px) 0;
}

.student-access-logo {
  display: block;
  width: min(330px, 88vw);
  height: auto;
  margin: 0 auto 26px;
  border: 1px solid #30405a;
  border-radius: 18px;
}

.student-access-card {
  padding: clamp(24px, 5vw, 46px);
  border: 2px solid #35506b;
  border-radius: 28px;
  background: rgba(12, 21, 37, .97);
  box-shadow: 0 28px 70px rgba(0, 0, 0, .35);
}

.student-access-card h1 {
  margin: 9px 0 10px;
  font-size: clamp(2.3rem, 8vw, 4rem);
  line-height: .98;
}

.student-access-card > p { margin: 0 0 28px; color: #c8d7e9; font-size: 1.08rem; }
.student-app-install {
  margin-bottom: 26px;
  padding: 17px;
  border: 2px solid #6be8f2;
  border-radius: 18px;
  background: #101d31;
}

.student-access-card .student-app-install button {
  width: 100%;
  min-height: 118px;
  padding: 10px;
  border: 0;
  border-radius: 19px;
  background: linear-gradient(135deg, #f9fbff 0%, #ffffff 52%, #e8fbff 100%);
  color: #080c14;
  font: inherit;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .28), inset 0 0 0 1px rgba(12, 21, 35, .18);
  transition: transform .18s ease, box-shadow .18s ease;
}

.student-access-card .student-app-install button:hover,
.student-access-card .student-app-install button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .34), 0 0 0 4px rgba(103, 231, 243, .28);
}

.install-platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 9px;
}

.install-platform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 47px;
  padding: 6px 10px;
  border: 1px solid #bcc4d0;
  border-radius: 11px;
  background: #fff;
  text-align: left;
}

.install-platform small,
.install-cta small { display: block; font-size: .68rem; font-weight: 750; line-height: 1; }
.install-platform strong { display: block; font-size: 1rem; line-height: 1.15; }
.play-mark { color: #20b7d5; font-size: 1.65rem; filter: drop-shadow(4px 0 #ffcd48); }
.apple-mark { position: relative; width: 25px; height: 25px; border-radius: 44% 48% 52% 48%; background: #07090e; }
.apple-mark::after { content: ""; position: absolute; width: 8px; height: 5px; top: -5px; left: 14px; border-radius: 100% 0; background: #07090e; transform: rotate(-34deg); }

.install-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 47px;
  padding: 8px 14px;
  border-radius: 12px;
  background: linear-gradient(90deg, #63e2f0, #b6ff62);
}

.install-cta > span:first-child { font-size: 1.45rem; }
.install-cta strong { display: block; font-size: 1.05rem; line-height: 1.2; }

.student-app-install p { margin: 10px 2px 0; color: #d5e2f1; line-height: 1.4; }

.student-app-install.is-installed {
  width: fit-content;
  max-width: 100%;
  margin-left: auto;
  padding: 0;
  border-color: transparent;
  background: transparent;
}

.student-access-card .student-app-install.is-installed button {
  width: auto;
  min-height: 46px;
  padding: 6px 12px;
  border: 1px solid #72eca8;
  border-radius: 13px;
  background: rgba(24, 74, 51, .75);
  color: #c4ffda;
  box-shadow: none;
}

.student-app-install.is-installed .install-cta { min-height: 32px; padding: 4px 8px; background: transparent; }
.student-app-install.is-installed .install-cta > span:first-child { font-size: 1rem; }
.student-app-install.is-installed .install-cta strong { font-size: .82rem; }
.student-app-install.is-installed .install-cta small { font-size: .62rem; }
.student-app-install.is-installed p { display: none; }

@media (max-width: 430px) {
  .student-access-card .student-app-install button { min-height: 110px; }
  .install-platform { padding-inline: 7px; }
  .install-platform strong { font-size: .92rem; }
  .play-mark { font-size: 1.45rem; }
}
.student-access-card form { display: grid; gap: 12px; }
.student-access-card label { font-weight: 900; }

.student-access-card input[type="text"],
.student-access-card input[type="tel"],
.student-access-card input[type="email"],
.student-access-card select {
  min-height: 62px;
  border: 2px solid #435570;
  border-radius: 16px;
  padding: 0 17px;
  background: #111c30;
  color: #fff;
  font: inherit;
  font-size: 1.1rem;
}

.student-access-card select { cursor: pointer; }

.save-student-data {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 8px 0;
  padding: 16px;
  border-radius: 15px;
  background: #16233a;
}

.save-student-data input { width: 26px; height: 26px; flex: 0 0 auto; }
.save-student-data strong, .save-student-data small { display: block; }
.save-student-data small { margin-top: 4px; color: #c4d1e3; font-weight: 500; }

.student-access-card button {
  min-height: 64px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(90deg, #63e5ef, #b7fb68);
  color: #061018;
  font: inherit;
  font-size: 1.08rem;
  font-weight: 950;
  cursor: pointer;
}

.student-access-message { min-height: 22px; margin: 0; color: #86efb6; font-weight: 800; }
.student-access-back { display: block; margin-top: 18px; color: #71e8f3; text-align: center; font-weight: 800; }

input:focus-visible, button:focus-visible, a:focus-visible { outline: 4px solid #ffd36b; outline-offset: 3px; }