:root{--bg:#0a0a10;--panel:#14101f;--panel2:#1b1630;--line:rgba(255,255,255,.09);--purple:#7c3aed;--orange:#f5a524;--text:#f2f0f7;--muted:#9a95ad;--green:#34c759;--red:#ff453a}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:'Poppins','Segoe UI',system-ui,sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
.sp-muted{color:var(--muted);font-size:13px}
/* login */
.sp-login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(circle at 50% 0%,#2a1457 0,var(--bg) 60%)}
.sp-login-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:34px 30px;width:100%;max-width:400px;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.55)}
.sp-login-logo{margin-bottom:10px}
.brand-logo{--s:.3;display:block;position:relative;overflow:hidden;margin:0 auto;width:calc(625px*var(--s));height:calc(220px*var(--s))}
.brand-logo img{position:absolute;max-width:none;height:auto;width:calc(842px*var(--s));left:calc(-130px*var(--s));top:calc(-140px*var(--s))}
.sp-top .brand-logo{margin:0}.sp-top .brand-logo img{height:auto}
.sp-login-card h1{font-size:22px;margin-bottom:4px}
.sp-login-card form{text-align:left;margin-top:20px}
.sp-login-card label{display:block;font-size:11px;font-weight:600;text-transform:uppercase;color:var(--muted);margin:14px 0 6px}
.sp-login-card input{width:100%;padding:13px 14px;background:var(--bg);border:1px solid var(--line);border-radius:9px;color:#fff;font-size:14px;outline:none;font-family:inherit}
.sp-login-card input:focus{border-color:var(--purple)}
.sp-error{background:rgba(255,69,58,.1);border:1px solid var(--red);color:#ff8a82;padding:10px 12px;border-radius:9px;font-size:13px;margin-top:16px}
.sp-btn{display:inline-block;background:var(--orange);color:#1a1300;font-weight:700;border:0;border-radius:9px;padding:10px 18px;cursor:pointer;font-size:13px;font-family:inherit;transition:.2s}
.sp-btn:hover{filter:brightness(1.1);transform:translateY(-2px)}
.sp-btn-block{width:100%;margin-top:20px;padding:13px;font-size:14px}
.sp-btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.sp-btn-sm{padding:7px 14px;font-size:12px}
.sp-back{display:inline-block;margin-top:14px;color:var(--muted);font-size:12px}.sp-back:hover{color:var(--orange)}
/* top */
.sp-top{position:sticky;top:0;z-index:20;background:rgba(10,10,16,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.sp-top-in{max-width:1100px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px}
.sp-top img{height:38px}
.sp-user{display:flex;align-items:center;gap:12px;font-size:13px}
.sp-user b{display:block;line-height:1.2}
.sp-logout{border:1px solid var(--line);padding:7px 14px;border-radius:20px;font-size:12px;font-weight:600;color:var(--muted)}
.sp-logout:hover{color:#fff;border-color:var(--red)}
.sp-tabs{max-width:1100px;margin:18px auto 0;padding:0 20px;display:flex;gap:8px;overflow-x:auto}
.sp-tab{white-space:nowrap;padding:10px 18px;border-radius:30px;background:var(--panel);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);display:inline-flex;align-items:center;gap:8px}
.sp-tab:hover{color:#fff;border-color:var(--purple)}
.sp-tab.on{background:var(--purple);border-color:var(--purple);color:#fff}
.sp-main{max-width:1100px;margin:20px auto 50px;padding:0 20px}
h2.sp-h{font-size:20px;margin-bottom:16px}
.sp-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:18px}
.sp-card h3{font-size:15px;color:var(--orange);margin-bottom:14px}
.sp-hero{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:linear-gradient(120deg,#2a1457,var(--panel));}
.sp-avatar{width:64px;height:64px;border-radius:50%;background:var(--purple);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700}
.sp-hero h1{font-size:22px}
.sp-id{display:inline-block;background:rgba(245,165,36,.14);color:var(--orange);font-family:monospace;font-weight:700;padding:2px 10px;border-radius:6px;font-size:13px}
.sp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:18px}
.sp-stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.sp-stat p{font-size:11px;color:var(--muted);text-transform:uppercase;font-weight:600}
.sp-stat h2{font-size:24px;margin-top:4px}
.sp-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.sp-info div span{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;font-weight:600}
.sp-info div b{font-size:14px;font-weight:600}
.sp-bar{height:8px;background:#241d3a;border-radius:6px;overflow:hidden;margin-top:8px}.sp-bar i{display:block;height:100%;background:var(--green)}
.sp-table-wrap{overflow-x:auto}
table.sp-t{width:100%;border-collapse:collapse}
.sp-t th,.sp-t td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);font-size:13px}
.sp-t th{color:var(--orange);font-size:11px;text-transform:uppercase}
.sp-empty{text-align:center;color:var(--muted);padding:26px 10px;font-size:14px}
.sp-badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;background:rgba(124,58,237,.18);color:#c4a6ff}
.sp-badge.g{background:rgba(52,199,89,.15);color:var(--green)}.sp-badge.r{background:rgba(255,69,58,.15);color:#ff8a82}.sp-badge.o{background:rgba(245,165,36,.15);color:var(--orange)}
.sp-item{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.sp-item:last-child{border-bottom:0}
.sp-ico{width:42px;height:42px;border-radius:12px;background:var(--panel2);display:flex;align-items:center;justify-content:center;color:var(--orange);font-size:16px;flex-shrink:0}
.sp-item .grow{flex:1;min-width:180px}
.sp-item .grow b{display:block;font-size:14px}
.sp-mod{color:var(--purple);font-size:13px;font-weight:700;margin:18px 0 4px;text-transform:uppercase;letter-spacing:.5px}
.sp-mod:first-child{margin-top:0}
.sp-course{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.sp-course img{width:200px;max-width:100%;border-radius:12px}
.sp-zoom{background:#2d8cff;color:#fff}
@media(max-width:600px){.sp-user span{display:none}.sp-hero h1{font-size:18px}}

.sp-videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.sp-video{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.sp-thumb{position:relative;aspect-ratio:16/9;background:#000;cursor:pointer;overflow:hidden}
.sp-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}
.sp-thumb:hover img{transform:scale(1.04)}
.sp-thumb iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.sp-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:rgba(124,58,237,.92);display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 6px 22px rgba(0,0,0,.5)}
.sp-thumb-plain{display:flex;align-items:center;justify-content:center;font-size:46px;color:var(--purple);cursor:default}
.sp-video-info{padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.sp-video-info b{font-size:14px}
.sp-link{color:var(--orange);font-size:12px;font-weight:600;margin-top:4px}.sp-link:hover{text-decoration:underline}