/*
  Sign up for the worksheets free trial (portal/signup.php), 16 Oct 2026.
  Loaded on that page only, after the shared portal styles, and scoped to
  .su-page so no other account page changes. Palette "Refined heritage"
  (brand/BRAND.md). Light only: inputs set their own colours (with
  !important, as portal.css does) so they stay readable in dark mode.
*/

.su-page {
  --su-paper: #F3EDE2;
  --su-paper-2: #ECE3D4;
  --su-ivory: #FBF7EF;
  --su-ivory-edge: #F6EFE2;
  --su-ink: #14130F;
  --su-ink-soft: #34302A;
  --su-muted: #5B554A;
  --su-navy: #0E2638;
  --su-navy-2: #143654;
  --su-brass: #9A6A1E;
  --su-brass-text: #7D5314;
  --su-brass-on-navy: #D7B377;
  --su-brass-soft: #D9C094;
  --su-line: rgba(20, 19, 15, .14);
  --su-line-strong: rgba(20, 19, 15, .26);
  --su-red: #9B2C2C;
  --su-ease: cubic-bezier(.23, 1, .32, 1);
  --su-serif: "Source Serif 4", Georgia, serif;
  --su-sans: Inter, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --su-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  background:
    radial-gradient(1200px 520px at 85% -10%, rgba(217, 192, 148, .22), transparent 60%),
    radial-gradient(900px 480px at -10% 110%, rgba(14, 38, 56, .07), transparent 60%),
    var(--su-paper);
  color: var(--su-ink-soft);
  font-family: var(--su-sans);
  min-height: 100vh;
}

/* ---- the top bar ---- */
.su-page .portal-top { background: rgba(243, 237, 226, .86); border-bottom: 1px solid var(--su-line); backdrop-filter: blur(10px); }
.su-page .portal-top .wordmark { color: var(--su-ink); }
.su-page .portal-top .wordmark b { color: var(--su-brass); font-weight: 400; }
.su-page .portal-signout {
  display: inline-flex; align-items: center; min-height: 42px; padding: 0 18px; border-radius: 999px;
  border: 1px solid rgba(14, 38, 56, .3); background: transparent; color: var(--su-navy);
  font: 600 13.5px/1 var(--su-sans); letter-spacing: .01em; text-transform: none; text-decoration: none;
}
.su-page .portal-signout:hover { background: rgba(14, 38, 56, .06); border-color: var(--su-navy); color: var(--su-navy); }

/* ---- the page ---- */
.su-page .student-login-auth { display: block; min-height: 0; padding: clamp(28px, 5vw, 64px) 0 clamp(48px, 7vw, 88px); }
.su-page .member-auth-shell { max-width: 1120px; padding: 0 20px; }
.su {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.su-kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--su-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--su-brass-text);
}
.su-kicker::before { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, var(--su-brass), transparent); }
.su-kicker-on-navy { color: var(--su-brass-on-navy); }
.su-kicker-on-navy::before { background: linear-gradient(90deg, var(--su-brass-on-navy), transparent); }

/* ---- what you get (navy panel) ---- */
.su-pitch {
  position: sticky; top: 96px;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(215, 179, 119, .16), transparent 60%),
    linear-gradient(160deg, var(--su-navy) 0%, #0B2132 100%);
  color: #E9E2D3;
  border-radius: 22px;
  padding: clamp(28px, 3.4vw, 44px);
  box-shadow: 0 40px 80px -48px rgba(10, 29, 43, .85), inset 0 1px 0 rgba(248, 244, 236, .08);
  overflow: hidden;
}
.su-title {
  font-family: var(--su-serif); font-weight: 500; color: #F8F4EC;
  font-size: clamp(36px, 4.4vw, 56px); line-height: 1.04; letter-spacing: -.02em;
  margin: 18px 0 16px; max-width: 12ch; text-align: left; text-wrap: balance;
}
.su-title em { font-style: italic; color: var(--su-brass-on-navy); }
.su-lead { font-size: 16.5px; line-height: 1.7; color: #D9D2C3; margin: 0 0 26px; max-width: 46ch; text-wrap: pretty; }
.su-points { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 16px; }
.su-points li { display: flex; gap: 14px; align-items: flex-start; font-size: 15px; line-height: 1.6; color: #CFC7B7; }
.su-points b { color: #F8F4EC; font-weight: 600; }
.su-tick {
  flex: none; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%;
  border: 1px solid rgba(215, 179, 119, .55);
  background: center / 12px 12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2 5 8.6l4.6-5' fill='none' stroke='%23D7B377' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.su-steps {
  list-style: none; margin: 0; padding: 22px 0 0; border-top: 1px solid rgba(248, 244, 236, .14);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
}
.su-steps li { display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; line-height: 1.4; color: #D9D2C3; }
.su-steps span {
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--su-mono); font-size: 12px; color: var(--su-navy); background: var(--su-brass-on-navy);
}

