/* ============================================================
   Atomify · v2 · chrome
   ------------------------------------------------------------
   Self-contained navbar, footer, mobile drawer, auth modal.
   Replaces the navbar styles previously in style.css.
   ============================================================ */

/* ─── 1 · Navbar shell ────────────────────────────────── */
.at-navbar {
  display: flex;
  align-items: center;
  height: 64px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.5rem;
  gap: 0;
  background: rgba(245, 241, 232, 0.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-body);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}
[data-theme="dark"] .at-navbar,
body.dark-mode .at-navbar {
  background: rgba(11, 18, 32, 0.82);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

/* ─── 2 · Brand ───────────────────────────────────────── */
.at-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  padding: 6px 10px;
  border-radius: var(--r-2);
  transition: background-color 150ms;
  margin-right: 1.25rem;
  color: var(--ink);
}
.at-brand:hover { background: var(--paper-tint); }
.at-brand-logo {
  width: 30px;
  height: 30px;
  border-radius: var(--r-2);
  object-fit: contain;
}
.at-brand-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.22rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* ─── 3 · Nav links ──────────────────────────────────── */
.at-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.at-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: var(--r-2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--ink-soft);
  transition: color 150ms, background-color 150ms;
  white-space: nowrap;
  line-height: 1;
  position: relative;
}
.at-nav-link svg { flex-shrink: 0; transition: transform 150ms; }
.at-nav-link:hover {
  background: var(--paper-tint);
  color: var(--ink);
}
.at-nav-link.active {
  color: var(--ink);
}
.at-nav-link.active::after {
  content: '';
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: -3px;
  height: 2px;
  background: var(--green-deep);
  border-radius: 1px;
}
[data-theme="dark"] .at-nav-link.active::after,
body.dark-mode .at-nav-link.active::after { background: var(--green); }
.at-nav-link.active svg { color: var(--green-deep); }
[data-theme="dark"] .at-nav-link.active svg,
body.dark-mode .at-nav-link.active svg { color: var(--green); }

/* Sub-dropdown (Izomeri → Bio) */
.at-nav-has-dropdown { position: relative; }
.at-nav-dropdown-btn {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: var(--r-2);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 150ms, background-color 150ms;
}
.at-nav-dropdown-btn:hover { background: var(--paper-tint); color: var(--ink); }
.at-nav-dropdown-btn.active { color: var(--ink); }

.at-sub-chevron {
  opacity: 0.5;
  transition: transform 200ms ease;
  flex-shrink: 0;
}
.at-nav-has-dropdown.open .at-sub-chevron { transform: rotate(180deg); opacity: 1; }

.at-nav-subdropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  list-style: none;
  margin: 0;
  padding: 6px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-lg);
  z-index: 500;
}
.at-nav-has-dropdown.open .at-nav-subdropdown { display: block; }
.at-nav-sublink {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--r-2);
  text-decoration: none;
  color: var(--ink);
  font-size: 0.875rem;
  transition: background-color 130ms;
  white-space: nowrap;
}
.at-nav-sublink:hover { background: var(--paper-tint); }
.at-nav-sublink.active { background: var(--green-tint); color: var(--green-deep); font-weight: 600; }
[data-theme="dark"] .at-nav-sublink.active,
body.dark-mode .at-nav-sublink.active { color: var(--green); }
.at-nav-sublink svg { opacity: 0.65; flex-shrink: 0; }

/* ─── 4 · Right-end controls ─────────────────────────── */
.at-nav-end {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-left: 1rem;
}

.at-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--r-2);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 150ms, color 150ms, border-color 150ms;
  line-height: 1;
  white-space: nowrap;
  font-family: var(--font-body);
}
.at-btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.at-btn-ghost:hover {
  background: var(--paper-tint);
  border-color: var(--ink-3);
}
.at-btn-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.at-btn-primary:hover {
  background: var(--green-deep);
  border-color: var(--green-deep);
}
[data-theme="dark"] .at-btn-primary,
body.dark-mode .at-btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #0B1220;
}
[data-theme="dark"] .at-btn-primary:hover,
body.dark-mode .at-btn-primary:hover {
  background: var(--green-bright);
  border-color: var(--green-bright);
}
.at-btn-full { width: 100%; justify-content: center; }
.at-auth-btns { display: flex; gap: 8px; align-items: center; }

