:root {
  --auth-color-background: #ffffff;
  --auth-color-surface: rgba(255, 255, 255, 0.92);
  --auth-color-surface-soft: #f6f6f3;
  --auth-color-border: rgba(17, 24, 39, 0.08);
  --auth-color-text: #1f2937;
  --auth-color-muted: #667085;
  --auth-color-accent: #ffcc33;
  --auth-color-accent-text: #2f2a11;
  --auth-display-font: "DIN Alternate", "DIN 2014", "Arial Narrow",
    "Helvetica Neue", Arial, sans-serif;
  --auth-body-font: Inter, "Helvetica Neue", "Hiragino Sans", "Meiryo",
    sans-serif;
  --auth-shell: 960px;
  --auth-shell-narrow: 560px;
}

.page-auth,
.page-auth * {
  box-sizing: border-box;
}

body.page-auth {
  margin: 0;
  background: linear-gradient(180deg, #ffffff 0%, #faf9f5 55%, #ffffff 100%);
  color: var(--auth-color-text);
  font-family: var(--auth-body-font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.page-auth a {
  color: inherit;
}

.page-auth .auth-section {
  padding: 44px 30px 56px;
}

.page-auth .auth-shell {
  max-width: var(--auth-shell);
  margin: 0 auto;
}

.page-auth .auth-shell--narrow {
  max-width: var(--auth-shell-narrow);
}

.page-auth .auth-panel {
  padding: 32px;
  border: 1px solid var(--auth-color-border);
  border-radius: 24px;
  background: var(--auth-color-surface);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.04);
}

.page-auth .auth-panel--wide {
  padding: 36px;
}

.page-auth .auth-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin: 0 0 18px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(246, 246, 243, 0.9);
  border: 1px solid rgba(17, 24, 39, 0.06);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--auth-color-muted);
}

.page-auth h1,
.page-auth h2 {
  margin: 0;
  font-family: var(--auth-display-font);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.page-auth h1 {
  font-size: clamp(34px, 4.6vw, 48px);
  line-height: 1.06;
}

.page-auth h2 {
  font-size: 24px;
  line-height: 1.15;
}

.page-auth .auth-lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--auth-color-muted);
}

.page-auth .auth-state-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--auth-color-muted);
}

.page-auth .auth-notice {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 204, 51, 0.16);
  color: rgba(47, 42, 17, 0.92);
  font-size: 14px;
  line-height: 1.75;
}

.page-auth .auth-form {
  margin-top: 24px;
}

.page-auth .auth-form__grid {
  display: grid;
  gap: 16px;
}

.page-auth .auth-field {
  display: grid;
  gap: 8px;
}

.page-auth .auth-field__label {
  font-size: 13px;
  font-weight: 650;
  line-height: 1.6;
  color: rgba(31, 41, 55, 0.82);
}

.page-auth .auth-field input {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 14px;
  background: #ffffff;
  color: var(--auth-color-text);
  font: inherit;
}

.page-auth .auth-field input::placeholder {
  color: rgba(102, 112, 133, 0.76);
}

.page-auth .auth-field input:focus {
  outline: 2px solid rgba(255, 204, 51, 0.34);
  outline-offset: 2px;
  border-color: rgba(255, 204, 51, 0.8);
}

.page-auth .auth-button {
  margin-top: 18px;
  min-height: 50px;
  padding: 0 20px;
  border: 0;
  border-radius: 14px;
  background: var(--auth-color-accent);
  color: var(--auth-color-accent-text);
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.page-auth .auth-button:hover {
  filter: brightness(0.98);
}

.page-auth a.auth-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  text-decoration: none;
}

.page-auth .auth-button--subtle {
  margin-top: 0;
  border: 1px solid var(--auth-color-border);
  background: #ffffff;
  color: var(--auth-color-text);
}

.page-auth .auth-button--subtle:hover {
  background: #f9fafb;
  filter: none;
}

.page-auth .auth-links {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-auth .auth-links--inline {
  grid-template-columns: repeat(2, minmax(0, auto));
  align-items: center;
  justify-content: flex-start;
  column-gap: 18px;
}

.page-auth .auth-links a {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(31, 41, 55, 0.82);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.page-auth .auth-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.page-auth .auth-summary-card {
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--auth-color-border);
  background: var(--auth-color-surface-soft);
}

.page-auth .auth-summary-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--auth-color-muted);
}

.page-auth .auth-summary-value {
  color: var(--auth-color-text) !important;
  font-size: 16px !important;
  font-weight: 650;
  line-height: 1.7 !important;
}

.page-auth .auth-account-actions {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.page-auth .auth-payment-start-form {
  margin: 0;
}

.page-auth .auth-payment-start-form .auth-button {
  margin-top: 0;
}

.page-auth .auth-logout-form {
  margin: 0;
}

@media (max-width: 900px) {
  .page-auth .auth-summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-auth .auth-section {
    padding: 32px 18px 44px;
  }

  .page-auth .auth-panel,
  .page-auth .auth-panel--wide {
    padding: 24px 20px;
    border-radius: 20px;
  }

  .page-auth .auth-links--inline {
    grid-template-columns: 1fr;
    row-gap: 10px;
  }
}