/* Auth — sessions + passwords. Split-canvas layout. */

.auth {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  background: var(--color-bone);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.auth > * { min-width: 0; }

.auth__stage {
  position: relative;
  overflow: hidden;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(46, 111, 112, 0.10), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(92, 116, 87, 0.08), transparent 55%),
    var(--color-bone);
  border-right: 1px solid var(--color-bone-deep);
}

.auth__stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  background-size: 220px 220px;
  opacity: 0.5;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.auth__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
  z-index: 2;
}

.auth__mark {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-cream);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-variation-settings: "opsz" 48, "SOFT" 80, "WONK" 1;
  font-weight: 500;
  font-size: 1.15rem;
}

.auth__brand-name {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 24, "SOFT" 50, "WONK" 0;
  font-weight: 500;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.auth__poetry {
  position: relative;
  z-index: 2;
  max-width: 32rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.auth__quote {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  font-weight: 300;
  font-size: clamp(2.5rem, 4.4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
  max-width: 100%;
}

.auth__quote em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 400;
}

.auth__quote-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-graphite);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
}

.auth__quote-line {
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--color-stone);
}

.auth__signature {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-ink-soft);
}

.auth__cards {
  position: absolute;
  right: -1.5rem;
  bottom: 8rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 2;
  pointer-events: none;
}

.auth__card {
  background: var(--color-cream);
  border: 1px solid var(--color-bone-deep);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  width: 14rem;
  box-shadow: var(--box-shadow-card);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: rotate(-2.5deg);
}

.auth__card:nth-child(2) { transform: translateX(-1.5rem) rotate(2deg); }
.auth__card:nth-child(3) { transform: rotate(-0.8deg); }

.auth__card-bullet {
  width: 1rem;
  height: 1rem;
  border: 1.5px solid var(--color-mist);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}

.auth__card--done .auth__card-bullet {
  background: var(--color-sage);
  border-color: var(--color-sage);
}

.auth__card--done .auth__card-bullet::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23FBF8F2' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><path d='M3.5 8.5l2.5 2.5 6.5-6'/></svg>") center/70% no-repeat;
}

.auth__card-text {
  font-size: 0.78rem;
  color: var(--color-ink-soft);
  letter-spacing: -0.005em;
}

.auth__card--done .auth__card-text {
  color: var(--color-graphite);
  text-decoration: line-through;
  text-decoration-color: var(--color-stone);
}

.auth__time {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--color-stone);
  margin-left: auto;
  letter-spacing: 0.04em;
}

.auth__foot {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-graphite);
}

.auth__foot-divider {
  width: 1px;
  height: 0.875rem;
  background: var(--color-stone);
  opacity: 0.5;
}

/* ─── Form side ─── */
.auth__form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  background: var(--color-cream);
}

.auth__form-card {
  width: 100%;
  max-width: 26rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.auth__form-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.auth__form-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: max-content;
}

.auth__form-eyebrow::before {
  content: "";
  display: block;
  width: 1.25rem;
  height: 1px;
  background: var(--color-accent);
}

.auth__form-title {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 96, "SOFT" 80, "WONK" 1;
  font-weight: 300;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
  color: var(--color-ink);
  overflow-wrap: break-word;
  max-width: 100%;
}

.auth__form-title em {
  font-style: italic;
  color: var(--color-accent);
}

.auth__form-sub {
  color: var(--color-graphite);
  font-size: 0.9rem;
  line-height: 1.55;
  max-width: 22rem;
}

.auth__flash {
  padding: 0.75rem 0.875rem;
  border-radius: var(--border-radius-base);
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid;
}

.auth__flash--alert {
  background: var(--color-accent-tint);
  border-color: var(--color-accent-soft);
  color: var(--color-accent-deep);
}

.auth__flash--notice {
  background: var(--color-sage-tint);
  border-color: var(--color-sage);
  color: var(--color-sage-deep);
}

.auth__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.auth__field label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-graphite);
  font-weight: var(--font-weight-medium);
}