/* ─── 5 · Theme toggle ───────────────────────────────── */
.at-theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
}
.at-theme-toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.at-theme-track {
  position: relative;
  width: 50px;
  height: 26px;
  border-radius: 13px;
  background: var(--paper-3);
  border: 1px solid var(--line-strong);
  transition: background-color 250ms, border-color 250ms;
  display: flex;
  align-items: center;
}
.at-theme-toggle input:checked + .at-theme-track {
  background: var(--green-tint);
  border-color: var(--green);
}
.at-theme-thumb {
  position: absolute;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform 250ms var(--ease-soft), background-color 250ms;
  z-index: 2;
}
.at-theme-toggle input:checked + .at-theme-track .at-theme-thumb {
  transform: translateX(24px);
  background: var(--green);
}
.at-theme-sun, .at-theme-moon {
  position: absolute;
  z-index: 1;
  color: var(--ink-muted);
  transition: opacity 200ms;
  pointer-events: none;
}
.at-theme-sun { left: 6px; }
.at-theme-moon { right: 6px; }
.at-theme-toggle input:checked + .at-theme-track .at-theme-sun { opacity: 0.3; }
.at-theme-toggle input:not(:checked) + .at-theme-track .at-theme-moon { opacity: 0.3; }

/* ─── 6 · User menu ──────────────────────────────────── */
.at-user-menu { position: relative; }
.at-user-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  cursor: pointer;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: background-color 150ms, border-color 150ms;
}
.at-user-trigger:hover {
  background: var(--paper-3);
  border-color: var(--line-strong);
}

.at-avatar {
  --at-avatar-hue: 230;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg,
    hsl(var(--at-avatar-hue), 65%, 50%) 0%,
    hsl(calc(var(--at-avatar-hue) + 40), 65%, 40%) 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0;
  flex-shrink: 0;
  transition: transform 180ms var(--ease-soft);
}
.at-user-trigger:hover .at-avatar { transform: scale(1.05); }
.at-avatar-lg { width: 36px; height: 36px; font-size: 0.85rem; }

.at-chevron {
  color: var(--ink-muted);
  transition: transform 200ms;
  flex-shrink: 0;
}
.at-user-trigger[aria-expanded="true"] .at-chevron { transform: rotate(180deg); }
.at-user-name {
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── 7 · Dropdown ───────────────────────────────────── */
.at-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  min-width: 240px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.97);
  transform-origin: top right;
  transition:
    opacity 180ms,
    visibility 0s linear 180ms,
    transform 180ms var(--ease-soft);
  overflow: hidden;
  z-index: 200;
}
.at-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition:
    opacity 180ms,
    visibility 0s,
    transform 180ms var(--ease-soft);
}
.at-dropdown-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.at-dropdown-headtext { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.at-dropdown-greeting {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.at-dropdown-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
  letter-spacing: -0.01em;
}
.at-dropdown-body { padding: 6px; }
.at-dropdown-footer { padding: 6px; border-top: 1px solid var(--line); }
.at-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-2);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: background-color 130ms, transform 120ms;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}
.at-dropdown-item:hover {
  background: var(--paper-tint);
  transform: translateX(2px);
}
.at-dropdown-item svg {
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 130ms;
}
.at-dropdown-item:hover svg { opacity: 1; }
.at-logout { color: var(--amber); }
.at-logout:hover {
  background: var(--amber-tint) !important;
  color: var(--amber-bright) !important;
}

