/* ========================================
   游戏美术作品集 — 黑暗主题
   ======================================== */

:root {
  --bg: #0a0a0a;
  --bg-alt: #111;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --text-dim: #888;
  --accent: #f04e4e;
  --accent-glow: rgba(240, 78, 78, 0.3);
  --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

/* ---- 导航 ---- */
.nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 56px;
}
.nav-logo {
  font-size: 22px; font-weight: 800; color: var(--accent); text-decoration: none; letter-spacing: 2px;
}
.nav-links { list-style: none; display: flex; gap: 32px; }
.nav-links a {
  color: var(--text-dim); text-decoration: none; font-size: 14px; transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }

/* ---- 首屏 ---- */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 120px 24px 80px;
  background: radial-gradient(ellipse at center, #1a1a1a 0%, var(--bg) 70%);
}
.hero-name { font-size: clamp(48px, 8vw, 96px); font-weight: 900; letter-spacing: 8px; color: #fff; }
.hero-title { font-size: clamp(18px, 3vw, 28px); color: var(--accent); margin-top: 8px; letter-spacing: 4px; }
.hero-desc { max-width: 600px; margin: 24px auto 0; color: var(--text-dim); font-size: 15px; }
.hero-meta { margin-top: 16px; color: var(--text-dim); font-size: 13px; }

/* ---- 通用区块 ---- */
.section { max-width: 1200px; margin: 0 auto; padding: 100px 24px; }
.section-alt { background: var(--bg-alt); max-width: none; padding: 100px calc((100vw - 1200px) / 2 + 24px); }
.section-title { font-size: 28px; font-weight: 700; margin-bottom: 48px; position: relative; display: inline-block; }
.section-title::after {
  content: ''; position: absolute; bottom: -8px; left: 0; width: 40px; height: 3px; background: var(--accent); border-radius: 2px;
}

.bilibili-list-link {
  display: block;
  margin: -24px 0 32px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 18px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
.bilibili-list-link a {
  color: var(--accent);
  text-decoration: none;
}
.bilibili-list-link a:hover { color: #fff; }

/* ---- 筛选栏 ---- */
.filter-bar { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px; border: 1px solid var(--border); border-radius: 24px;
  background: transparent; color: var(--text-dim); cursor: pointer; font-size: 14px; transition: all 0.2s;
}
.filter-btn:hover { border-color: #555; color: #fff; }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---- B站链接添加面板 ---- */
.add-panel {
  display: none; align-items: center; gap: 10px; margin-bottom: 24px; flex-wrap: wrap;
}
.add-panel.open { display: flex; }
.add-panel input {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); color: var(--text); font-size: 14px; outline: none;
  transition: border-color 0.2s; min-width: 280px;
}
.add-panel input:focus { border-color: var(--accent); }
.add-panel input::placeholder { color: #555; }
#biliAdd {
  padding: 8px 20px; border: none; border-radius: 6px;
  background: var(--accent); color: #fff; cursor: pointer; font-size: 14px;
}
#biliAdd:hover { opacity: 0.85; }
#biliAdd:disabled { opacity: 0.4; cursor: default; }
.add-msg { font-size: 13px; color: var(--accent); }
.add-msg.err { color: #f55; }

.export-panel {
  display: none;
  margin: -8px 0 24px;
}
.export-panel.open { display: block; }
.export-panel p {
  margin-bottom: 8px;
  color: var(--text-dim);
  font-size: 13px;
}
.export-panel textarea {
  width: 100%;
  min-height: 180px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: 13px/1.5 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  resize: vertical;
}

/* ---- B站视频卡片 ---- */
.bili-cover {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
  background: linear-gradient(135deg, #1a1a2e, #232340);
}
.bili-cover .play-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(240, 78, 78, 0.85);
  display: flex; align-items: center; justify-content: center;
}
.bili-cover .play-icon::after {
  content: ''; display: block; width: 0; height: 0;
  border-left: 18px solid #fff; border-top: 10px solid transparent; border-bottom: 10px solid transparent;
  margin-left: 4px;
}
.bili-cover span { color: var(--text); font-size: 13px; text-align: center; padding: 0 16px; }

