:root {
  color-scheme: light;
  --bg: #f1f4fb;
  --bg-strong: #e5ecfb;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #dbe4f0;
  --accent: #4f46e5;
  --accent-soft: #e5e7ff;
  --accent-strong: #312e81;
  --radius: 16px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a1020;
  --bg-strong: #111a31;
  --panel: #111a2d;
  --text: #e2e8f0;
  --muted: #93a3bc;
  --line: #24314a;
  --accent: #7c83ff;
  --accent-soft: #1a2240;
  --accent-strong: #d3d8ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 20% 0%, #f8faff 0%, var(--bg) 44%);
  color: var(--text);
}

html[data-theme="dark"] body {
  background: radial-gradient(circle at 20% 0%, #121936 0%, var(--bg) 40%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, #f8faff 80%, #fff);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, #fff);
}

html[data-theme="dark"] .topbar {
  background: color-mix(in srgb, #101935 88%, #0b1228);
}

.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 20px 16px;
  position: relative;
}

.topbar-actions {
  position: absolute;
  right: 20px;
  top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: 62%;
}

.header-link-btn {
  border: 1px solid color-mix(in srgb, var(--line) 85%, #fff);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 78%, #fff);
  color: var(--text);
  padding: 7px 12px;
  font-size: 12px;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

.header-link-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 60%, #fff);
  color: var(--accent);
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
}

.xhs-icon {
  background: #ff2442;
  color: #fff;
  width: auto;
  padding: 0 3px;
}

.wechat-icon {
  background: #07c160;
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
}

.btn-xhs {
  background: #fff2f4;
  border-color: #ff98a8;
  color: #b0122e;
}

.btn-wechat {
  background: #ecfff4;
  border-color: #8de4b2;
  color: #0f7a45;
}

.btn-red {
  background: #ff4d4f;
  border-color: #ff4d4f;
  color: #fff;
}

.btn-blue {
  background: #1677ff;
  border-color: #1677ff;
  color: #fff;
}

.btn-red:hover,
.btn-blue:hover {
  color: #fff;
  filter: brightness(0.93);
}

.wechat-qr-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 160px;
  padding: 8px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--line) 88%, #fff);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.18);
  z-index: 70;
}

.wechat-qr-popover img {
  width: 100%;
  display: block;
  border-radius: 8px;
}

html[data-theme="dark"] .wechat-qr-popover {
  background: #111a2d;
}

.theme-btn {
  border: 1px solid #94a3b8;
  border-radius: 999px;
  background: #e2e8f0;
  color: #334155;
  padding: 7px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.theme-btn:hover {
  border-color: #64748b;
  color: #0f172a;
}

.hero-kicker {
  margin: 0 0 4px;
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 32px);
  color: var(--text);
  font-weight: 760;
  letter-spacing: 0.01em;
}

.hero-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

#summary {
  margin: 0;
  color: var(--accent-strong);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  padding: 6px 10px;
  white-space: nowrap;
}

.summary-controls {
  margin: 14px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.controls input {
  width: min(100%, 560px);
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 14px;
  font-size: 14px;
  background: #fff;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.controls input:focus {
  border-color: color-mix(in srgb, var(--accent) 60%, #fff);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-soft) 70%, #fff);
}

.tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s ease;
}

.tag-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, #fff);
  color: var(--accent);
}

.tag-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 20px 32px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--line) 85%, #fff);
  background: linear-gradient(180deg, #fff 0%, #fcfdff 100%);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.11);
}

.skeleton-card {
  pointer-events: none;
}

.skeleton-image,
.skeleton-line {
  background: linear-gradient(90deg, #e8eef9 25%, #f3f6fd 50%, #e8eef9 75%);
  background-size: 320% 100%;
  animation: shimmer 1.3s infinite;
}

html[data-theme="dark"] .skeleton-image,
html[data-theme="dark"] .skeleton-line {
  background: linear-gradient(90deg, #1a2843 25%, #223150 50%, #1a2843 75%);
  background-size: 320% 100%;
}

.skeleton-image {
  height: 208px;
}

.skeleton-line {
  height: 12px;
  border-radius: 999px;
  margin-bottom: 9px;
}

.skeleton-line.w-100 {
  width: 100%;
}

.skeleton-line.w-92 {
  width: 92%;
}

.skeleton-line.w-80 {
  width: 80%;
}

.skeleton-line.w-40 {
  width: 40%;
}

.image-wrap {
  position: relative;
  height: 208px;
  background: linear-gradient(140deg, #dbeafe 0%, #ddd6fe 100%);
}

.preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.52);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.image-wrap:hover .overlay {
  opacity: 1;
}

.zoom-btn {
  position: absolute;
  right: 10px;
  bottom: 10px;
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  color: #fff;
  background: rgba(15, 23, 42, 0.74);
  cursor: pointer;
  z-index: 3;
  transition: transform 0.2s ease, background 0.2s ease;
}

.zoom-btn:hover {
  transform: translateY(-1px);
  background: rgba(15, 23, 42, 0.9);
}

.copy-btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
  color: #fff;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(79, 70, 229, 0.35);
}

.content {
  padding: 14px 14px 15px;
}

.title {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
  color: var(--text);
  font-weight: 700;
}

.meta {
  margin: 8px 0;
  color: var(--muted);
  font-size: 12px;
}

.prompt {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: #1f2937;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.detail-btn {
  margin-top: 10px;
  border: 1px solid color-mix(in srgb, var(--line) 85%, #fff);
  border-radius: 10px;
  padding: 7px 10px;
  font-size: 12px;
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 85%, #fff);
  cursor: pointer;
}

.detail-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 58%, #fff);
  color: var(--accent);
}

.empty-state {
  grid-column: 1 / -1;
  min-height: 220px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 82%, #f6f8ff);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 14px;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(15, 23, 42, 0.84);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.image-modal[hidden] {
  display: none;
}

.modal-image {
  max-width: min(1200px, 92vw);
  max-height: 88vh;
  border-radius: 12px;
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.45);
  position: relative;
  z-index: 1;
}

.image-modal.compact-modal .modal-image {
  max-width: min(360px, 78vw);
  max-height: 72vh;
  object-fit: contain;
}

.close-modal-btn {
  position: fixed;
  right: 20px;
  top: 20px;
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  color: #fff;
  background: rgba(17, 24, 39, 0.8);
  cursor: pointer;
  z-index: 3;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 130;
  background: rgba(2, 6, 23, 0.46);
}

.detail-drawer {
  position: fixed;
  right: 0;
  top: 0;
  z-index: 131;
  width: min(560px, 96vw);
  height: 100vh;
  overflow-y: auto;
  padding: 18px;
  background: color-mix(in srgb, var(--panel) 95%, #fff);
  border-left: 1px solid color-mix(in srgb, var(--line) 85%, #fff);
  box-shadow: -14px 0 36px rgba(15, 23, 42, 0.22);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.drawer-header h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--text);
  font-weight: 800;
}

.drawer-close-btn {
  border: 0;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 12px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  cursor: pointer;
}

.drawer-main-image-wrap {
  margin-top: 14px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  background: color-mix(in srgb, var(--bg-strong) 90%, #fff);
  min-height: 200px;
  display: grid;
  place-items: center;
}

.drawer-main-image {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  display: block;
}

.drawer-nav-btn {
  position: absolute;
  top: calc(50% - 16px);
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.62);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.drawer-nav-btn.prev {
  left: 10px;
}

.drawer-nav-btn.next {
  right: 10px;
}

.drawer-image-index {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.drawer-thumbs {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.drawer-thumb {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  width: 78px;
  height: 58px;
  flex: 0 0 auto;
  background: transparent;
  cursor: pointer;
}

.drawer-thumb.active {
  border-color: var(--accent);
}

.drawer-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.drawer-meta {
  margin: 12px 0;
  color: var(--muted);
  font-size: 12px;
}

.drawer-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 12px;
}

.drawer-action-btn {
  border: 1px solid color-mix(in srgb, var(--line) 84%, #fff);
  border-radius: 10px;
  padding: 7px 10px;
  font-size: 12px;
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 80%, #fff);
  cursor: pointer;
}

.drawer-action-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 60%, #fff);
  color: var(--accent);
}

.drawer-author-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.drawer-prompt {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 13px;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-strong) 75%, #fff);
  border: 1px solid color-mix(in srgb, var(--line) 80%, #fff);
  border-radius: 12px;
  padding: 12px;
}

@keyframes shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: 0 0;
  }
}

@media (max-width: 680px) {
  .topbar-inner {
    padding: 16px 14px 14px;
  }
  .topbar-actions {
    position: static;
    max-width: 100%;
    margin-top: 12px;
    justify-content: flex-start;
  }
  .summary-controls {
    margin: 12px 0;
    flex-direction: column;
    align-items: stretch;
  }
  .wechat-qr-popover {
    right: auto;
    left: 0;
    width: 150px;
  }
  main {
    padding: 16px 14px 24px;
  }
  .gallery {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .detail-drawer {
    width: 100vw;
    padding: 14px;
  }
}