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

:root{
  --primary:#6366f1;
  --primary-glow:rgba(99,102,241,0.3);
  --bg:#0f0f1a;
  --bg2:#1a1a2e;
  --card-bg:rgba(255,255,255,0.03);
  --card-border:rgba(255,255,255,0.06);
  --text:#e2e8f0;
  --text-dim:#94a3b8;
  --radius:16px;
  --radius-sm:10px;
}

body{
  font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.6;
}

/* Background Decor */
.bg-decor{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.bg-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
  background-size:60px 60px;
}
.bg-orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.15}
.orb1{width:500px;height:500px;background:var(--primary);top:-150px;left:-150px;animation:float1 12s ease-in-out infinite}
.orb2{width:400px;height:400px;background:#a855f7;bottom:-100px;right:-100px;animation:float2 10s ease-in-out infinite}
.orb3{width:300px;height:300px;background:#06b6d4;top:50%;left:50%;transform:translate(-50%,-50%);animation:float3 14s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,40px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,-30px)}}
@keyframes float3{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.3)}}

/* Container */
.container{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:50px 24px 30px}

/* Card Base */
.card{
  background:var(--card-bg);
  backdrop-filter:blur(40px);
  -webkit-backdrop-filter:blur(40px);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  transition:border-color .3s;
}
.card:hover{border-color:rgba(255,255,255,0.1)}

/* Profile Card — centered always */
.profile-card{
  max-width:520px;margin:0 auto 28px;padding:44px 40px;text-align:center;
}

.avatar{
  position:relative;
  width:90px;height:90px;margin:0 auto 24px;
  display:flex;align-items:center;justify-content:center;
}
.avatar-text{
  width:80px;height:80px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#a855f7);
  display:flex;align-items:center;justify-content:center;
  font-size:36px;font-weight:700;color:#fff;
  position:relative;z-index:1;
}
.avatar-ring{
  position:absolute;inset:-5px;border-radius:50%;
  border:2px solid transparent;
  background:conic-gradient(var(--primary),#a855f7,#06b6d4,var(--primary)) border-box;
  -webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  animation:spin 4s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.name{font-size:28px;font-weight:700;margin-bottom:4px;letter-spacing:-0.5px}
.title{font-size:14px;color:var(--primary);font-weight:500;margin-bottom:12px;letter-spacing:1px;text-transform:uppercase}
.bio{font-size:15px;color:var(--text-dim);margin-bottom:20px;line-height:1.8;max-width:400px;margin-left:auto;margin-right:auto}

.contact-row{
  display:flex;gap:10px;justify-content:center;flex-wrap:wrap;
}
.contact-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:20px;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
  font-size:13px;color:var(--text-dim);
  text-decoration:none;transition:all .25s;
}
.contact-item:hover{
  background:rgba(255,255,255,0.1);
  border-color:rgba(255,255,255,0.15);
  color:var(--text);
  transform:translateY(-1px);
}
.contact-icon{font-size:15px;font-weight:700}

/* Links Section — responsive grid */
.links-section{
  display:grid;gap:12px;margin-bottom:32px;
  grid-template-columns:1fr;
}
.link-card{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;
  background:var(--card-bg);
  backdrop-filter:blur(40px);
  -webkit-backdrop-filter:blur(40px);
  border:1px solid var(--card-border);
  border-radius:var(--radius-sm);
  text-decoration:none;color:var(--text);
  transition:all .3s cubic-bezier(.4,0,.2,1);
  position:relative;overflow:hidden;
}
.link-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,var(--link-color),transparent);
  opacity:0;transition:opacity .3s;
}
.link-card:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,0.15);
  box-shadow:0 8px 30px rgba(0,0,0,0.3);
}
.link-card:hover::before{opacity:.05}
.link-card:active{transform:translateY(0) scale(.98)}

.link-icon{
  width:42px;height:42px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;color:#fff;
  flex-shrink:0;position:relative;z-index:1;
}
.link-info{flex:1;position:relative;z-index:1;min-width:0}
.link-name{font-size:15px;font-weight:600;margin-bottom:2px}
.link-url{font-size:12px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.link-arrow{opacity:.4;transition:all .3s;position:relative;z-index:1;flex-shrink:0}
.link-card:hover .link-arrow{opacity:1;transform:translateX(3px)}

/* Footer */
.footer{text-align:center}
.footer-line{width:40px;height:1px;background:rgba(255,255,255,0.1);margin:0 auto 16px}
.footer p{font-size:12px;color:var(--text-dim);opacity:.6}