.auth__input {
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--color-mist);
  border-radius: 0;
  padding: 0.625rem 0;
  font-size: 1rem;
  color: var(--color-ink);
  transition: border-color var(--transition-base), padding var(--transition-base);
}

.auth__input:hover {
  border-color: var(--color-stone);
}

.auth__input:focus {
  border-color: var(--color-ink);
  background: transparent;
  box-shadow: none;
  outline: none;
}

.auth__submit {
  margin-top: 0.5rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.25rem;
  background: var(--color-ink);
  color: var(--color-cream);
  border: 1px solid var(--color-ink);
  border-radius: var(--border-radius-base);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.005em;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 0.9rem;
}

.auth__submit::after {
  content: "→";
  margin-left: 0.125rem;
  transition: transform var(--transition-base);
}

.auth__submit:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.auth__submit:hover::after {
  transform: translateX(3px);
}

.auth__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-graphite);
}

.auth__links > * { min-width: 0; }

.auth__links a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-mist);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--transition-base);
}

.auth__links a:hover {
  text-decoration-color: var(--color-accent);
  color: var(--color-accent-deep);
}

@media (max-width: 64rem) {
  .auth {
    grid-template-columns: 1fr;
  }
  .auth__stage {
    min-height: 18rem;
    padding: 1.75rem;
    border-right: none;
    border-bottom: 1px solid var(--color-bone-deep);
  }
  .auth__quote {
    font-size: clamp(2rem, 6vw, 2.75rem);
  }
  .auth__cards {
    display: none;
  }
}

@media (max-width: 48rem) {
  .auth {
    grid-template-rows: auto 1fr;
    min-height: 100dvh;
  }
  .auth__stage {
    min-height: 0;
    padding: 1.5rem 1.25rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    justify-content: flex-start;
  }
  .auth__poetry {
    gap: 1.25rem;
  }
  .auth__quote {
    font-size: clamp(1.625rem, 7vw, 2rem);
  }
  .auth__quote-meta { gap: 0.5rem; }
  .auth__quote-line { width: 1.5rem; }
  .auth__signature { font-size: 0.78rem; }
  .auth__foot { display: none; }

  .auth__form-wrap {
    padding: 1.75rem 1.25rem 2.5rem;
  }
  .auth__form-card {
    gap: 1.5rem;
  }
  .auth__form-title {
    font-size: clamp(1.625rem, 7vw, 2rem);
  }
  .auth__form-sub {
    font-size: 0.875rem;
  }
}

@media (max-width: 30rem) {
  .auth__stage {
    padding: 1.25rem 1rem 1.5rem;
  }
  .auth__form-wrap {
    padding: 1.5rem 1rem 2.5rem;
  }
  .auth__quote {
    font-size: 1.5rem;
  }
  .auth__links .mono { display: none; }
}

/* Stagger reveal */
.auth__form-card > * {
  opacity: 0;
  transform: translateY(8px);
  animation: auth-rise 600ms cubic-bezier(0.32, 0.72, 0.18, 1) forwards;
}
.auth__form-card > *:nth-child(1) { animation-delay: 80ms; }
.auth__form-card > *:nth-child(2) { animation-delay: 160ms; }
.auth__form-card > *:nth-child(3) { animation-delay: 240ms; }
.auth__form-card > *:nth-child(4) { animation-delay: 320ms; }
.auth__form-card > *:nth-child(5) { animation-delay: 400ms; }

.auth__poetry > * {
  opacity: 0;
  transform: translateY(8px);
  animation: auth-rise 700ms cubic-bezier(0.32, 0.72, 0.18, 1) forwards;
}
.auth__poetry > *:nth-child(1) { animation-delay: 120ms; }
.auth__poetry > *:nth-child(2) { animation-delay: 240ms; }

.auth__card {
  opacity: 0;
  animation: auth-card-in 700ms cubic-bezier(0.32, 0.72, 0.18, 1) forwards;
}
.auth__card:nth-child(1) { animation-delay: 500ms; }
.auth__card:nth-child(2) { animation-delay: 620ms; }
.auth__card:nth-child(3) { animation-delay: 740ms; }

@keyframes auth-rise {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes auth-card-in {
  to { opacity: 1; }
}