/* ─── 8 · Hamburger + mobile drawer ─────────────────── */
.at-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  border-radius: var(--r-2);
  background: var(--paper-2);
  border: 1px solid var(--line);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  margin-left: 0.5rem;
  transition: background-color 150ms;
}
.at-hamburger:hover { background: var(--paper-3); }
.at-hamburger span {
  display: block;
  width: 16px;
  height: 1.5px;
  border-radius: 1px;
  background: var(--ink);
  transition: transform 250ms, opacity 200ms;
  transform-origin: center;
}
.at-hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.at-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.at-hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.at-mobile-drawer {
  display: none;
  position: fixed;
  inset: 64px 0 0 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  z-index: 999;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 220ms var(--ease-soft),
    opacity 220ms;
}
.at-mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
body.at-drawer-open { overflow: hidden; }

.at-mobile-links { list-style: none; margin: 0; padding: 12px; }
.at-mobile-links .at-nav-link {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.95rem;
  border-radius: var(--r-3);
  margin-bottom: 2px;
}
.at-mobile-auth {
  padding: 12px;
  border-top: 1px solid var(--line);
}
.at-mobile-auth-btns { display: flex; flex-direction: column; gap: 8px; }
.at-mobile-user { display: flex; flex-direction: column; gap: 4px; }
.at-mobile-user-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px 14px;
}
.at-mobile-username {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.at-mobile-link {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--r-3);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: background-color 120ms;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}
.at-mobile-link:hover { background: var(--paper-tint); }
.at-mobile-logout { color: var(--amber); }
.at-mobile-logout:hover { background: var(--amber-tint); }

@media (max-width: 900px) {
  .at-nav-links, .at-auth-btns, .at-user-menu { display: none; }
  .at-hamburger { display: flex; }
  .at-mobile-drawer { display: block; }
}

/* Auth flash-prevention from legacy navbar.css — keep behavior */
body:not(.at-auth-known) #authButtons,
body:not(.at-auth-known) #userInfo,
body:not(.at-auth-known) #mobileAuthButtons,
body:not(.at-auth-known) #mobileUserInfo {
  visibility: hidden !important;
}

/* ─── 9 · Footer ─────────────────────────────────────── */
.site-footer {
  background: transparent;
  border-top: 1px solid var(--line);
  margin-top: var(--s-10);
  padding: 0;
  color: var(--ink-soft);
  position: relative;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem 0;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.footer-lockup {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.footer-mark img { width: 32px; height: 32px; border-radius: var(--r-2); }
.footer-mark span {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.footer-tagline {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 32ch;
  margin: 0;
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-meta::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--line-strong);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1.1rem;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-col a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 150ms;
}
.footer-col a:hover { color: var(--green-deep); }
[data-theme="dark"] .footer-col a:hover,
body.dark-mode .footer-col a:hover { color: var(--green); }

.footer-col .contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--ink-2);
}
.footer-col .contact-item svg { opacity: 0.55; flex-shrink: 0; }

.footer-bottom {
  max-width: 1200px;
  margin: 4rem auto 0;
  padding: 1.5rem 2rem 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-credits {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin: 0;
}
.footer-credits .made-by {
  display: block;
  font-family: var(--font-body);
  letter-spacing: 0;
  font-size: 0.82rem;
  margin-top: 0.35rem;
  color: var(--ink-soft);
}
.footer-credits .made-by strong {
  color: var(--ink);
  font-weight: 500;
}
.footer-legal {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.footer-legal a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 150ms;
}
.footer-legal a:hover { color: var(--ink); }
.footer-legal .sep { color: var(--ink-muted); }
.footer-social {
  display: flex;
  gap: 0.5rem;
}
.footer-social a {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  color: var(--ink-soft);
  transition: color 150ms, border-color 150ms, background-color 150ms;
}
.footer-social a:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--paper-tint);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-lockup { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 1.25rem 0; }
  .footer-bottom { padding: 1.5rem 1.25rem 2rem; }
}

/* ─── 10 · Auth modal ──────────────────────────────── */
.auth-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 22, 34, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  overflow-y: auto;
}
.auth-modal[style*="block"] { display: flex !important; }

.auth-modal-content {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  padding: 2rem 2rem 1.75rem;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  font-family: var(--font-body);
  margin: auto;
}
.auth-close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink-muted);
  cursor: pointer;
  transition: color 150ms;
}
.auth-close:hover { color: var(--ink); }

