*, *::before, *::after { box-sizing: border-box; }
body {
  min-height: 100vh;
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #081624;
  background-image: linear-gradient(rgba(8, 22, 36, .75), rgba(8, 22, 36, .92)),
    var(--chienthien-page-image, url('/assets/images/bg-pc.png'));
  background-position: center top;
  background-size: cover;
  background-attachment: fixed;
}
input, select, button { font: inherit; }
.register-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 12px;
  padding: 10px 16px;
  border-bottom: 1px solid #344b5f;
  background: #132638;
}
.register-nav a {
  padding: 10px 8px;
  color: #f5f8fc;
  font-weight: 650;
  text-decoration: none;
}
.register-nav a:hover, .register-nav a:focus-visible { text-decoration: underline; }
.alert { padding: 10px 12px; margin-bottom: 16px; border-radius: 8px; }
.alert-danger { background: #fce4e4; color: #801e28; }
.alert-success { background: #e3f3e8; color: #1e5a34; }
.register-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  width: min(100% - 32px, 1040px);
  margin: clamp(24px, 6vw, 80px) auto;
  overflow: hidden;
  border: 1px solid #b99963;
  border-radius: 24px;
  box-shadow: 0 24px 80px #030d17;
}
.register-layout .register-story {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(24px, 4vw, 48px);
  color: #fff;
  background: linear-gradient(180deg, transparent 25%, #081624 95%),
    url('/assets/images/bg-mb.png') center 28% / cover;
}
.register-story p { margin: 8px 0 0; max-width: 28ch; }
.register-story .register-brand {
  color: #ffda9b;
  font-size: 1.5rem;
  font-weight: 800;
}
.register-layout .register-panel {
  min-width: 0;
  padding: clamp(20px, 4vw, 48px);
  background: #fffbf2;
  color: #132c3d;
}
.register-panel h1 { margin: 0 0 8px; color: inherit; font-size: clamp(1.7rem, 4vw, 2.3rem); }
.register-panel p { margin: 0 0 20px; }
.register-fields { display: grid; gap: 14px; }
.register-fields label { display: grid; gap: 5px; color: #234456; font-weight: 650; }
.register-layout .register-fields input,
.register-layout .register-fields select {
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid #83929a;
  border-radius: 8px;
  background: #fff;
  color: #132c3d;
}
.register-layout :is(input, select, button, a):focus-visible { outline: 2px solid #166987; outline-offset: 3px; }
.register-verification { margin: 16px 0; }
.register-layout .register-submit {
  width: 100%;
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  background: #143c54;
  color: #fff;
  font-weight: 750;
}
.login-layout .register-submit { margin-top: 16px; }
.register-submit:hover { background: #20546c; }
.register-submit:disabled { opacity: .65; }
.register-layout .register-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin: 16px 0 0;
}
.register-layout .register-links a { color: #15526b; text-decoration: underline; }
@media (max-width: 700px) {
  .register-layout { grid-template-columns: minmax(0, 1fr); }
  .register-layout .register-story { min-height: 240px; background-position: center, center 22%; }
  .register-layout .register-panel { padding-inline: 16px; }
}