.auth-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--header-h));
}

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

.auth-shell__pane {
  padding: var(--s-12) var(--s-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 720px) {
  .auth-shell__pane { padding: var(--s-8) var(--s-5); }
}

.auth-shell__pitch {
  background:
    radial-gradient(800px 500px at 90% 0%, rgba(215, 255, 58, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  border-left: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.auth-shell__pitch::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'><path fill='none' stroke='%23ffffff' stroke-opacity='0.03' d='M0 40h80M40 0v80M0 0l80 80M80 0l-80 80'/></svg>");
  pointer-events: none;
}

@media (max-width: 1024px) {
  .auth-shell__pitch { display: none; }
}

.auth-form {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.auth-form__head { margin-bottom: var(--s-8); }

.auth-form__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--t-3xl);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.auth-form__sub {
  margin-top: var(--s-2);
  font-size: var(--t-md);
  color: var(--ink-2);
  line-height: var(--lh-loose);
}

.auth-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}

@media (max-width: 480px) { .auth-form__row { grid-template-columns: 1fr; } }

.auth-form__row--3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 480px) { .auth-form__row--3 { grid-template-columns: 1fr; } }

.auth-form__divider {
  margin: var(--s-6) 0 var(--s-4);
  display: flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--ink-3);
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: var(--tr-widest);
  font-weight: 700;
}
.auth-form__divider::before, .auth-form__divider::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}

.auth-form__legal {
  margin-top: var(--s-5);
  padding: var(--s-4);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-size: var(--t-xs);
  color: var(--ink-3);
  line-height: var(--lh-loose);
}
.auth-form__legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.auth-form__strength {
  display: flex;
  gap: 3px;
  margin-top: 6px;
}
.auth-form__strength span {
  flex: 1;
  height: 3px;
  background: var(--bg-3);
  border-radius: 2px;
  transition: background var(--d-fast) var(--ease-std);
}
.auth-form__strength--1 span:nth-child(-n+1) { background: var(--down); }
.auth-form__strength--2 span:nth-child(-n+2) { background: var(--warn); }
.auth-form__strength--3 span:nth-child(-n+3) { background: var(--up); }
.auth-form__strength--4 span:nth-child(-n+4) { background: var(--accent); }

.auth-form__alt {
  margin-top: var(--s-4);
  text-align: center;
  font-size: var(--t-sm);
  color: var(--ink-2);
}
.auth-form__alt a { color: var(--accent); font-weight: 600; }

.auth-pitch {
  position: relative;
  padding: var(--s-12) var(--s-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  z-index: 2;
}

.auth-pitch__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--r-pill);
  color: var(--accent);
  font-size: var(--t-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tr-wide);
  width: max-content;
  margin-bottom: var(--s-5);
}

.auth-pitch__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.auth-pitch__title b { color: var(--accent); }

.auth-pitch__features {
  margin-top: var(--s-8);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.auth-pitch__feature {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
}

.auth-pitch__feature-mark {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.auth-pitch__feature-title { font-weight: 600; color: var(--ink-1); }
.auth-pitch__feature-body { font-size: var(--t-sm); color: var(--ink-3); margin-top: 2px; line-height: var(--lh-base); }