/* ══════════════════════════════════════════════════════════════
   auth-ui.css  (ARCH-AUTH-001)
   Styles for: Sign-In button, Avatar dropdown, Auth modal,
               Sync prompt banner, Auth toast.
   Uses existing CSS variables from style.css / dashboard.css.
   ══════════════════════════════════════════════════════════════ */

/* ── Local Variable Defaults (fallback if not defined by theme) ── */
:root {
  --auth-primary:        #f59e0b;
  --auth-primary-hover:  #fbbf24;
  --auth-bg-card:        rgba(20, 15, 12, 0.92);
  --auth-border:         rgba(245, 158, 11, 0.18);
  --auth-text:           #fefaf6;
  --auth-text-muted:     #c4b89a;
  --auth-google-blue:    #4285F4;
  --auth-radius:         14px;
  --auth-radius-sm:      8px;
  --auth-shadow:         0 8px 40px rgba(0, 0, 0, 0.55);
  --auth-transition:     0.22s cubic-bezier(.4, 0, .2, 1);
}

/* ══════════════════════════════════════════════════════════════
   NAV SIGN-IN BUTTON (Guest state)
   ══════════════════════════════════════════════════════════════ */
.auth-nav-wrapper {
  display: flex;
  align-items: center;
  gap: 0;
}

.auth-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--auth-border);
  background: rgba(245, 158, 11, 0.07);
  color: var(--auth-text, #fefaf6);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font, 'Inter', sans-serif);
  cursor: pointer;
  transition: background var(--auth-transition),
              border-color var(--auth-transition),
              transform var(--auth-transition),
              box-shadow var(--auth-transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.auth-nav-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 100%);
  pointer-events: none;
}

.auth-nav-btn:hover,
.auth-nav-btn:focus-visible {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.45);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.18);
  outline: none;
}

.auth-nav-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ── Mobile: hide label text to save space ── */
@media (max-width: 500px) {
  .auth-nav-btn-label { display: none; }
}

/* ══════════════════════════════════════════════════════════════
   NAV AVATAR (Signed-in state)
   ══════════════════════════════════════════════════════════════ */
.auth-avatar-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-avatar-btn {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 2px;
  border-radius: 50%;
  border: 2px solid rgba(245, 158, 11, 0.5);
  background: transparent;
  cursor: pointer;
  transition: border-color var(--auth-transition), box-shadow var(--auth-transition);
  position: relative;
}

.auth-avatar-btn:hover,
.auth-avatar-btn:focus-visible {
  border-color: var(--auth-primary, #f59e0b);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
  outline: none;
}

.auth-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

/* Sync dot */
.auth-sync-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg, #0c0907);
  transition: background var(--auth-transition);
}
.auth-sync-dot--idle    { background: #10b981; }
.auth-sync-dot--syncing { background: #f59e0b; animation: authSyncPulse 1s ease-in-out infinite; }
.auth-sync-dot--error   { background: #ef4444; }

@keyframes authSyncPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ══════════════════════════════════════════════════════════════
   AVATAR DROPDOWN MENU
   ══════════════════════════════════════════════════════════════ */
.auth-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 250px;
  background: var(--auth-bg-card, rgba(20, 15, 12, 0.96));
  border: 1px solid var(--auth-border, rgba(245, 158, 11, 0.18));
  border-radius: var(--auth-radius, 14px);
  box-shadow: var(--auth-shadow, 0 8px 40px rgba(0,0,0,0.55));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 6px 0;
  z-index: 9999;
  opacity: 0;
  transform: translateY(-8px) scale(0.97);
  pointer-events: none;
  transition: opacity var(--auth-transition), transform var(--auth-transition);
}

.auth-dropdown--open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.auth-dropdown-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}

.auth-drop-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid rgba(245, 158, 11, 0.3);
}

.auth-drop-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.auth-drop-info strong {
  color: var(--auth-text, #fefaf6);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-drop-email {
  color: var(--auth-text-muted, #c4b89a);
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-dropdown-divider {
  height: 1px;
  background: var(--auth-border, rgba(245, 158, 11, 0.12));
  margin: 4px 0;
}

.auth-dropdown-sync-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  gap: 8px;
}

.auth-sync-label {
  font-size: 0.78rem;
  color: var(--auth-text-muted, #c4b89a);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-manual-sync-btn {
  font-size: 0.73rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.08);
  color: var(--auth-primary, #f59e0b);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--auth-transition), border-color var(--auth-transition);
}

.auth-manual-sync-btn:hover {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.5);
}

.auth-signout-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 16px;
  background: none;
  border: none;
  color: #ef4444;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--auth-transition);
  border-radius: 0 0 var(--auth-radius, 14px) var(--auth-radius, 14px);
}

.auth-signout-btn:hover {
  background: rgba(239, 68, 68, 0.08);
}

/* ══════════════════════════════════════════════════════════════
   AUTH MODAL
   ══════════════════════════════════════════════════════════════ */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.auth-modal-overlay.auth-modal--open {
  opacity: 1;
  pointer-events: all;
}

.auth-modal-box {
  position: relative;
  background: var(--auth-bg-card, rgba(18, 12, 8, 0.98));
  border: 1px solid var(--auth-border, rgba(245, 158, 11, 0.2));
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
  padding: 36px 32px 28px;
  width: 100%;
  max-width: 420px;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.32s cubic-bezier(.22,1,.36,1), opacity 0.28s ease;
  opacity: 0;
}

.auth-modal--open .auth-modal-box {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.auth-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--auth-text-muted, #c4b89a);
  font-size: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--auth-transition), color var(--auth-transition);
}

.auth-modal-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--auth-text, #fefaf6);
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 24px;
}