/* ---- H5小游戏列 & 作品网格 ---- */
.works-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.works-layout.has-game-column,
.works-layout.only-games { grid-template-columns: minmax(0, 1fr); }

.game-column {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.game-column h3 {
  margin-bottom: 10px;
  color: #fff;
  font-size: 15px;
  line-height: 1.3;
}
.game-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(max(132px, calc((100% - 60px) / 6)), 1fr));
  gap: 12px;
  overflow: visible;
  padding-bottom: 0;
}
.game-entry {
  display: block;
  color: inherit;
  text-decoration: none;
}
.game-entry-media {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 6px;
  background: linear-gradient(135deg, #181818, #2b2222);
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.2s, transform 0.2s;
}
.game-entry:hover .game-entry-media {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.game-entry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.game-entry-fallback {
  padding: 10px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  line-height: 1.35;
}
.game-entry-title {
  display: block;
  margin-top: 6px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.game-entry-size {
  display: block;
  margin-top: 2px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.3;
}

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.gallery.is-hidden { display: none; }
.gallery-item {
  display: block;
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--surface); cursor: pointer; aspect-ratio: 16 / 10; transition: transform 0.25s;
  color: inherit; text-decoration: none;
}
.gallery-item:hover { transform: scale(1.02); }
.gallery-item img,
.gallery-item video { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-item[data-type="gif"] img {
  object-fit: contain;
  padding: 8px;
  background: #0d0d0d;
}
.game-cover {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  padding: 24px; text-align: center; background: linear-gradient(135deg, #181818, #2b2222);
}
.game-cover span { color: #fff; font-size: 18px; font-weight: 700; }
.gallery-item .overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,0.5); opacity: 0; transition: opacity 0.25s;
  display: flex; align-items: center; justify-content: center;
}
.gallery-item:hover .overlay { opacity: 1; }
.overlay span { color: #fff; font-size: 14px; border: 1px solid #fff; padding: 6px 16px; border-radius: 20px; }
.gallery-item .badge {
  position: absolute; top: 10px; left: 10px; padding: 3px 10px; border-radius: 4px;
  font-size: 11px; background: rgba(0,0,0,0.7); color: #fff; pointer-events: none;
}

/* 空状态 */
.gallery-empty {
  grid-column: 1 / -1; text-align: center; padding: 80px 0; color: var(--text-dim);
}
.gallery-empty p { margin-top: 8px; font-size: 14px; }

/* ---- 项目卡片 ---- */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.project-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  transition: border-color 0.2s;
}
.project-card:hover { border-color: var(--accent); }
.project-card h3 { font-size: 18px; margin-bottom: 12px; color: #fff; }
.project-card .tag { font-size: 12px; color: var(--accent); margin-left: 8px; font-weight: 400; }
.project-card p { color: var(--text-dim); font-size: 14px; line-height: 1.7; }

/* ---- 技能 ---- */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.skill-category h3 { font-size: 15px; color: var(--accent); margin-bottom: 12px; font-weight: 600; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tags span {
  padding: 4px 14px; border-radius: 16px; background: var(--surface);
  border: 1px solid var(--border); font-size: 13px; color: var(--text);
}

/* ---- 关于 & 时间线 ---- */
.about-content { max-width: 700px; }
.about-content p { color: var(--text-dim); margin-bottom: 12px; }
.timeline { margin-top: 32px; }
.timeline-item {
  padding: 12px 0 12px 24px; border-left: 2px solid var(--border); position: relative; color: var(--text-dim);
}
.timeline-item::before {
  content: ''; position: absolute; left: -5px; top: 18px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--accent);
}
.timeline-item .year { color: var(--accent); font-weight: 600; margin-right: 8px; white-space: nowrap; }

