/* ==========================================================================
   唯一入口页：区块隔离 + 公开 Landing 样式
   - 复用 style.css 的设计变量与按钮/图标样式；
   - 所有选择器都在 #landing-view 下，避免影响同页的管理界面；
   - 管理界面样式仍全部来自 style.css。
   ========================================================================== */

#landing-view[hidden],
#admin-view[hidden] {
  display: none !important;
}

/* 按钮类自带 display，需要显式让 [hidden] 生效 */
#landing-view [hidden] {
  display: none !important;
}

#landing-view {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#landing-view .landing-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

#landing-view .landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-weight: 700;
}

#landing-view .landing-brand:hover {
  color: var(--text-primary);
}

#landing-view .landing-brand:hover .brand-icon {
  transform: scale(1.06) rotate(-2deg);
}

#landing-view .landing-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

#landing-view .landing-main {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 56px 28px 72px;
  flex: 1;
}

/* Hero ------------------------------------------------------------------ */
#landing-view .landing-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "eyebrow meta"
    "title actions"
    "subtitle actions";
  column-gap: 40px;
  align-items: start;
  margin-bottom: 44px;
  padding: 34px 34px 30px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 12% 0%, var(--accent-subtle) 0%, transparent 55%),
    var(--bg-card);
  overflow: hidden;
}

#landing-view .landing-eyebrow {
  grid-area: eyebrow;
}

#landing-view .landing-title {
  grid-area: title;
}

#landing-view .landing-subtitle {
  grid-area: subtitle;
}

#landing-view .landing-hero-meta {
  grid-area: meta;
  justify-self: end;
  margin-top: 0;
}

#landing-view .landing-hero-actions {
  grid-area: actions;
  justify-self: end;
  align-self: end;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  margin-top: 0;
}

#landing-view .landing-eyebrow {
  margin-bottom: 12px;
  color: var(--accent-light);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

#landing-view .landing-title {
  margin-bottom: 12px;
  font-size: clamp(32px, 5.4vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.045em;
  background: linear-gradient(135deg, var(--text-primary) 25%, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#landing-view .landing-subtitle {
  max-width: 620px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

#landing-view .landing-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 20px;
}

#landing-view .landing-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 20px;
  margin: 0;
  padding: 5px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 12px;
}

#landing-view .landing-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
}

#landing-view .landing-status[data-kind="ok"] {
  border-color: var(--success-bg);
  background: var(--success-bg);
  color: var(--success);
}

#landing-view .landing-status[data-kind="error"] {
  border-color: var(--danger-bg);
  background: var(--danger-bg);
  color: var(--danger);
}

#landing-view .landing-count {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

#landing-view .landing-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

#landing-view .landing-hero-hint {
  color: var(--text-muted);
  font-size: 12px;
  text-align: right;
}

/* Gallery --------------------------------------------------------------- */
#landing-view .landing-gallery {
  border-top: 1px solid var(--border-subtle);
  padding-top: 26px;
}

#landing-view .landing-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

#landing-view .landing-section-header h2 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

#landing-view .landing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(188px, 1fr));
  gap: 16px;
}

#landing-view .landing-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text-primary);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

#landing-view .landing-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

#landing-view .landing-card-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-secondary);
}

#landing-view .landing-card-preview.is-loading {
  background-image: linear-gradient(100deg, transparent 20%, var(--skeleton-shine) 40%, transparent 60%);
  background-size: 220% 100%;
  animation: landing-shimmer 1.4s ease-in-out infinite;
}

#landing-view .landing-card-preview.is-loaded {
  animation: none;
  background-image: none;
}

@keyframes landing-shimmer {
  from { background-position: 140% 0; }
  to { background-position: -40% 0; }
}

#landing-view .landing-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

#landing-view .landing-card-preview.is-loading img {
  opacity: 0;
}

#landing-view .landing-card:hover .landing-card-preview img {
  transform: scale(1.04);
}

#landing-view .landing-card-fallback {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

#landing-view .landing-card-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 10px 12px 12px;
}

#landing-view .landing-card-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 600;
}

#landing-view .landing-card-meta {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 11px;
}

/* Empty / error state --------------------------------------------------- */
#landing-view .landing-empty {
  padding: 54px 20px;
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-secondary);
}

#landing-view .landing-empty p + p {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 12px;
}

#landing-view .landing-empty .btn {
  margin-top: 18px;
}

/* Footer ---------------------------------------------------------------- */
#landing-view .landing-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 20px 28px 28px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 12px;
}

#landing-view .landing-footer-brand {
  font-weight: 600;
  letter-spacing: 0.02em;
}

#landing-view .landing-footer-links {
  color: var(--text-muted);
  font-size: 12px;
}

#landing-view .landing-footer-links code {
  padding: 2px 6px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
}

@media (max-width: 900px) {
  #landing-view .landing-hero {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "eyebrow"
      "title"
      "subtitle"
      "meta"
      "actions";
    row-gap: 18px;
  }

  #landing-view .landing-hero-meta,
  #landing-view .landing-hero-actions {
    justify-self: start;
  }

  #landing-view .landing-hero-actions {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
  }

  #landing-view .landing-hero-hint {
    text-align: left;
  }
}

@media (max-width: 640px) {
  #landing-view .landing-nav {
    padding: 0 16px;
  }

  #landing-view .landing-main {
    padding: 32px 16px 52px;
  }

  #landing-view .landing-hero {
    padding: 26px 20px 24px;
    border-radius: var(--radius-lg);
  }

  #landing-view .landing-grid {
    grid-template-columns: repeat(auto-fill, minmax(142px, 1fr));
    gap: 10px;
  }

  #landing-view .landing-footer {
    padding: 18px 16px 24px;
  }
}