/* ============================================
   Clarity Footer — Cosolar Style
   适配 Clarity CSS 变量体系
   ============================================ */

/* ---- Container ---- */
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Footer Main Grid ---- */
.z-footer-cosolar {
  position: relative;
  overflow: hidden;
  background: var(--c-bg-card);
  border-top: none;
  padding: 48px 0 0;
  margin-top: 40px;
}

.z-footer-cosolar::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--footer-bg-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: var(--footer-bg-img-opacity, 0);
  z-index: 0;
  pointer-events: none;
}

:root.dark .z-footer-cosolar::before {
  background-image: var(--footer-bg-image-dark, var(--footer-bg-image));
  opacity: var(--footer-bg-img-opacity-dark, var(--footer-bg-img-opacity, 0));
}

.z-footer-cosolar > * {
  position: relative;
  z-index: 1;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1.8fr 1.1fr;
  gap: 32px 48px;
  padding-bottom: 32px;
}

/* ============================================
   Brand 品牌区
   ============================================ */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-text);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer-logo:hover {
  opacity: 0.85;
}

.footer-logo-image {
  object-fit: contain;
  border-radius: var(--radius-field, 8px);
  flex-shrink: 0;
}

.footer-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  box-shadow: 0 2px 8px color-mix(in srgb, var(--c-primary) 30%, transparent);
  flex-shrink: 0;
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.footer-logo-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--footer-social-color, var(--c-text));
  line-height: 1.2;
}

:root.dark .footer-logo-name {
  color: var(--footer-social-color-dark, var(--footer-social-color, var(--c-text)));
}

.footer-logo-tagline {
  font-size: 11px;
  font-weight: 500;
  color: var(--footer-social-color, var(--c-text-3));
  text-transform: uppercase;
  letter-spacing: 0.8px;
  line-height: 1.2;
}

:root.dark .footer-logo-tagline {
  color: var(--footer-social-color-dark, var(--footer-social-color, var(--c-text-3)));
}

.footer-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--footer-social-color, var(--c-text-2));
  margin: 0;
  max-width: 280px;
}

:root.dark .footer-desc {
  color: var(--footer-social-color-dark, var(--footer-social-color, var(--c-text-2)));
}

.footer-desc:empty {
  display: none;
}

/* ---- Social Icons ---- */
.footer-social {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--footer-social-color, var(--c-primary));
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  transition: all 0.2s ease;
  text-decoration: none;
}

.footer-social-link:hover {
  color: var(--footer-social-color, var(--c-primary));
  border-color: var(--footer-social-color, var(--c-primary));
  background: color-mix(in srgb, var(--footer-social-color, var(--c-primary)) 12%, transparent);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px color-mix(in srgb, var(--footer-social-color, var(--c-primary)) 18%, transparent);
}

:root.dark .footer-social-link {
  color: var(--footer-social-color-dark, var(--footer-social-color, var(--c-primary)));
}

:root.dark .footer-social-link:hover {
  color: var(--footer-social-color-dark, var(--footer-social-color, var(--c-primary)));
  border-color: var(--footer-social-color-dark, var(--footer-social-color, var(--c-primary)));
  background: color-mix(in srgb, var(--footer-social-color-dark, var(--footer-social-color, var(--c-primary))) 12%, transparent);
  box-shadow: 0 4px 10px color-mix(in srgb, var(--footer-social-color-dark, var(--footer-social-color, var(--c-primary))) 18%, transparent);
}

.footer-social-link.is-disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.footer-social-link svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.footer-social-link iconify-icon {
  width: 20px;
  height: 20px;
  font-size: 20px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   Middle: 网站统计
   ============================================ */
.footer-middle {
  min-width: 0;
}

.footer-profile-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.footer-stat-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 6px;
  border-radius: var(--radius-field, 8px);
  background: color-mix(in srgb, var(--c-primary) 4%, var(--c-bg-card));
  border: 1px solid var(--c-border-soft);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
  min-width: 0;
  text-align: center;
}

.footer-stat-cell:hover {
  border-color: color-mix(in srgb, var(--c-primary) 40%, var(--c-border));
  background: color-mix(in srgb, var(--c-primary) 10%, var(--c-bg-card));
  transform: translateY(-2px);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--c-primary) 15%, transparent);
}

.footer-stat-cell-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-selector, 6px);
  color: #fff;
  flex-shrink: 0;
}

.footer-stat-cell-icon svg {
  width: 14px;
  height: 14px;
}

.footer-stat-cell-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.footer-stat-cell-value-text {
  font-size: 12px;
  font-weight: 600;
}