.auth-form h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}
.form-group input {
  width: 100%;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: var(--r-2);
  padding: 0.7rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 150ms, box-shadow 150ms;
}
.form-group input:focus {
  border-color: var(--green-deep);
  box-shadow: var(--focus-ring);
}

.password-requirements { margin-top: 0.5rem; display: flex; flex-direction: column; gap: 0.2rem; }
.requirement {
  font-size: 0.78rem;
  font-family: var(--font-body);
  color: var(--ink-muted);
  transition: color 150ms;
}
.requirement.met { color: var(--green-deep); }
[data-theme="dark"] .requirement.met,
body.dark-mode .requirement.met { color: var(--green); }
.requirement .req-icon { display: inline-block; width: 14px; }
.requirement.met .req-icon::before { content: '✓'; }
.requirement.not-met .req-icon::before { content: '✗'; }

.auth-submit-btn {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: var(--r-2);
  padding: 0.85rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 180ms;
}
.auth-submit-btn:hover { background: var(--green-deep); }
[data-theme="dark"] .auth-submit-btn,
body.dark-mode .auth-submit-btn { background: var(--green); color: #0B1220; }
[data-theme="dark"] .auth-submit-btn:hover,
body.dark-mode .auth-submit-btn:hover { background: var(--green-bright); }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

.google-auth-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: var(--r-2);
  padding: 0.7rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 150ms, border-color 150ms;
}
.google-auth-btn:hover {
  background: var(--paper-3);
  border-color: var(--ink-3);
}

.auth-switch {
  margin: 1rem 0 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
  text-align: center;
}
.auth-switch a {
  color: var(--green-deep);
  text-decoration: none;
  font-weight: 500;
}
.auth-switch a:hover { text-decoration: underline; }
[data-theme="dark"] .auth-switch a,
body.dark-mode .auth-switch a { color: var(--green); }

.auth-message {
  display: none;
  margin-top: 1rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--r-2);
  font-size: 0.88rem;
  font-family: var(--font-body);
  border-left: 3px solid var(--amber);
  background: var(--amber-tint);
  color: var(--amber);
}
.auth-message.success {
  border-left-color: var(--green-deep);
  background: var(--green-tint);
  color: var(--green-deep);
}
[data-theme="dark"] .auth-message.success,
body.dark-mode .auth-message.success { color: var(--green); border-left-color: var(--green); }

/* ─── 11 · Badge-earned toast ────────────────────────── */
.at-badge-toast {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px 16px 16px;
  min-width: 280px;
  max-width: 380px;
  border-radius: var(--r-4);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  transform: translateX(120%);
  opacity: 0;
  transition:
    transform 350ms var(--ease-out),
    opacity 250ms ease;
  font-family: var(--font-body);
}
.at-badge-toast.show { transform: translateX(0); opacity: 1; }
.at-badge-toast-icon {
  font-size: 1.85rem;
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-3);
  background: var(--paper-2);
}
.at-badge-toast-text { flex: 1; min-width: 0; }
.at-badge-toast-title {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-bottom: 2px;
}
.at-badge-toast-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.at-badge-toast-desc {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.4;
  margin-bottom: 6px;
}
.at-badge-toast-points {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--green-deep);
  background: var(--green-tint);
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
[data-theme="dark"] .at-badge-toast-points,
body.dark-mode .at-badge-toast-points { color: var(--green); }
.at-badge-toast-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--ink-muted);
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: var(--r-1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 150ms, color 150ms;
}
.at-badge-toast-close:hover { background: var(--paper-tint); color: var(--ink); }

.at-badge-toast.rarity-uncommon  { border-color: var(--green-tint); }
.at-badge-toast.rarity-rare      { border-color: var(--cobalt-tint); }
.at-badge-toast.rarity-epic      { border-color: rgba(155, 89, 182, 0.3); }
.at-badge-toast.rarity-legendary {
  border-color: var(--amber-tint);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--amber-tint);
}

@media (max-width: 520px) {
  .at-badge-toast {
    right: 12px;
    left: 12px;
    bottom: 12px;
    min-width: 0;
    max-width: none;
  }
}