.signup-section {
  --sf-bg:        var(--paper, #FAFAF8);
  --sf-card:      var(--paper-card, #FFFFFF);
  --sf-ink:       var(--ink, #1A1A1A);
  --sf-ink-soft:  var(--ink-soft, var(--text-muted, #6B6B6B));
  --sf-line:      var(--line, rgba(0, 0, 0, 0.10));
  --sf-line-strong: var(--line-strong, rgba(0, 0, 0, 0.18));
  --sf-brand:     var(--brand-primary, #1A1A1A);
  --sf-accent:    var(--brand-accent, #888888);
  --sf-display:   var(--font-display, var(--font-serif, Georgia, serif));
  --sf-body:      var(--font-body, var(--font-sans, system-ui, sans-serif));
  --sf-radius-md: 10px;
  --sf-radius-lg: 14px;
  --sf-shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 12px 36px rgba(0,0,0,.08);
  --sf-shadow-focus: 0 0 0 3px color-mix(in srgb, var(--sf-brand) 22%, transparent);

  font-family: var(--sf-body);
  color: var(--sf-ink);
  background: var(--sf-bg);
  padding: clamp(2rem, 5vw, 4.5rem) 0 clamp(3rem, 6vw, 5rem);
  min-height: 70vh;
}

.signup-section .container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 1.75rem);
}

.signup-header {
  text-align: center;
  margin: 0 0 clamp(2rem, 4vw, 2.75rem);
}
.signup-title {
  font-family: var(--sf-display);
  font-weight: 600;
  font-size: clamp(1.65rem, 1.2rem + 1.8vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  color: var(--sf-ink);
}
.signup-progress {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--sf-ink-soft);
  background: var(--sf-card);
  border: 1px solid var(--sf-line);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  margin: 0;
}
.signup-progress__step { padding: 0.05rem 0.25rem; letter-spacing: 0.02em; }
.signup-progress__step.is-active { color: var(--sf-brand); font-weight: 600; }
.signup-progress__sep { color: var(--sf-ink-soft); opacity: 0.55; }

.signup-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

#member-info.signup-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
}
@media (max-width: 900px) {
  .signup-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  #member-info.signup-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.signup-form-card {
  background: var(--sf-card);
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--sf-shadow-card);
}

.signup-fields {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.1rem 1.25rem;
}
.signup-field--full  { grid-column: 1 / -1; }
.signup-field--half  { grid-column: span 3; }
.signup-field--third { grid-column: span 2; }
@media (max-width: 600px) {
  .signup-fields { grid-template-columns: 1fr; }
  .signup-field--half, .signup-field--third { grid-column: 1 / -1; }
}

.signup-field { margin: 0; }
.signup-field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--sf-ink);
  margin: 0 0 0.4rem;
}
.signup-field .req {
  color: #C0392B;
  font-weight: 700;
  margin-left: 0.15rem;
}
.signup-help {
  display: block;
  font-size: 0.78rem;
  color: var(--sf-ink-soft);
  margin: 0.4rem 0 0;
}

.signup-field input[type="text"],
.signup-field input[type="email"],
.signup-field input[type="password"],
.signup-field input[type="tel"],
.signup-field select {
  width: 100%;
  font-family: inherit;
  font-size: 0.98rem;
  line-height: 1.4;
  color: var(--sf-ink);
  background: var(--sf-card);
  border: 1px solid var(--sf-line-strong);
  border-radius: var(--sf-radius-md);
  padding: 0.74rem 0.9rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.signup-field select {
  padding-right: 2.4rem;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--sf-ink-soft) 50%),
    linear-gradient(135deg, var(--sf-ink-soft) 50%, transparent 50%);
  background-position:
    calc(100% - 1.05rem) calc(50% - 2px),
    calc(100% - 0.75rem) calc(50% - 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.signup-field input:focus,
.signup-field select:focus {
  outline: none;
  border-color: var(--sf-brand);
  box-shadow: var(--sf-shadow-focus);
}
.signup-field input:invalid:not(:focus):not(:placeholder-shown),
.signup-field select:invalid:not(:focus):not(:placeholder-shown) {
  border-color: rgba(192, 57, 43, 0.45);
}
.signup-field input::placeholder { color: color-mix(in srgb, var(--sf-ink-soft) 70%, transparent); }

