:root{--bg:#07070b;--panel:#11111a;--panel2:#171723;--line:rgba(255,255,255,.11);--text:#fff;--muted:#a8a8b7;--pink:#ff2ca8;--purple:#8258ff;--cyan:#27d9ff;--danger:#ff5263;--ok:#36d486}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0,rgba(255,44,168,.13),transparent 25%),radial-gradient(circle at 90% 10%,rgba(39,217,255,.1),transparent 25%),var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif}
button,input,textarea,select{font:inherit}.hidden{display:none!important}
.login{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(520px,100%);padding:36px;border:1px solid var(--line);border-radius:28px;background:rgba(17,17,26,.94);box-shadow:0 30px 90px rgba(0,0,0,.45);text-align:center}.login-card h1{font-size:2.4rem;margin:.35em 0}.login-card p{color:var(--muted);line-height:1.6}
.btn{border:0;border-radius:14px;padding:12px 17px;font-weight:850;cursor:pointer;color:white;background:#292938}.btn.primary{background:linear-gradient(90deg,var(--pink),var(--purple))}.btn.ghost{border:1px solid var(--line);background:transparent}.btn.danger{background:rgba(255,82,99,.15);color:#ff8a96;border:1px solid rgba(255,82,99,.25)}.btn:disabled{opacity:.5;cursor:not-allowed}
.app{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:22px;border-right:1px solid var(--line);background:rgba(7,7,11,.9);backdrop-filter:blur(18px)}.brand{font-weight:950;font-size:1.35rem;margin-bottom:26px}.brand span{color:var(--pink)}.nav{display:grid;gap:8px}.nav button{width:100%;text-align:left;padding:13px 14px;border-radius:13px;border:0;background:transparent;color:var(--muted);font-weight:800;cursor:pointer}.nav button.active,.nav button:hover{background:rgba(255,255,255,.07);color:white}.sidebar-bottom{position:absolute;left:22px;right:22px;bottom:22px}
.main{padding:28px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.topbar h1{margin:0;font-size:clamp(1.8rem,4vw,3rem)}.user{display:flex;align-items:center;gap:10px;color:var(--muted)}.user img{width:38px;height:38px;border-radius:50%}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.stat{padding:20px;border:1px solid var(--line);border-radius:20px;background:rgba(17,17,26,.88)}.stat strong{display:block;font-size:2rem}.stat span{color:var(--muted)}
.panel{border:1px solid var(--line);border-radius:24px;background:rgba(17,17,26,.92);overflow:hidden}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px;border-bottom:1px solid var(--line)}.panel-head h2{margin:0}.panel-body{padding:20px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.full{grid-column:1/-1}
label{display:grid;gap:7px;color:var(--muted);font-size:.85rem;font-weight:750}input,textarea,select{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:12px;background:#0b0b12;color:white;outline:none}textarea{min-height:100px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--pink)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:17px}.list{display:grid;gap:12px}.item{display:grid;grid-template-columns:80px 1fr auto;gap:14px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}.item img{width:80px;height:65px;border-radius:11px;object-fit:cover;background:#222}.item h3{margin:0 0 5px;font-size:1rem}.item p{margin:0;color:var(--muted);font-size:.85rem}.item-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.upload-zone{padding:28px;border:1px dashed rgba(255,255,255,.25);border-radius:18px;text-align:center;background:rgba(255,255,255,.025)}.progress{height:10px;border-radius:999px;background:#242430;overflow:hidden;margin-top:12px}.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pink),var(--cyan));transition:.2s}
.toast{position:fixed;right:20px;bottom:20px;z-index:99;padding:14px 18px;border-radius:14px;background:#20202b;border:1px solid var(--line);box-shadow:0 20px 50px rgba(0,0,0,.4)}.toast.ok{border-color:rgba(54,212,134,.4)}.toast.error{border-color:rgba(255,82,99,.5)}
.notice{padding:14px;border-radius:14px;border:1px solid rgba(255,202,95,.3);background:rgba(255,202,95,.08);color:#ffdc91;margin-bottom:18px}
@media(max-width:1000px){.stats{grid-template-columns:repeat(2,1fr)}.app{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line)}.nav{grid-template-columns:repeat(3,1fr)}.sidebar-bottom{position:static;margin-top:18px}.main{padding:18px}}
@media(max-width:650px){.grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.nav{grid-template-columns:1fr 1fr}.item{grid-template-columns:60px 1fr}.item img{width:60px;height:55px}.item-actions{grid-column:1/-1;justify-content:flex-start}.topbar{align-items:flex-start;flex-direction:column}}