/* ---- the form (ivory panel) ---- */
.su-card, .su-message {
  position: relative;
  background: linear-gradient(180deg, var(--su-ivory), var(--su-ivory-edge));
  border: 1px solid var(--su-line);
  border-radius: 22px;
  padding: clamp(24px, 3.2vw, 40px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .8) inset, 0 34px 70px -52px rgba(14, 38, 56, .55);
}
.su-card::before, .su-message::before {
  content: ""; position: absolute; left: 24px; right: 24px; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--su-brass-soft), transparent);
}
.su-card-title {
  font-family: var(--su-serif); font-weight: 500; color: var(--su-ink);
  font-size: clamp(26px, 2.6vw, 32px); line-height: 1.1; letter-spacing: -.012em; margin: 0 0 6px; max-width: none;
}
.su-card-sub { margin: 0 0 22px; font-size: 14.5px; color: var(--su-muted); }
.su-card-sub a, .su-small a, .su-terms a, .su-message-body a { color: var(--su-navy); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.su-notice {
  margin: 0 0 18px; padding: 12px 16px; border-radius: 12px;
  background: #F7E0DC; border: 1px solid rgba(155, 44, 44, .3); color: var(--su-ink); font-size: 14.5px;
}

.su-form { display: flex; flex-direction: column; gap: 22px; }
.su-group { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.su-group legend {
  padding: 0 0 4px; margin-bottom: 2px; width: 100%;
  font-family: var(--su-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--su-brass-text);
  border-bottom: 1px solid var(--su-line);
}
.su-group legend + .su-field { margin-top: 12px; }
.su-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.su-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.su-field > label { font-weight: 600; font-size: 14.5px; color: var(--su-ink); font-family: var(--su-sans); letter-spacing: 0; text-transform: none; }
.su-hint { font-size: 13px; line-height: 1.45; color: var(--su-muted); }
.su-page .member-field-error { font-size: 13.5px; font-weight: 600; color: var(--su-red); }

.su-page .su-form input[type="text"],
.su-page .su-form input[type="email"],
.su-page .su-form input[type="tel"],
.su-page .su-form input[type="password"],
.su-page .su-form select {
  width: 100%; min-height: 50px; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--su-line-strong);
  background-color: #FFFDF8 !important; color: var(--su-ink) !important; -webkit-text-fill-color: var(--su-ink) !important;
  caret-color: var(--su-ink) !important;
  font: 400 16px/1.3 var(--su-sans);
  box-shadow: none;
  transition: border-color .15s, box-shadow .15s;
}
.su-page .su-form select { padding-right: 40px !important; }
.su-page .su-form input:focus, .su-page .su-form select:focus {
  outline: none; border-color: var(--su-brass); box-shadow: 0 0 0 3px rgba(217, 192, 148, .45);
}
.su-page .su-form input[aria-invalid="true"], .su-page .su-form select[aria-invalid="true"] { border-color: var(--su-red); box-shadow: 0 0 0 1px var(--su-red) inset; }
.su-page .su-form input::placeholder { color: #8A8273 !important; -webkit-text-fill-color: #8A8273 !important; }

