/* HENG-230 signup screens, from HENG-230-signup-mocks (assets/signup.css). Only
   new styles live here; the shell is the sign-in page's (public/login.css). The
   account step is Clerk's component, styled by public/common/clerk-appearance.js,
   so the mock's stand-in social, divider and code rules are not carried. */

.su-card { padding-bottom: 28px; }

/* Progress */
.su-steps { display: flex; gap: 6px; list-style: none; margin: 22px 0 0; padding: 0; }
.su-step { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.su-step::before { content: ""; height: 3px; border-radius: 3px; background: var(--line-hairline); }
.su-step--done::before, .su-step--current::before { background: var(--ink-accent); }
.su-step__dot { display: none; }
.su-step__label { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.su-step--current .su-step__label { color: var(--ink-primary); }

/* Headings inside the card */
.su-title { margin: 0 0 6px; font-size: 20px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink-primary); }
.su-sub { margin: 0 0 22px; font-size: 14px; line-height: 1.5; color: var(--ink-muted); }

/* Fields */
.su-form { display: flex; flex-direction: column; gap: 18px; }
.su-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.su-field { display: flex; flex-direction: column; }
.su-label { margin-bottom: 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-label); }
.su-optional { margin-left: 6px; font-weight: 400; letter-spacing: 0.04em; text-transform: none; color: var(--ink-muted); }
.su-input {
  width: 100%; min-height: 50px; padding: 0 16px; border: 0; border-radius: 14px; font: inherit; font-size: 16px;
  background: var(--surface-input-fill); color: var(--ink-primary);
  box-shadow: inset 0 0 0 1px var(--line-control-border); box-sizing: border-box;
}
.su-select { appearance: none; }
.su-hint { margin: 8px 0 0; font-size: 12.5px; color: var(--ink-muted); }
.su-field--invalid .su-input { box-shadow: inset 0 0 0 1px var(--meaning-danger-border); }
.su-error { margin: 8px 0 0; font-size: 12.5px; color: var(--meaning-danger); }

/* Buttons */
.su-primary {
  display: inline-flex; align-items: center; justify-content: center; width: 100%;
  min-height: 52px; padding: 0 22px; border: 0; border-radius: 999px; cursor: pointer;
  font: inherit; font-size: 16px; font-weight: 700; text-decoration: none;
  background: var(--cta-volt-fill); box-shadow: var(--cta-volt-shadow); color: var(--color-deep-green);
}
.su-actions { display: flex; align-items: center; gap: 16px; margin-top: 22px; }
.su-actions .su-primary { flex: 1; }
.su-back, .su-secondary { font-size: 14px; font-weight: 700; color: var(--ink-muted); text-decoration: none; white-space: nowrap; }
.su-back:hover, .su-secondary:hover { color: var(--ink-primary); }
.su-primary--link { width: auto; flex: 1; }
.su-signedin { margin: 2px 0 0; font-size: 13px; color: var(--ink-muted); }
.su-signedin a, .su-terms a { color: var(--ink-primary); text-underline-offset: 3px; }
.su-switch { margin-top: 18px; }

/* Plan */
.su-plan__card {
  padding: 18px 20px; border-radius: 16px; cursor: pointer;
  background: var(--surface-input-fill); box-shadow: inset 0 0 0 1px var(--line-control-border);
}
.su-plan__card--selected { box-shadow: inset 0 0 0 2px var(--ink-accent); }
.su-plan__top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.su-plan__name { font-size: 16px; font-weight: 700; color: var(--ink-primary); }
.su-plan__price { font-size: 22px; font-weight: 700; color: var(--ink-primary); }
.su-plan__price span { margin-left: 2px; font-size: 13px; font-weight: 400; color: var(--ink-muted); }
.su-plan__desc { margin: 6px 0 0; font-size: 13.5px; line-height: 1.45; color: var(--ink-muted); }

.su-seats { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 18px 0 0; }
.su-seats__label { margin: 0; font-size: 14px; font-weight: 700; color: var(--ink-primary); }
.su-seats__hint { margin: 2px 0 0; font-size: 12.5px; line-height: 1.4; color: var(--ink-muted); }
.su-stepper { flex: none; display: inline-flex; align-items: center; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line-control-border); background: var(--surface-control-fill); }
.su-stepper button { width: 40px; height: 40px; border: 0; background: none; font-size: 20px; color: var(--ink-primary); cursor: pointer; }
.su-stepper button:disabled { color: var(--ink-muted); opacity: 0.45; cursor: default; }
.su-stepper output { min-width: 28px; text-align: center; font-weight: 700; color: var(--ink-primary); }

.su-total { display: flex; justify-content: space-between; align-items: baseline; margin: 18px 0; padding: 14px 0; border-top: 1px solid var(--line-hairline); border-bottom: 1px solid var(--line-hairline); font-size: 14px; color: var(--ink-muted); }
.su-total b { font-size: 18px; color: var(--ink-primary); }

.su-terms { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; line-height: 1.45; color: var(--ink-primary); cursor: pointer; }
.su-terms input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--ink-accent); flex: none; }
.su-terms--invalid input { outline: 2px solid var(--meaning-danger-border); outline-offset: 2px; }
.auth-banner { margin-bottom: 18px; }

/* Payment received */
.su-status { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 18px 0 6px; }
.su-spinner { width: 36px; height: 36px; margin-bottom: 18px; border-radius: 50%; border: 3px solid var(--line-hairline); border-top-color: var(--ink-accent); }
.su-receipt { margin: 10px 0 0; text-align: center; font-size: 13px; color: var(--ink-muted); }

/* Welcome back summary */
.su-summary { margin: 0; padding: 4px 18px; border-radius: 16px; background: var(--surface-input-fill); box-shadow: inset 0 0 0 1px var(--line-control-border); }
.su-summary div { display: grid; grid-template-columns: 90px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line-hairline); font-size: 14px; }
.su-summary div:last-child { border-bottom: 0; }
.su-summary dt { color: var(--ink-muted); }
.su-summary dd { margin: 0; color: var(--ink-primary); }

@media (max-width: 520px) {
  .su-row { grid-template-columns: 1fr; }
}

.su-signedin { margin-top: 16px; text-align: center; }

/* Additions for the real controls (not in the mock) */
.su-stepper__value {
  width: 40px; padding: 0; border: 0; background: none; text-align: center; font: inherit; font-weight: 700;
  color: var(--ink-primary); -moz-appearance: textfield; appearance: textfield;
}
.su-stepper__value::-webkit-inner-spin-button, .su-stepper__value::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.su-stepper button:focus-visible, .su-stepper__value:focus-visible, .su-primary:focus-visible,
.su-input:focus-visible, .su-link:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.su-input:focus { background: var(--surface-input-focus-fill); box-shadow: inset 0 0 0 1px var(--line-input-focus-border), var(--glow-input-focus); outline: none; }
.su-input[readonly] { color: var(--ink-muted); }
.su-primary:disabled { opacity: 0.5; cursor: default; }
.su-seats__label { display: block; }
.su-inline { display: inline; margin: 0; }
.su-link { padding: 0; border: 0; background: none; font: inherit; color: var(--ink-primary); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.su-actions .su-inline { flex: 1; display: flex; }
.su-spinner { animation: su-spin 0.9s linear infinite; }
@media (prefers-reduced-motion: reduce) { .su-spinner { animation-duration: 2.4s; } }
@keyframes su-spin { to { transform: rotate(360deg); } }
.su-plan { margin-bottom: 0; }
.su-finish { margin-top: 18px; }
.su-finish .su-terms { margin-top: 4px; }
.su-card .auth-banner span a { color: inherit; }