:root {
  color: #281f2d;
  background: #f7f1f6;
  font-family: ui-rounded, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 188, 212, 0.72), transparent 30rem),
    radial-gradient(circle at 88% 84%, rgba(202, 216, 255, 0.75), transparent 30rem),
    linear-gradient(145deg, #fdfafd, #f2ebf4);
}

.login-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.75fr);
  align-items: center;
  width: min(1080px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  gap: clamp(36px, 8vw, 100px);
  padding: calc(36px + env(safe-area-inset-top, 0px)) 0 calc(36px + env(safe-area-inset-bottom, 0px));
}

.eyebrow,
.step {
  margin: 0 0 10px;
  color: #ad3159;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.login-copy h1 {
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.07em;
}

.lead {
  max-width: 590px;
  margin: 24px 0 0;
  color: #706574;
  font-size: 1rem;
  line-height: 1.85;
}

.promise-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
}

.promise-grid span {
  border: 1px solid rgba(83, 61, 90, 0.13);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: #625568;
  font-size: 0.76rem;
  font-weight: 750;
  padding: 9px 13px;
}

.login-card {
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 26px 80px rgba(71, 49, 76, 0.16);
  padding: 30px;
  backdrop-filter: blur(18px);
}

.card-icon { font-size: 2.4rem; }
.login-card h2 { margin: 0; font-size: 1.5rem; }
.card-copy,
.privacy-note {
  color: #746978;
  line-height: 1.65;
}
.card-copy { margin: 10px 0 22px; font-size: 0.86rem; }
.privacy-note { margin: 16px 0 0; font-size: 0.72rem; }

.error-box {
  border-radius: 13px;
  background: #fff0f0;
  color: #992f3d;
  margin-bottom: 15px;
  padding: 11px 12px;
  font-size: 0.8rem;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-form > label:first-child {
  font-size: 0.82rem;
  font-weight: 800;
}

.login-form input[type="text"] {
  width: 100%;
  min-height: 52px;
  border: 1px solid rgba(72, 52, 78, 0.2);
  border-radius: 14px;
  background: #fff;
  color: #281f2d;
  font: 750 16px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  padding: 13px 14px;
  text-transform: uppercase;
}

.consent-row {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 9px;
  color: #675b6b;
  cursor: pointer;
  font-size: 0.75rem;
  line-height: 1.55;
  margin: 5px 0;
}

.consent-row input {
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  accent-color: #d94373;
}

.login-form button {
  min-height: 52px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #e54b79, #a92e57);
  color: #fff;
  cursor: pointer;
  font: 850 1rem/1 ui-rounded, "PingFang SC", system-ui, sans-serif;
  box-shadow: 0 12px 26px rgba(185, 47, 91, 0.24);
}

input:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(57, 109, 255, 0.32);
  outline-offset: 2px;
}

@media (max-width: 780px) {
  .login-layout {
    grid-template-columns: 1fr;
    align-content: center;
    width: min(100% - 24px, 540px);
    gap: 28px;
  }
  .login-copy h1 { font-size: clamp(2.45rem, 13vw, 4.2rem); }
  .lead { margin-top: 16px; }
  .promise-grid { margin-top: 18px; }
  .login-card { border-radius: 24px; padding: 22px; }
}

@media (max-width: 390px) {
  .login-copy h1 { font-size: 2.35rem; }
  .promise-grid span { font-size: 0.7rem; padding: 8px 10px; }
}