.su-password { position: relative; }
.su-page .su-password input { padding-right: 84px; }
.su-show {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  min-height: 38px; padding: 0 14px; border-radius: 999px; border: 0; cursor: pointer;
  background: transparent; color: var(--su-navy); font: 600 13px/1 var(--su-sans);
}
.su-show:hover { background: rgba(14, 38, 56, .07); }
.su-show:focus-visible { outline: 3px solid var(--su-brass-soft); outline-offset: 1px; }

.su-check { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; font-size: 14.5px; line-height: 1.55; color: var(--su-ink-soft); font-weight: 400; }
.su-page .su-check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--su-navy); }

.su-captcha .field { display: flex; flex-direction: column; gap: 6px; }
.su-captcha label { font-weight: 600; font-size: 14.5px; color: var(--su-ink); font-family: var(--su-sans); letter-spacing: 0; text-transform: none; }
.su-captcha .field-hint { font-size: 13px; color: var(--su-muted); }
.su-page .su-captcha input { width: 100%; max-width: 180px; min-height: 50px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--su-line-strong); background-color: #FFFDF8 !important; font: 400 16px var(--su-sans); }
.su-captcha .captcha-row { display: flex; justify-content: flex-start; }

.su-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 54px; padding: 0 28px; border-radius: 999px; border: 1px solid transparent;
  font: 600 15px/1.2 var(--su-sans); letter-spacing: .005em; text-decoration: none; text-transform: none; cursor: pointer;
  transition: transform .18s var(--su-ease), background-color .3s var(--su-ease), box-shadow .3s var(--su-ease);
}
.su-btn:active { transform: scale(.97); }
.su-btn-primary { background: var(--su-navy); color: #FBF7EF; box-shadow: 0 18px 34px -20px rgba(14, 38, 56, .85); }
.su-btn-primary:hover { background: var(--su-navy-2); color: #FBF7EF; transform: translateY(-2px); }
.su-btn-ghost { background: transparent; color: var(--su-navy); border-color: var(--su-line-strong); }
.su-btn-ghost:hover { background: rgba(14, 38, 56, .06); color: var(--su-navy); }
.su-submit { width: 100%; margin-top: 2px; }
.su-fineprint { margin: -8px 0 0; text-align: center; font-size: 13px; color: var(--su-muted); }

/* ---- the short messages (check your inbox, not open yet) ---- */
.su-message { max-width: 620px; margin: clamp(10px, 4vw, 40px) auto 0; text-align: center; }
.su-message-icon {
  width: 64px; height: 64px; margin: 4px auto 18px; border-radius: 50%;
  display: grid; place-items: center; background: var(--su-navy); color: var(--su-brass-on-navy);
}
.su-message-icon svg { width: 28px; height: 28px; }
.su-message .su-kicker { justify-content: center; }
.su-message-title {
  font-family: var(--su-serif); font-weight: 500; color: var(--su-ink);
  font-size: clamp(32px, 4vw, 44px); line-height: 1.06; letter-spacing: -.02em; margin: 12px auto 14px;
  max-width: none; text-align: center;
}
.su-message-body { font-size: 16px; line-height: 1.7; color: var(--su-ink-soft); max-width: 50ch; margin: 0 auto; }
.su-message-body p { margin: 0 0 12px; }
.su-small { font-size: 14px; color: var(--su-muted); }
.su-message-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

/* ---- smaller screens ---- */
@media (max-width: 960px) {
  .su { grid-template-columns: minmax(0, 1fr); }
  .su-pitch { position: static; }
  .su-title { max-width: 16ch; }
}
@media (max-width: 560px) {
  .su-page .member-auth-shell { padding: 0 14px; }
  /* On a phone the form comes sooner: the headline, one line per point. */
  .su-more, .su-steps { display: none; }
  .su-points { gap: 10px; margin-bottom: 0; }
  .su-lead { font-size: 15.5px; margin-bottom: 20px; }
  .su-pair { grid-template-columns: minmax(0, 1fr); }
  .su-steps { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .su-steps li { flex-direction: row; align-items: center; gap: 12px; }
  .su-points li { font-size: 14.5px; }
  .su-pitch, .su-card, .su-message { border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .su-page * { transition: none !important; }
}