/* ==========================================================================
   Draftzenn — auth pages (signup / login)
   ========================================================================== */

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

/* ---- Brand panel -------------------------------------------------- */

.auth-brand {
  background: var(--ink);
  color: var(--paper);
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.auth-brand-top .brand {
  color: var(--paper);
}

.auth-brand-top .brand-mark {
  color: var(--paper);
}

.auth-quote {
  max-width: 30ch;
  opacity: 0;
  transform: translateY(10px);
  animation: quote-in 800ms 150ms var(--ease) forwards;
}

@keyframes quote-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-quote p {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.35;
  font-style: italic;
  color: var(--paper);
}

.auth-quote cite {
  display: block;
  margin-top: 16px;
  font-style: normal;
  font-size: 14px;
  color: rgba(236, 234, 227, 0.6);
}

.auth-brand-back {
  font-size: 14px;
  color: rgba(236, 234, 227, 0.7);
}

.auth-brand-back a {
  color: var(--paper);
  border-bottom: 1px solid rgba(236, 234, 227, 0.4);
}

.auth-brand-back a:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---- Form panel ----------------------------------------------------- */

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
}

.auth-form-wrap {
  width: 100%;
  max-width: 400px;
  opacity: 0;
  transform: translateY(10px);
  animation: form-in 700ms 100ms var(--ease) forwards;
}

@keyframes form-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-mobile-brand {
  display: none;
}

.auth-form-wrap h1 {
  font-size: 30px;
}

.auth-form-wrap .auth-subhead {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 15.5px;
}

.auth-form {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.field-input-row {
  position: relative;
  display: flex;
  align-items: center;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.field input::placeholder {
  color: var(--ink-faint);
}

.field input:focus {
  outline: none;
  border-color: var(--pine);
  box-shadow: 0 0 0 3px var(--pine-tint);
}

.field.has-error input {
  border-color: var(--error);
}

.field.has-error input:focus {
  box-shadow: 0 0 0 3px var(--error-tint);
}

.field input.has-toggle {
  padding-right: 44px;
}

.password-toggle {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
}

.password-toggle:hover {
  color: var(--ink-soft);
}

.password-toggle svg {
  width: 19px;
  height: 19px;
}

.password-toggle .icon-off {
  display: none;
}

.password-toggle.is-visible .icon-on {
  display: none;
}

.password-toggle.is-visible .icon-off {
  display: block;
}

.field-error {
  display: none;
  align-items: flex-start;
  gap: 6px;
  font-size: 13.5px;
  color: var(--error);
  line-height: 1.4;
}

.field.has-error .field-error {
  display: flex;
}

.field-error svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

.field-hint {
  font-size: 13px;
  color: var(--ink-faint);
}

.form-banner {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  background: var(--error-tint);
  border: 1px solid rgba(179, 69, 44, 0.25);
  color: var(--error);
  font-size: 14px;
  line-height: 1.5;
}

.form-banner.is-visible {
  display: flex;
}

.form-banner svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.form-banner.is-success {
  background: var(--pine-tint);
  border-color: rgba(47, 93, 80, 0.25);
  color: var(--pine-dark);
}

.auth-submit {
  margin-top: 4px;
}

.btn-spinner {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: var(--white);
  animation: spin 700ms linear infinite;
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-primary.is-loading .btn-spinner {
  display: inline-block;
}

.btn-primary.is-loading .btn-label {
  opacity: 0.85;
}

.auth-switch {
  margin-top: 26px;
  text-align: center;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.auth-switch a {
  font-weight: 500;
}

/* ---- Responsive ---------------------------------------------------- */

@media (max-width: 900px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-brand {
    display: none;
  }

  .auth-mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 36px;
  }

  .auth-panel {
    padding: 40px 24px 60px;
  }
}

@media (max-width: 420px) {
  .auth-panel {
    padding: 32px 18px 48px;
  }

  .auth-form-wrap h1 {
    font-size: 26px;
  }
}