:root {
  color-scheme: light;
  --ink: #122c4d;
  --muted: #52667d;
  --paper: #fbfcff;
  --blue: #07599a;
  --blue-dark: #043c70;
  --red: #e71d4f;
  --red-dark: #b90d38;
  --blue-pale: #e9f3fb;
  --border: #cbd9e7;
  font-family: Inter, "Noto Sans Khmer", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: linear-gradient(135deg, #e8f3fb 0%, var(--paper) 48%, #fff0f4 100%);
}

.page-shell {
  display: grid;
  min-height: 100dvh;
  grid-template-rows: 1fr auto;
}

.hero {
  width: min(100% - 2rem, 680px);
  margin: auto;
  padding: 3rem 0 2rem;
  text-align: center;
}

.language-switcher {
  display: inline-flex;
  gap: .25rem;
  padding: .25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgb(255 255 255 / .72);
}

.language-button, .text-button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.language-button {
  min-height: 38px;
  padding: .35rem .8rem;
  color: var(--blue-dark);
  border-radius: 999px;
  background: transparent;
}

.language-button.is-active {
  color: white;
  background: var(--blue);
}

.school-logo {
  display: block;
  width: 156px;
  height: 156px;
  margin: 2rem auto 1rem;
  object-fit: contain;
  filter: drop-shadow(0 13px 22px rgb(4 60 112 / .2));
}

.eyebrow {
  margin: 0 0 .55rem;
  color: var(--blue);
  font-size: .92rem;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(2rem, 6vw, 3.45rem); line-height: 1.1; }
h2 { margin: 0; font-size: 1.35rem; }

.intro {
  max-width: 540px;
  margin: 1rem auto 2rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.login-card {
  max-width: 420px;
  padding: 1.8rem;
  margin: auto;
  text-align: left;
  border: 1px solid rgb(215 223 208 / .9);
  border-radius: 20px;
  background: rgb(255 255 255 / .82);
  box-shadow: 0 18px 38px rgb(4 60 112 / .12);
}

.login-description { margin: .55rem 0 1.25rem; color: var(--muted); line-height: 1.55; }
.google-sign-in { min-height: 42px; }
.login-status { min-height: 1.5em; margin: 1rem 0 0; color: var(--muted); font-size: .9rem; line-height: 1.45; }
.login-status.is-error { color: #a73526; }
.login-status.is-success { color: var(--blue-dark); }
.signed-in-card { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.signed-in-label { margin: 0; color: var(--muted); font-size: .84rem; }
.signed-in-email { margin: .25rem 0 .8rem; overflow-wrap: anywhere; font-weight: 700; }
.text-button { padding: .35rem 0; color: var(--red-dark); font-weight: 700; background: transparent; text-decoration: underline; }
.footer { padding: 1.5rem; color: var(--muted); font-size: .85rem; text-align: center; }

@media (max-width: 480px) {
  .hero { width: min(100% - 1.25rem, 680px); padding-top: 1.25rem; }
  .school-logo { width: 132px; height: 132px; margin-top: 1.25rem; }
  .login-card { padding: 1.35rem; }
}