.auth-modal-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(245, 158, 11, 0.1);
  border: 1.5px solid rgba(245, 158, 11, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.auth-modal-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--auth-text, #fefaf6);
  margin-bottom: 6px;
  font-family: var(--font-alt, 'Outfit', sans-serif);
  letter-spacing: -0.02em;
}

.auth-modal-subtitle {
  font-size: 0.88rem;
  color: var(--auth-text-muted, #c4b89a);
  line-height: 1.5;
}

/* Google Sign-In Button */
.auth-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--auth-radius-sm, 10px);
  border: 1.5px solid rgba(255,255,255,0.12);
  background: #fff;
  color: #1f2937;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--auth-transition),
              border-color var(--auth-transition),
              box-shadow var(--auth-transition),
              transform var(--auth-transition);
  font-family: var(--font, 'Inter', sans-serif);
}

.auth-google-btn:hover:not(:disabled) {
  background: #f8f8f8;
  box-shadow: 0 4px 18px rgba(66, 133, 244, 0.2);
  transform: translateY(-1px);
}

.auth-google-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

.auth-google-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0;
  color: var(--auth-text-muted, #c4b89a);
  font-size: 0.78rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--auth-border, rgba(245, 158, 11, 0.15));
}

/* Email Magic Link */
.auth-email-label {
  display: block;
  font-size: 0.8rem;
  color: var(--auth-text-muted, #c4b89a);
  margin-bottom: 6px;
  font-weight: 500;
}

.auth-email-row {
  display: flex;
  gap: 8px;
}

.auth-email-input {
  flex: 1;
  padding: 10px 12px;
  border-radius: var(--auth-radius-sm, 10px);
  border: 1.5px solid var(--auth-border, rgba(245, 158, 11, 0.18));
  background: rgba(255,255,255,0.04);
  color: var(--auth-text, #fefaf6);
  font-size: 0.88rem;
  font-family: var(--font, 'Inter', sans-serif);
  transition: border-color var(--auth-transition), box-shadow var(--auth-transition);
  outline: none;
  min-width: 0;
}

.auth-email-input:focus {
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.auth-email-input[aria-invalid="true"] {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.auth-magic-btn {
  padding: 10px 16px;
  border-radius: var(--auth-radius-sm, 10px);
  border: none;
  background: var(--auth-primary, #f59e0b);
  color: #0c0907;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--auth-transition), transform var(--auth-transition);
}

.auth-magic-btn:hover:not(:disabled) {
  background: var(--auth-primary-hover, #fbbf24);
  transform: translateY(-1px);
}

.auth-magic-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-email-hint {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--auth-text-muted, #c4b89a);
}

/* Loading overlay inside modal */
.auth-modal--loading .auth-modal-body {
  opacity: 0.5;
  pointer-events: none;
}

/* Footer */
.auth-modal-footer {
  margin-top: 22px;
  text-align: center;
  border-top: 1px solid var(--auth-border, rgba(245, 158, 11, 0.1));
  padding-top: 16px;
}

.auth-optional-note {
  font-size: 0.78rem;
  color: var(--auth-text-muted, #c4b89a);
  line-height: 1.5;
  margin-bottom: 12px;
}

.auth-continue-guest-btn {
  background: none;
  border: none;
  color: var(--auth-primary, #f59e0b);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--auth-transition);
}

.auth-continue-guest-btn:hover {
  opacity: 0.7;
}

/* ══════════════════════════════════════════════════════════════
   SYNC PROMPT BANNER (Smart nudge)
   ══════════════════════════════════════════════════════════════ */
.auth-sync-banner {
  position: fixed;
  bottom: 80px;          /* Above mobile nav / FAB */
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 9000;
  max-width: 520px;
  width: calc(100% - 32px);
  background: var(--auth-bg-card, rgba(18, 12, 8, 0.97));
  border: 1px solid var(--auth-border, rgba(245, 158, 11, 0.22));
  border-radius: 16px;
  box-shadow: 0 12px 50px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(.22,1,.36,1);
}

.auth-sync-banner--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.auth-sync-banner-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  flex-wrap: wrap;
}

.auth-sync-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.auth-sync-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.auth-sync-text strong {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--auth-text, #fefaf6);
}

.auth-sync-text span {
  font-size: 0.78rem;
  color: var(--auth-text-muted, #c4b89a);
}

.auth-sync-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: none;
  background: var(--auth-primary, #f59e0b);
  color: #0c0907;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--auth-transition), transform var(--auth-transition);
}

.auth-sync-cta:hover {
  background: var(--auth-primary-hover, #fbbf24);
  transform: scale(1.02);
}

.auth-sync-dismiss {
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--auth-text-muted, #c4b89a);
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--auth-transition);
}

.auth-sync-dismiss:hover {
  background: rgba(255,255,255,0.05);
}

/* ══════════════════════════════════════════════════════════════
   AUTH TOAST
   ══════════════════════════════════════════════════════════════ */
.auth-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  z-index: 99999;
  background: rgba(18, 12, 8, 0.95);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--auth-text, #fefaf6);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s cubic-bezier(.22,1,.36,1);
  white-space: nowrap;
  max-width: calc(100vw - 40px);
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  .auth-modal-box {
    padding: 28px 20px 22px;
  }

  .auth-modal-title {
    font-size: 1.2rem;
  }

  .auth-email-row {
    flex-direction: column;
  }

  .auth-magic-btn {
    width: 100%;
  }

  .auth-sync-banner-inner {
    flex-wrap: wrap;
    gap: 8px;
  }

  .auth-sync-cta,
  .auth-sync-dismiss {
    flex: 1;
    justify-content: center;
    text-align: center;
  }
}