.signup-consent {
  background: color-mix(in srgb, var(--sf-bg) 60%, transparent);
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius-md);
  padding: 0.9rem 1rem;
}
.signup-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  line-height: 1.5;
  font-size: 0.92rem;
}
.signup-checkbox input[type="checkbox"] {
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.18rem;
  accent-color: var(--sf-brand);
  cursor: pointer;
}
.signup-checkbox a { color: var(--sf-brand); font-weight: 500; }
.signup-checkbox a:hover { text-decoration: underline; }
.signup-agree-box {
  display: block;
  font-size: 0.78rem;
  color: var(--sf-ink-soft);
  font-style: italic;
  margin-top: 0.45rem;
}

.signup-descriptor {
  margin: 1.5rem 0 0;
  padding: 0.85rem 1rem;
  background: color-mix(in srgb, var(--sf-accent) 14%, transparent);
  border-left: 3px solid color-mix(in srgb, var(--sf-accent) 60%, var(--sf-brand));
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--sf-ink);
}
.signup-descriptor em { font-style: italic; }
.signup-descriptor strong { font-weight: 600; }

.signup-errors {
  background: #FEF2F2;
  border-left: 4px solid #C0392B;
  border-radius: var(--sf-radius-md);
  padding: 0.9rem 1.1rem;
  margin: 0 0 1.5rem;
  color: #7A1F15;
  font-size: 0.92rem;
}
.signup-errors strong { color: #C0392B; }
.signup-errors ul { margin: 0.4rem 0 0 1.25rem; padding: 0; }

.signup-submit,
.signup-pay {
  display: block;
  width: 100%;
  margin-top: 1.75rem;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.signup-login-link {
  text-align: center;
  margin: 1.25rem 0 0;
  font-size: 0.92rem;
  color: var(--sf-ink-soft);
}
.signup-login-link a {
  color: var(--sf-brand);
  font-weight: 600;
}
.signup-login-link a:hover { text-decoration: underline; }

.signup-aside {
  background: var(--sf-card);
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  box-shadow: 0 1px 1px rgba(0,0,0,.02), 0 6px 18px rgba(0,0,0,.04);
  position: sticky;
  top: 1.5rem;
}
@media (max-width: 900px) {
  .signup-aside { position: static; }
}
.signup-aside__title {
  font-family: var(--sf-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin: 0 0 1rem;
  color: var(--sf-ink);
  letter-spacing: -0.01em;
}
.signup-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.signup-aside__list li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--sf-line);
  font-size: 0.93rem;
  color: var(--sf-ink);
  line-height: 1.5;
}
.signup-aside__list li:first-child { border-top: 0; padding-top: 0; }
.signup-aside__list strong { color: var(--sf-ink); font-weight: 600; }
.signup-aside__list em { color: var(--sf-brand); font-style: normal; font-weight: 600; }

.signup-aside__terms {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--sf-line);
}
.signup-aside__terms summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--sf-brand);
}
.signup-aside__terms[open] summary { margin-bottom: 0.75rem; }
.signup-aside__terms-body {
  font-size: 0.85rem;
  color: var(--sf-ink-soft);
  line-height: 1.55;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.signup-payment {
  animation: signupFadeIn 0.32s ease both;
}
@keyframes signupFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
.signup-payment__loading {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--sf-ink-soft);
  font-size: 0.95rem;
}

