:root {
  color-scheme: light;
  --bg: #eefbfb;
  --surface: #fffdf9;
  --panel: #eaf7f7;
  --line: #c9e1df;
  --ink: #17353a;
  --muted: #5f7d80;
  --accent: #ff8600;
  --accent-soft: #fff0de;
  --success-soft: #e4f6ee;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  background: #f7faf9;
  color: var(--ink);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.signup-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
}

.signup-rail {
  background: #ffffff;
  border-right: 1px solid var(--line);
  padding: 24px;
  display: grid;
  align-content: start;
  gap: 22px;
}

.signup-brand {
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.signup-brand-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
}

.signup-brand-copy {
  display: grid;
}

.signup-brand-word {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #0aa8b5;
}

.signup-brand-subtitle {
  margin-top: 3px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.rail-card,
.rail-points article,
.signup-form,
.preview-card,
.success-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
}

.rail-card {
  padding: 20px;
}

.rail-card h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 0.98;
}

.rail-copy,
.rail-points p,
.preview-copy,
.head-copy,
.mini-note {
  color: var(--muted);
  line-height: 1.6;
}

.rail-copy {
  margin-top: 14px;
}

.rail-points {
  display: grid;
  gap: 12px;
}

.rail-points article {
  padding: 16px;
}

.rail-points strong {
  display: block;
  margin-bottom: 8px;
}

.signup-pane {
  padding: 24px;
}

.pane-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.head-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pane-head h2 {
  font-size: 2rem;
  line-height: 1;
}

.head-copy {
  margin-top: 10px;
}

.back-link {
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--surface);
}

.pane-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 18px;
}

.signup-form {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.profile-form {
  display: grid;
  gap: 16px;
}

.login-actions {
  align-self: end;
}

.mini-note {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #faf8f3;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.9rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 14px 15px;
  color: var(--ink);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.submit-button,
.ghost-button {
  min-height: 50px;
  border-radius: 16px;
  padding: 0 18px;
  font-weight: 700;
  cursor: pointer;
}

.submit-button {
  border: 0;
  background: linear-gradient(135deg, #ff9d2a 0%, #ff7b00 100%);
  color: #fff;
}

.submit-button:disabled {
  opacity: 0.72;
  cursor: wait;
}

.ghost-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.preview-panel {
  display: grid;
  align-content: start;
  gap: 16px;
}

.preview-card,
.success-card {
  padding: 18px;
}

.preview-card h3,
.success-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.preview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--accent-soft);
  font-size: 0.8rem;
  font-weight: 700;
}

.success-card {
  background: var(--success-soft);
  border-color: rgba(20, 122, 84, 0.22);
}

.is-hidden {
  display: none;
}

@media (max-width: 1024px) {
  .signup-shell,
  .pane-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .signup-rail,
  .signup-pane {
    padding: 16px;
  }

  .pane-head {
    flex-direction: column;
  }
}