/* ============================================================
   components.css · 标签 / 按钮 / 卡片 / 终端 / 加载器 / 光标
   ============================================================ */

/* ---------- 标签 ---------- */
.tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--neon);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  background: var(--card);
  transition: 0.3s;
}
.tag:hover {
  border-color: var(--neon);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
  transform: translateY(-2px);
}

/* ---------- 发光按钮 ---------- */
.btn-glow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding: 14px 36px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--bg);
  background: linear-gradient(90deg, var(--neon), var(--neon-2));
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  position: relative;
  transition: box-shadow 0.3s;
  will-change: transform;
}
.btn-glow::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--neon), var(--neon-2));
  filter: blur(14px);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s;
}
.btn-glow:hover {
  box-shadow: 0 10px 40px rgba(0, 229, 255, 0.4);
}
.btn-glow:hover::before { opacity: 0.7; }
.btn-arrow { transition: transform 0.3s; }
.btn-glow:hover .btn-arrow { transform: translateX(6px); }

/* ---------- 统计块 ---------- */
.stat {
  text-align: center;
  padding: 18px 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: 0.3s;
}
.stat:hover {
  border-color: var(--neon);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
  transform: translateY(-4px);
}
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--neon);
}
.stat-label { font-size: 0.78rem; color: var(--text-dim); }

/* ---------- 终端窗口 ---------- */
.terminal {
  background: #0a0e18;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 229, 255, 0.06);
  transform-style: preserve-3d;
  transition: transform 0.2s ease-out;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.terminal-title {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.terminal-body {
  padding: 22px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 2;
  overflow-x: auto;
}
.ln-prompt { color: var(--neon-3); font-weight: 700; }
.ln-out { color: var(--text); }
.ln-comment { color: var(--text-dim); }
.ln-ok { color: #28c840; }
.terminal-cursor { color: var(--neon); animation: blink 1s steps(1) infinite; }

/* ---------- 技能卡 ---------- */
.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.35s;
  transform-style: preserve-3d;
}
.skill-card:hover { border-color: var(--neon); }
.skill-icon { font-size: 2rem; margin-bottom: 14px; }
.skill-card h3 { color: #fff; margin-bottom: 8px; font-size: 1.1rem; }
.skill-card p { color: var(--text-dim); font-size: 0.88rem; margin-bottom: 20px; line-height: 1.7; }

.bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 3px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--neon), var(--neon-2));
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
  transition: width 1.4s var(--ease-out);
}
.skill-card.in-view .bar-fill { width: var(--w); }

/* ---------- 作品卡 ---------- */
.work-card {
  position: relative;
  display: block;
  text-decoration: none;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: box-shadow 0.35s, border-color 0.35s;
}
.work-card:hover {
  border-color: var(--neon);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
}
.work-glow {
  position: absolute;
  inset: -60%;
  background: conic-gradient(from 0deg, transparent 70%, var(--neon) 85%, var(--neon-2) 100%);
  opacity: 0;
  animation: spin 4s linear infinite;
  transition: opacity 0.4s;
}
.work-card:hover .work-glow { opacity: 0.25; }
@keyframes spin { to { transform: rotate(360deg); } }
.work-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--neon-2);
  opacity: 0.7;
}
.work-card h3 { color: #fff; font-size: 1.15rem; margin: 10px 0 14px; position: relative; }
.work-card p {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 22px;
  position: relative;
}
.work-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--neon);
  position: relative;
  transition: letter-spacing 0.3s;
}
.work-card:hover .work-link { letter-spacing: 2px; }

/* ---------- 开场加载动画 ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  transition: opacity 0.6s, visibility 0.6s;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-logo {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 900;
  color: var(--neon);
}
.loader-bar {
  width: 220px; height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}
.loader-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--neon), var(--neon-2));
  animation: load 1.6s var(--ease-out) forwards;
}
@keyframes load { to { width: 100%; } }
.loader-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 4px;
  color: var(--text-dim);
}
.loader-dots { animation: blink 1s steps(1) infinite; }

/* ---------- 自定义光标 ---------- */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  z-index: 10000;
  pointer-events: none;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 7px; height: 7px;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
}
.cursor-ring {
  width: 34px; height: 34px;
  border: 1.5px solid rgba(0, 229, 255, 0.6);
  transition: width 0.25s, height 0.25s, border-color 0.25s, background 0.25s;
}
.cursor-ring.hovering {
  width: 56px; height: 56px;
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--neon);
}

/* ---------- 顶部滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 200;
  background: transparent;
}
#scroll-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--neon), var(--neon-3), var(--neon-2));
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.7);
}

/* ---------- 头像相框（关于我） ---------- */
.avatar-frame {
  position: relative;
  width: 150px; height: 150px;
  margin: 0 auto 36px;
  border-radius: 50%;
}
/* 旋转霓虹光环 */
.avatar-frame::before {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--neon), var(--neon-2), var(--neon-3), var(--neon));
  animation: spin 4s linear infinite;
  filter: blur(1px);
}
/* 光环辉光 */
.avatar-frame::after {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--neon), var(--neon-2), var(--neon-3), var(--neon));
  filter: blur(22px);
  opacity: 0.45;
  z-index: -1;
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}
.avatar-frame img {
  position: relative;
  z-index: 1;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--bg);
  background: var(--bg);
  transition: transform 0.4s var(--ease-out);
}
.avatar-frame:hover img { transform: scale(1.06); }
/* 图片缺失时的兼容处理：显示 MS 初始头像 */
.avatar-frame img.missing { display: none; }
.avatar-fallback {
  position: absolute;
  inset: 4px;
  z-index: 1;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 4px solid var(--bg);
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--neon);
}
.avatar-frame img.missing ~ .avatar-fallback { display: flex; }
/* 在线状态小绿点 */
.avatar-frame .avatar-status {
  position: absolute;
  right: 12px; bottom: 12px;
  z-index: 2;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #28c840;
  border: 3px solid var(--bg);
  box-shadow: 0 0 8px rgba(40, 200, 64, 0.8);
  animation: status-ping 2s ease-out infinite;
}
@keyframes status-ping {
  0% { box-shadow: 0 0 0 0 rgba(40, 200, 64, 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(40, 200, 64, 0); }
  100% { box-shadow: 0 0 0 0 rgba(40, 200, 64, 0); }
}

/* ---------- 响应式补丁 ---------- */
@media (max-width: 900px) {
  .terminal { transform: none !important; }
  .skill-card, .work-card { transform: none !important; }
}