/* =========================================================
   CUBERST — Auth page
   Extends style.css tokens. Same voice: terminal/system-boot,
   deep navy-black, cyan→violet signature gradient.
   ========================================================= */

.auth-body {
  min-height: 100vh;
}

.auth-main {
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  position: relative;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  position: relative;
  z-index: 1;
}

.auth-eyebrow {
  display: block;
  color: var(--accent-cyan);
  font-size: 0.78rem;
  margin-bottom: 14px;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.auth-subline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 28px;
}

/* ---------------------------------------------------------
   OAuth buttons
   --------------------------------------------------------- */

.oauth-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.oauth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.oauth-btn:hover {
  border-color: var(--border-hover);
  background: #1C2330;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--text-tertiary);
  font-size: 0.75rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

/* ---------------------------------------------------------
   Email/password form
   --------------------------------------------------------- */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.auth-label {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.auth-input {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-primary);
  font-size: 0.88rem;
  transition: border-color 0.2s var(--ease-out);
}

.auth-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.auth-input::placeholder {
  color: var(--text-tertiary);
}

.auth-submit {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

.auth-hint {
  min-height: 18px;
  font-size: 0.76rem;
  color: var(--text-tertiary);
  text-align: center;
}

.auth-hint.success { color: var(--accent-green); }
.auth-hint.error { color: var(--accent-red); }

/* ---------------------------------------------------------
   Mode switch (sign in ⇄ sign up)
   --------------------------------------------------------- */

.auth-switch {
  text-align: center;
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.auth-switch-btn {
  background: none;
  border: none;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  margin-left: 6px;
  padding: 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease-out);
}

.auth-switch-btn:hover {
  border-color: var(--accent-cyan);
}

/* ---------------------------------------------------------
   Avatar upload — same interaction pattern as .logo-upload in
   submit.css (hidden native file input, triggered via a
   styled <label>), but circular to match every other avatar
   surface on the site (.user-avatar, .pd-comment-avatar).
   --------------------------------------------------------- */

.avatar-upload {
  display: flex;
  align-items: center;
  gap: 18px;
}

.avatar-preview {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  flex-shrink: 0;
  background-color: var(--bg-base);
  background-size: cover;
  background-position: center;
  border: 1px dashed var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.avatar-preview.has-image {
  border-style: solid;
  border-color: var(--border-subtle);
}

.avatar-preview-initial {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient-signature);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.avatar-upload-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.avatar-upload-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.avatar-upload-btn {
  display: inline-block;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s var(--ease-out);
  width: fit-content;
}

.avatar-upload-btn:hover {
  border-color: var(--border-hover);
}

.avatar-remove-btn {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 8px 4px;
  transition: color 0.2s var(--ease-out);
}

.avatar-remove-btn:hover {
  color: var(--accent-red);
}

.avatar-upload-hint {
  font-size: 0.68rem;
  color: var(--text-tertiary);
}

@media (max-width: 480px) {
  .auth-card {
    padding: 32px 24px;
  }
  .auth-title {
    font-size: 1.4rem;
  }
}

/* ---------------------------------------------------------
   Profile form spacing
   --------------------------------------------------------- */

.profile-form {
  margin-top: 24px;
}

/* ---------------------------------------------------------
   Danger Zone
   --------------------------------------------------------- */

.danger-zone {
  margin-top: 48px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
}

.danger-zone-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-red);
  margin-bottom: 8px;
}

.danger-zone-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.delete-confirmation {
  margin-bottom: 16px;
}

.delete-confirmation-text {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-red);
  margin-bottom: 10px;
}

.delete-confirmation-row {
  display: flex;
  gap: 10px;
}

.danger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(244, 92, 92, 0.1);
  border: 1px solid rgba(244, 92, 92, 0.3);
  color: var(--accent-red);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.danger-btn:hover {
  background: rgba(244, 92, 92, 0.16);
  border-color: rgba(244, 92, 92, 0.5);
}

.delete-confirmation-row .danger-btn {
  flex: 1;
}

.danger-btn-solid {
  background: rgba(244, 92, 92, 0.22);
  border-color: rgba(244, 92, 92, 0.5);
}

.danger-btn-solid:hover {
  background: rgba(244, 92, 92, 0.32);
}

.danger-btn-ghost {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.danger-btn-ghost:hover {
  background: var(--bg-surface-raised);
  border-color: var(--border-hover);
  color: var(--text-primary);
}