/* ============================================================
   HavenLink - auth pages (login / signup), "The Threshold"
   Scoped to body.editorial.auth, prefix au-*.
   Loads after styles.css + editorial.css.

   Layout: full-viewport split. Left, an ink scene - generative
   loom canvas (auth.js) where vertical threads part around a
   ring of light. Right, a paper pane holding the form as a
   quiet editorial column: underline fields, hairline Google
   pill, ink submit.
   ============================================================ */

/* ==================== Shell ==================== */

.au-shell {
  display: grid;
  grid-template-columns: minmax(0, 11fr) minmax(0, 13fr);
  min-height: 100vh;
}

/* ==================== Scene (ink panel) ==================== */

.au-scene {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2.25rem;
  padding: clamp(1.75rem, 3.5vw, 3.25rem);
  overflow: hidden;
  /* depth behind the loom: faint light where the ring sits */
  background-image: radial-gradient(
    circle at 50% 42%,
    rgba(58, 76, 116, 0.55) 0%,
    rgba(13, 24, 48, 0) 62%
  );
}

/* Layering, bottom to top: canvas backdrop → hm-on-ink film grain
   (cinematic, over the loom) → brand / statement / meta text */
.au-scene > canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.au-scene::before {
  z-index: 1;
}

.au-scene > :not(canvas) {
  z-index: 2;
}

.au-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  width: fit-content;
  margin-bottom: auto; /* statement + meta settle at the panel's foot */
}

.au-brand .logo-icon {
  height: 34px;
  width: 34px;
  border-radius: 9px; /* the PNG is a white tile - round it into a chip */
}

/* body.auth to outrank editorial.css's body.editorial .logo-haven */
body.auth .au-scene .logo-haven {
  color: var(--paper);
}

body.auth .au-scene .logo-link {
  color: #e4b79a;
}

.au-statement {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 52;
  font-weight: 400;
  font-size: clamp(2.1rem, 3.4vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 12ch;
  margin: 0;
}

.au-statement em {
  font-style: italic;
  color: #e4b79a;
}

.au-scene-meta {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 530;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(250, 248, 245, 0.5);
}

/* Entrance: statement drifts up once fonts settle */
html.js .au-statement {
  animation: au-rise 0.95s var(--ease-out, cubic-bezier(0.22, 0.61, 0.2, 1)) 0.15s backwards;
}

@keyframes au-rise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
}

/* ==================== Pane (paper form column) ==================== */

.au-pane {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(4.5rem, 9vh, 6.5rem) var(--gutter) clamp(3rem, 7vh, 5rem);
}

.au-back {
  position: absolute;
  top: clamp(1.4rem, 3vw, 2.2rem);
  right: clamp(1.4rem, 3.5vw, 3rem);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 530;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid rgba(20, 33, 61, 0.25);
  transition: color 0.3s ease, border-color 0.3s ease;
}

.au-back:hover {
  color: var(--terracotta);
  border-bottom-color: var(--terracotta);
}

.au-form-wrap {
  width: 100%;
  max-width: 26rem;
}

.au-eyebrow {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: var(--hairline);
  margin-bottom: 2rem;
}

.au-eyebrow .hm-index {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--terracotta);
  letter-spacing: 0.04em;
}

.au-title {
  font-variation-settings: "opsz" 38;
  font-size: clamp(2rem, 3.1vw, 2.8rem);
  line-height: 1.08;
  margin: 0 0 0.6rem;
}

.au-sub {
  color: var(--muted);
  font-size: 1rem;
  margin: 0 0 2.1rem;
}

/* ==================== Status message ==================== */
/* Styled by id: account.js rewrites className to
   "form-message form-message-<type>" and sets display:block. */

#formMessage {
  display: none;
  margin: 0 0 1.5rem;
  padding: 0.85rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.55;
  border: var(--hairline);
  border-left: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper-dim);
  color: var(--ink);
  animation: none;
}

#formMessage.form-message-error {
  border-left-color: #a03123;
  background: #f6e9e5;
  color: #7c2418;
}

#formMessage.form-message-success {
  border-left-color: #2f6b52;
  background: #e9f0ea;
  color: #1f513f;
}

/* ==================== Google + divider ==================== */

.au-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.95rem 1.5rem;
  border: 1px solid rgba(20, 33, 61, 0.28);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 530;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  background: transparent;
  transition: border-color 0.3s ease, background-color 0.3s ease,
    transform 0.3s var(--ease-out);
}

.au-google:hover {
  border-color: var(--ink);
  background: rgba(20, 33, 61, 0.04);
  transform: translateY(-1px);
}

.au-divider {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin: 1.7rem 0;
  color: var(--muted);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
}

.au-divider::before,
.au-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(20, 33, 61, 0.14);
}

/* ==================== Fields ==================== */
/* Deliberately NOT .form-group - those are the boxed legacy
   inputs; these are open underline fields. */

.au-field {
  position: relative;
  display: flex;
  flex-direction: column;
  border-bottom: var(--hairline);
  margin-bottom: 1.9rem;
  transition: border-color 0.3s ease;
}

/* focus line: draws left→right in terracotta */
.au-field::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--terracotta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}

.au-field:focus-within::after {
  transform: scaleX(1);
}

.au-field label {
  font-size: 0.8125rem;
  font-weight: 560;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  transition: color 0.3s ease;
}

.au-field:focus-within label {
  color: var(--terracotta);
}

.au-field input {
  border: none;
  background: transparent;
  padding: 0.5rem 0 0.8rem;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--ink);
  border-radius: 0;
}

/* the animated underline is the focus indicator here */
.au-field input:focus,
.au-field input:focus-visible {
  outline: none;
}

.au-field input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 60px var(--paper) inset;
  -webkit-text-fill-color: var(--ink);
  caret-color: var(--ink);
}

.au-hint {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted);
  margin: -1.35rem 0 1.9rem;
}

/* ==================== Submit + foot ==================== */

.au-submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.4rem;
}

.au-submit[disabled] {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.au-foot {
  text-align: center;
  color: var(--muted);
  font-size: 0.9375rem;
  margin: 2.2rem 0 0;
  padding-top: 1.5rem;
  border-top: var(--hairline);
}

.au-foot a {
  color: var(--terracotta);
  font-weight: 530;
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 85, 31, 0.35);
  padding-bottom: 0.1rem;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.au-foot a:hover {
  color: var(--terracotta-deep);
  border-bottom-color: var(--terracotta-deep);
}

/* ==================== Responsive ==================== */

@media (max-width: 880px) {
  .au-shell {
    grid-template-columns: 1fr;
  }

  .au-scene {
    position: relative;
    top: auto;
    height: auto;
    min-height: 38vh;
    min-height: 38svh;
    justify-content: space-between;
  }

  .au-statement {
    font-size: clamp(1.9rem, 7.5vw, 2.6rem);
    max-width: 14ch;
  }

  .au-scene-meta {
    display: none;
  }

  .au-pane {
    padding-top: 3.5rem;
    padding-bottom: 4rem;
  }

  .au-back {
    top: 1.1rem;
    right: var(--gutter);
  }
}

/* ==================== Reduced motion ==================== */

@media (prefers-reduced-motion: reduce) {
  html.js .au-statement {
    animation: none;
  }

  .au-field::after {
    transition: none;
  }

  .au-google:hover,
  .au-submit:hover {
    transform: none;
  }
}