/* ===== FOOTER (persistent module on all pages) ===== */

.footer {
  background-color: var(--bg-primary);
  padding: 20px;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  flex-shrink: 0;
  position: relative;
  width: 100%;
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-left { display: flex; }

.footer-left-group {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--filter-group-bg);
  border: 1px solid var(--filter-group-border);
  border-radius: 40px;
  padding: 7px;
  gap: 4px;
  flex-shrink: 0;
}

.footer-left-link {
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 14px;
  font-weight: normal;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 40px;
  padding: 5px 10px;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

@media (hover: hover) {
  .footer-left-link:hover {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-hover);
    color: var(--text-secondary);
  }
}

.footer-right { display: flex; }

.footer-right-group {
  display: flex;
  position: relative;
  margin: 0 4px;
  flex-wrap: nowrap;
  gap: 3px;
  background-color: var(--filter-group-bg);
  border: 1px solid var(--filter-group-border);
  border-radius: 40px;
  padding: 7px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
  cursor: pointer;
}

.footer-right-group.collapsed {
  width: 28px;
  border-radius: 50%;
  padding: 7px;
  justify-content: center;
}

.footer-right-group.collapsed .footer-socials-list {
  display: none !important;
}

.footer-socials-button {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  cursor: pointer;
  padding: 5px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

.footer-right-group.collapsed .footer-socials-button { width: 14px; height: 14px; }

.footer-logo-icon {
  width: 17px;
  height: 17px;
  color: var(--icon-color);
  fill: var(--icon-color);
  opacity: 0.5;
  transition: opacity 0.2s;
}

@media (hover: hover) {
  .footer-socials-button:hover .footer-logo-icon { opacity: 0.75; }
  .footer-right-group.collapsed:hover { background-color: var(--bg-tertiary); border-color: var(--border-hover); }
}

.footer-socials-list {
  display: flex;
  flex-wrap: nowrap;
  gap: 4px;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.footer-socials-list.hidden {
  display: none;
}

.footer-socials-list:not(.hidden) {
  padding-left: 3px;
  padding-right: 3px;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  width: 22px;
  opacity: 0.5;
  transition: opacity 0.2s;
  padding: 3px;
}

.footer-social svg { width: 100%; height: 100%; color: var(--icon-color); fill: var(--icon-color); }

@media (hover: hover) {
  .footer-social:hover { opacity: 1; }
}

.footer-meta-note {
  text-align: center;
  font-size: 11px;
  color: var(--text-tertiary);
  margin: 10px 0 0;
  padding: 0 20px;
  opacity: 0.6;
}

@media (max-width: 1024px) {
  .footer { padding-bottom: clamp(3.75rem, 3.5rem + 1vw, 4.25rem); }
}

@media (max-width: 550px) {
  .footer-left-group { flex-wrap: wrap; justify-content: center; flex-shrink: 1; }
}

@media (max-width: 413px) {
  .footer-content { flex-direction: column; text-align: center; }
  .footer-right { justify-content: center; }
}

/* ===== SPINNER ===== */
.spinner {
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--brand-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spinnerRotate 1s linear infinite;
  margin: 20px auto;
}

html[data-theme="light"] .spinner { border-color: rgba(0, 0, 0, 0.1); border-top-color: var(--brand-primary); }

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