/* ---- 联系 ---- */
.contact-info { display: flex; gap: 40px; flex-wrap: wrap; }
.contact-info p { font-size: 16px; color: var(--text); }

/* ---- 页脚 ---- */
.footer { text-align: center; padding: 40px 24px; color: var(--text-dim); font-size: 13px; border-top: 1px solid var(--border); }

/* ---- 灯箱 ---- */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.92); align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox-close {
  position: absolute; top: 24px; right: 32px; font-size: 36px; color: #fff; cursor: pointer; z-index: 10;
}
.lightbox-content { max-width: 90vw; max-height: 85vh; }
.lightbox-content img,
.lightbox-content video { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); }
.game-frame {
  width: min(1200px, 92vw); height: min(720px, 86vh);
  border: 0; border-radius: var(--radius); background: #000;
}

/* ---- 排序按钮 ---- */
.sort-toggle {
  padding: 8px 20px; border: 1px dashed var(--border); border-radius: 24px;
  background: transparent; color: var(--text-dim); cursor: pointer; font-size: 14px;
  transition: all 0.2s; margin-left: 8px;
}
.sort-toggle:hover { border-color: var(--accent); color: var(--accent); }
.sort-toggle.active { background: var(--accent); border-color: var(--accent); border-style: solid; color: #fff; }
.sort-toggle:disabled { opacity: 0.55; cursor: default; }
.publish-toggle {
  border-color: var(--accent);
  border-style: solid;
  color: var(--accent);
}
.publish-toggle:hover { background: var(--accent); color: #fff; }
.editor-status {
  align-self: center;
  margin-left: 8px;
  color: var(--text-dim);
  font-size: 13px;
}

/* ---- 拖拽排序 ---- */
.gallery.sort-mode .gallery-item { cursor: grab; position: relative; }
.gallery.sort-mode .gallery-item:active { cursor: grabbing; }
.gallery.sort-mode .gallery-item .overlay { display: none; }
.gallery.sort-mode .gallery-item .badge { display: none; }

.gallery-item.dragging { opacity: 0.35; transform: scale(0.95); }
.gallery-item.drag-over { box-shadow: 0 0 0 3px var(--accent), 0 0 24px var(--accent-glow); }

.drag-handle {
  position: absolute; top: 8px; right: 8px; z-index: 5;
  width: 32px; height: 32px; border-radius: 6px;
  background: rgba(0,0,0,0.65); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; cursor: grab; pointer-events: auto;
  opacity: 0; transition: opacity 0.2s;
}
.gallery.sort-mode .gallery-item:hover .drag-handle,
.gallery.sort-mode .gallery-item .drag-handle { opacity: 1; }

.delete-btn {
  position: absolute; top: 8px; left: 8px; z-index: 5;
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(220, 40, 40, 0.75); color: #fff; border: none;
  font-size: 16px; line-height: 28px; text-align: center; cursor: pointer;
  opacity: 0; transition: opacity 0.2s;
}
.gallery.sort-mode .gallery-item:hover .delete-btn,
.gallery.sort-mode .gallery-item .delete-btn { opacity: 1; }
.delete-btn:hover { background: rgba(255, 60, 60, 0.9); }

.sort-hint {
  grid-column: 1 / -1; text-align: center; padding: 12px;
  color: var(--accent); font-size: 13px; margin-bottom: 8px;
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .section { padding: 64px 16px; }
  .section-alt { padding: 64px 16px; }
  .section-title { font-size: 22px; margin-bottom: 32px; }
  .hero-name { letter-spacing: 4px; }
  .works-layout.has-game-column,
  .works-layout.only-games { grid-template-columns: 1fr; }
  .game-column { padding: 12px; }
  .gallery { grid-template-columns: 1fr; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 13px; }
  .contact-info { flex-direction: column; gap: 12px; }
}

/* ========== Load More Button ========== */
.load-more-btn {
  display: block;
  margin: 32px auto 16px;
  padding: 12px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s;
}
.load-more-btn:hover {
  background: #2a2a2a;
  border-color: #4a9eff;
}