/* Videos Section */
.section-title{
  font-size:13px;font-weight:600;color:var(--text-dim);
  text-transform:uppercase;letter-spacing:2px;
  margin-bottom:14px;text-align:left;
}
.video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:16px;margin-bottom:32px;
}
.video-card{
  background:var(--card-bg);backdrop-filter:blur(40px);
  -webkit-backdrop-filter:blur(40px);
  border:1px solid var(--card-border);border-radius:var(--radius-sm);
  overflow:hidden;text-decoration:none;color:var(--text);
  transition:all .3s cubic-bezier(.4,0,.2,1);
}
.video-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,255,255,0.15);
  box-shadow:0 8px 30px rgba(0,0,0,0.3);
}
.video-thumb{
  position:relative;padding-top:56.25%;
  background:rgba(255,255,255,0.03);
  overflow:hidden;
}
.video-cover{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;transition:transform .4s;
}
.video-card:hover .video-cover{transform:scale(1.05)}
.video-fallback{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(99,102,241,0.15),rgba(168,85,247,0.15));
}
.video-fallback-icon{font-size:32px;opacity:.6}
.video-play-overlay{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,0.35);opacity:0;transition:opacity .3s;
}
.video-play-overlay span{
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,0.2);backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;padding-left:3px;
}
.video-card:hover .video-play-overlay{opacity:1}
.video-duration{
  position:absolute;bottom:8px;right:8px;
  padding:2px 8px;border-radius:4px;
  background:rgba(0,0,0,0.7);font-size:11px;color:#ccc;
}
.video-body{padding:14px 16px}
.video-title{
  font-size:14px;font-weight:500;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;margin-bottom:6px;
}
.video-meta{font-size:12px;color:var(--text-dim)}

/* Groups Section */
.groups-section{
  display:grid;gap:12px;margin-bottom:32px;
  grid-template-columns:1fr;
}
.groups-section .section-title{grid-column:1 / -1}
.group-card{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;
  background:var(--card-bg);
  backdrop-filter:blur(40px);
  -webkit-backdrop-filter:blur(40px);
  border:1px solid var(--card-border);
  border-radius:var(--radius-sm);
  text-decoration:none;color:var(--text);
  transition:all .3s cubic-bezier(.4,0,.2,1);
  position:relative;overflow:hidden;
  cursor:pointer;
}
.group-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,var(--group-color),transparent);
  opacity:0;transition:opacity .3s;
}
.group-card:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,0.15);
  box-shadow:0 8px 30px rgba(0,0,0,0.3);
}
.group-card:hover::before{opacity:.08}
.group-card:active{transform:translateY(0) scale(.98)}

.group-icon{
  width:42px;height:42px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;
  flex-shrink:0;position:relative;z-index:1;
}
.group-info{flex:1;position:relative;z-index:1;min-width:0}
.group-name{font-size:15px;font-weight:600;margin-bottom:2px}
.group-type{font-size:12px;color:var(--text-dim);margin-bottom:1px}
.group-number{
  font-size:13px;color:var(--primary);font-weight:500;
  font-family:'SF Mono','Consolas','Menlo',monospace;
}
.group-desc{font-size:12px;color:var(--text-dim);margin-top:2px}
.group-action{
  display:flex;align-items:center;gap:6px;position:relative;z-index:1;
  padding:6px 14px;border-radius:20px;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  font-size:12px;color:var(--text-dim);
  white-space:nowrap;transition:all .2s;
  flex-shrink:0;cursor:pointer;
}
.group-action:hover{
  background:rgba(255,255,255,0.12);
  border-color:rgba(255,255,255,0.2);
  color:var(--text);
}
.group-action-copied{
  background:rgba(52,211,153,0.15);
  border-color:rgba(52,211,153,0.3);
  color:#34d399;
}

/* Loading animation */
@keyframes shimmer{
  0%{background-position:-200px 0}
  100%{background-position:calc(200px + 100%) 0}
}
.skeleton{
  background:linear-gradient(90deg,var(--card-bg) 25%,rgba(255,255,255,0.05) 50%,var(--card-bg) 75%);
  background-size:200px 100%;
  animation:shimmer 1.5s infinite;
  border-radius:8px;
}

/* === Responsive === */

/* Small phone */
@media(max-width:480px){
  .container{padding:24px 12px 20px}
  .profile-card{padding:28px 18px}
  .name{font-size:22px}
  .link-card{padding:12px 14px}
  .video-grid{gap:10px}
  .video-body{padding:10px 12px}
  .video-title{font-size:13px}
}

/* Tablet */
@media(min-width:640px){
  .links-section{grid-template-columns:1fr 1fr}
  .groups-section{grid-template-columns:1fr 1fr}
}

/* Desktop */
@media(min-width:900px){
  .container{padding:60px 32px 40px}
  .links-section{grid-template-columns:repeat(3,1fr)}
  .groups-section{grid-template-columns:repeat(3,1fr)}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
}

/* Wide desktop */
@media(min-width:1200px){
  .video-grid{grid-template-columns:repeat(4,1fr)}
}