.footer-stat-cell-label {
  font-size: 11px;
  color: var(--c-text-3);
  white-space: nowrap;
}

/* 统计图标配色 — 使用 Clarity 主色系 */
.footer-stat-icon-visit {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  box-shadow: 0 2px 6px rgba(6, 182, 212, 0.3);
}
.footer-stat-icon-like {
  background: linear-gradient(135deg, #ec4899, #be185d);
  box-shadow: 0 2px 6px rgba(236, 72, 153, 0.3);
}
.footer-stat-icon-comment {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  box-shadow: 0 2px 6px rgba(139, 92, 246, 0.3);
}
.footer-stat-icon-post {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  box-shadow: 0 2px 6px color-mix(in srgb, var(--c-primary) 30%, transparent);
}
.footer-stat-icon-category {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}
.footer-stat-icon-tag {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}
.footer-stat-icon-join {
  background: linear-gradient(135deg, #64748b, #475569);
  box-shadow: 0 2px 6px rgba(100, 116, 139, 0.3);
}
.footer-stat-icon-location {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.3);
}

/* ============================================
   Subscribe 订阅区
   ============================================ */
.footer-subscribe {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-subscribe-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin: 0;
}

.footer-subscribe-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 0;
}

.footer-subscribe-form {
  display: flex;
  gap: 8px;
}

.footer-input-wrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.footer-input-wrap svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--c-text-3);
  pointer-events: none;
  transition: color 0.2s ease;
}

.footer-input-wrap input {
  width: 100%;
  height: 40px;
  padding: 0 12px 0 36px;
  font-size: 13px;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-field, 8px);
  outline: none;
  transition: all 0.2s ease;
}

.footer-input-wrap input::placeholder {
  color: var(--c-text-3);
}

.footer-input-wrap input:focus {
  border-color: var(--c-primary);
  background: var(--c-bg-card);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary) 15%, transparent);
}

.footer-input-wrap:focus-within svg {
  color: var(--c-primary);
}

.footer-subscribe-btn {
  flex-shrink: 0;
  height: 40px;
  padding: 0 20px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--c-primary);
  border: none;
  border-radius: var(--radius-field, 8px);
  cursor: pointer;
  transition: all 0.2s ease;
}

.footer-subscribe-btn:hover {
  filter: brightness(0.9);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--c-primary) 35%, transparent);
}

/* ---- Legal Links ---- */
.footer-legal {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--c-text-3);
}

.footer-legal-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--c-text-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-legal-link:hover {
  color: var(--c-primary);
}

.footer-legal-link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ============================================
   Footer Bottom 底部栏
   ============================================ */
.footer-bottom {
  margin-top: 140px;
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

/* ---- Sponsor 服务商 ---- */
.footer-sponsor {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--c-text-3);
}

.footer-sponsor-brand {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-sponsor-brand a {
  color: var(--c-primary);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.footer-sponsor-brand a:hover {
  opacity: 0.8;
}

.footer-sponsor-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.footer-sponsor-icon-img {
  object-fit: contain;
  border-radius: 2px;
}

/* ---- Copyright ---- */
.footer-copy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 15px;
  color: var(--c-text-2);
}

.footer-copy-text {
  white-space: nowrap;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--c-text-3);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-badge:hover {
  color: var(--c-primary);
}

.footer-badge-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ---- Powered by ---- */
.footer-powered {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--c-text-3);
}

.footer-powered-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-powered-item a {
  color: var(--c-text-2);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-powered-item a:hover {
  color: var(--c-primary);
}

.footer-powered-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--c-primary);
}

.footer-powered-divider {
  width: 1px;
  height: 12px;
  background: var(--c-border);
  flex-shrink: 0;
}

/* ---- Footer Inject (Halo hook) ---- */
.footer-inject {
  width: 100%;
}

/* ============================================
   Responsive 响应式
   ============================================ */
@media (max-width: 960px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 28px 32px;
  }

  .footer-subscribe {
    grid-column: 1 / -1;
  }

  .footer-profile-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .z-footer-cosolar {
    padding: 32px 0 0;
    margin-top: 24px;
  }

  .footer-container {
    padding: 0 16px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 24px;
  }

  .footer-profile-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .footer-stat-cell {
    padding: 8px 4px;
    gap: 3px;
  }

  .footer-stat-cell-value {
    font-size: 14px;
  }

  .footer-stat-cell-label {
    font-size: 10px;
  }

  .footer-bottom {
    padding: 16px 0;
    gap: 10px;
  }

  .footer-subscribe-form {
    flex-direction: column;
  }

  .footer-subscribe-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .footer-profile-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}