:root{
  --bg:#0f1724; --card:#0b1220; --muted:#9aa4b2; --accent:#ff4f6d; --glass: rgba(255,255,255,0.03);
  --maxw:1100px; --radius:12px; font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial; color:#e6eef6;
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#07111a 0%, #071724 100%);min-height:100vh;color:var(--muted)}
.wrap{max-width:var(--maxw);margin:24px auto;padding:16px}
header{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:18px}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#ff8a5b);display:flex;align-items:center;justify-content:center;font-weight:700;color:white}
.brand-title{font-weight:700;color:#e6eef6}
.brand-sub{font-size:12px;color:var(--muted)}
.search{flex:1;margin:0 18px;display:flex}
.search input{flex:1;padding:10px 14px;border-radius:999px;border:none;background:var(--glass);color:var(--muted)}
.nav-actions{display:flex;gap:8px;align-items:center}
.btn{padding:8px 12px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,0.04);cursor:pointer;color:var(--muted)}
.btn.primary{background:linear-gradient(90deg,var(--accent),#ff8a5b);color:white;border:none}
.layout{display:grid;grid-template-columns:2fr 320px;gap:18px}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:12px;border-radius:var(--radius);}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.video-card{background:var(--card);border-radius:10px;overflow:hidden;cursor:pointer}
.video-thumb{width:100%;height:140px;object-fit:cover;display:block}
.video-meta{padding:10px}
.video-title{color:#e6eef6;font-weight:600;margin:0 0 6px;font-size:14px}
.video-sub{color:var(--muted);font-size:13px;margin:0}
.player-wrap{background:transparent;border-radius:12px;overflow:hidden}
.watch-meta{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
.watch-title{font-size:18px;color:#e6eef6;margin:0}
.watch-actions{display:flex;gap:8px}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-item{display:flex;gap:8px;align-items:flex-start}
.side-item img{width:120px;height:70px;object-fit:cover;border-radius:6px}
.upload-form{display:flex;flex-direction:column;gap:8px}
label{font-size:13px;color:var(--muted)}
input[type=file]{padding:6px}
input[type=text], textarea{background:var(--glass);padding:10px;border-radius:8px;border:none;color:var(--muted)}
.footer{margin-top:36px;color:var(--muted);font-size:13px;text-align:center}
.section-title{margin-top:0;color:#e6eef6}
.profile-head{display:flex;gap:12px;align-items:center}
.avatar{border-radius:10px;object-fit:cover}
.modal{position:fixed;left:0;top:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:rgba(2,6,23,0.6)}
.modal.hidden{display:none}
.modal-content{background:#071629;padding:18px;border-radius:10px;min-width:320px}
.tip{color:var(--muted);font-size:13px;margin-top:6px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.side-item img{display:none}.search{display:none}}