.signup-summary {
  background: var(--sf-card);
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  box-shadow: 0 1px 1px rgba(0,0,0,.02), 0 6px 18px rgba(0,0,0,.04);
  position: sticky;
  top: 1.5rem;
}
@media (max-width: 900px) { .signup-summary { position: static; } }
.signup-summary__title {
  font-family: var(--sf-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}
.signup-summary__lines {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem 1.25rem;
  margin: 0 0 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--sf-line);
}
.signup-summary__lines dt {
  font-size: 0.88rem;
  color: var(--sf-ink-soft);
}
.signup-summary__lines dd {
  margin: 0;
  text-align: right;
  font-weight: 600;
  color: var(--sf-ink);
}
.signup-summary__trust {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.signup-summary__trust li {
  padding: 0.4rem 0 0.4rem 1.5rem;
  position: relative;
  font-size: 0.88rem;
  color: var(--sf-ink-soft);
  line-height: 1.5;
}
.signup-summary__trust li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 14px;
  height: 14px;
  background:
    linear-gradient(45deg, transparent 35%, var(--sf-brand) 35% 45%, transparent 45%) no-repeat,
    linear-gradient(-45deg, transparent 35%, var(--sf-brand) 35% 60%, transparent 60%) no-repeat;
  background-position: 2px 6px, 5px 4px;
}
.signup-summary__support {
  font-size: 0.86rem;
  color: var(--sf-ink-soft);
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--sf-line);
}
.signup-summary__support a { color: var(--sf-brand); font-weight: 600; }
.signup-summary__support a:hover { text-decoration: underline; }

.signup-back {
  text-align: center;
  margin: 0.85rem 0 0;
}
.signup-back-link {
  background: none;
  border: 0;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  color: var(--sf-ink-soft);
  font-size: 0.88rem;
  font-family: inherit;
}
.signup-back-link:hover { color: var(--sf-brand); }

@media (max-width: 600px) {
  .signup-form-card { padding: 1.25rem; }
  .signup-aside, .signup-summary { padding: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .signup-payment { animation: none; }
  .signup-field input, .signup-field select { transition: none; }
}

.legal-prose {
  max-width: 760px;
  margin: 0 auto;
  color: var(--sf-ink);
  font-family: var(--sf-body);
  font-size: 1rem;
  line-height: 1.7;
}
.legal-prose h1,
.legal-prose h2,
.legal-prose h3 {
  font-family: var(--sf-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 2em 0 0.5em;
  line-height: 1.2;
  color: var(--sf-ink);
}
.legal-prose h1 { font-size: 1.6rem; }
.legal-prose h2 { font-size: 1.3rem; }
.legal-prose h3 { font-size: 1.1rem; }
.legal-prose h1:first-child,
.legal-prose h2:first-child,
.legal-prose h3:first-child { margin-top: 0; }
.legal-prose p { margin: 0 0 1em; }
.legal-prose ul,
.legal-prose ol { margin: 0 0 1.25em 1.5em; padding: 0; }
.legal-prose li { margin: 0 0 0.5em; }
.legal-prose a { color: var(--sf-brand); text-decoration: underline; }
.legal-prose hr {
  border: 0;
  border-top: 1px solid var(--sf-line);
  margin: 2em 0;
}
.legal-prose .legal-updated {
  font-size: 0.85rem;
  color: var(--sf-ink-soft);
  margin: 0 0 2em;
}

.signup-form-card { background: var(--paper-2); color: var(--ink); border-color: var(--line); }
.signup-aside, .signup-aside__title, .signup-aside__list, .signup-aside__list li,
.signup-aside__terms, .signup-aside__terms-body, .signup-title, .signup-header,
.signup-section, .signup-progress, .signup-progress__step, .signup-login-link,
.signup-field, .signup-field label, .signup-consent, .signup-checkbox { color: var(--ink); }
.signup-help, .signup-descriptor, .signup-progress__sep { color: var(--muted); }
.signup-field input, .signup-field select, .signup-field textarea,
.signup-fields input, .signup-fields select, .signup-fields textarea,
.signup-form-card input, .signup-form-card select, .signup-form-card textarea {
  background: var(--paper); color: var(--ink); border-color: var(--line);
}
.signup-form-card input::placeholder, .signup-form-card textarea::placeholder { color: var(--muted); }
.signup-agree-box { background: var(--paper); border-color: var(--line); color: var(--ink); }

.signup-aside, .signup-aside *, .signup-aside__title, .signup-aside__list li, .signup-aside__list li strong { color: var(--ink) !important; }
.signup-aside__terms-body, .signup-aside__terms-body * { color: var(--muted) !important; }

.signup-aside { background: var(--paper-2) !important; border: 1px solid var(--line) !important; }
.signup-aside__list li { border-color: var(--line) !important; }

#login .signup-form-card,#cancel .signup-form-card,#password-reset .signup-form-card{max-width:30rem;margin-left:auto;margin-right:auto;}