:root{--o:#ff6500;--i:#111216;--p:#1c1e23;--m:#777b84;--l:#e1e1dc;--w:#fff}
*{box-sizing:border-box}
body{margin:0;background:#f4f4f1;color:var(--i);font-family:Inter,Arial,sans-serif}
aside{position:fixed;inset:0 auto 0 0;width:260px;background:var(--i);color:#fff;padding:30px 24px;display:flex;flex-direction:column;border-top:6px solid var(--o)}
aside img{width:190px;margin-bottom:28px}aside strong{font-size:10px;letter-spacing:.18em;color:#777b84}
nav{display:grid;gap:8px;margin-top:28px}nav a,.logout{color:#b8bbc2;text-decoration:none;padding:12px 14px;border-radius:10px;font-weight:700;font-size:14px}nav a:hover{background:var(--p);color:#fff}.logout{margin-top:auto}
main{margin-left:260px;padding:54px max(34px,6vw);max-width:1500px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}header span,.panel-head span{color:var(--o);font-size:10px;letter-spacing:.16em;font-weight:900}
h1{font-size:44px;margin:7px 0}h2{margin:5px 0 0;font-size:28px}.primary,button{border:0;background:var(--i);color:#fff;border-radius:12px;padding:14px 18px;font-weight:800;cursor:pointer}.primary{background:var(--o)}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:26px}.metrics article,.panel{background:#fff;border:1px solid var(--l);border-radius:20px;padding:26px}.metrics span{display:block;font-size:10px;color:var(--m);font-weight:900;letter-spacing:.13em}.metrics strong{font-size:40px;color:var(--o);display:block;margin-top:9px}.metrics strong.small{font-size:25px;color:var(--i)}.metrics small{display:block;color:var(--m);margin-top:6px}.panel{margin-bottom:24px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.panel-head b{background:#eef7ee;color:#37863f;border-radius:999px;padding:8px 12px;font-size:11px}.panel-head b.off{background:#f1f1ef;color:#777}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.wide{grid-column:1/-1}label{font-size:12px;font-weight:800;display:grid;gap:8px}label small,.note{color:var(--m);font-weight:500;line-height:1.5}input{width:100%;border:1px solid var(--l);background:#fafaf8;border-radius:11px;padding:14px;font-size:14px;outline:0}input:focus{border-color:var(--o)}.check{display:flex;align-items:center;gap:9px}.check input{width:auto}
.divider{height:1px;background:var(--l);position:relative;margin:24px 0}.divider span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;color:#999;padding:0 10px}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.inline-form{display:flex;align-items:end;gap:14px}.inline-form label{flex:1}
.alert{padding:15px 18px;border-radius:12px;font-weight:700}.alert.success{background:#e8f8ea;color:#267231}.alert.error{background:#fff0ed;color:#ad3327}.login{min-height:100vh;background:var(--i);display:grid;place-items:center}.login-card{width:min(430px,90vw);background:#fff;padding:38px;border-radius:24px;display:grid;gap:18px;border-top:6px solid var(--o)}.login-card img{width:230px;background:var(--i);padding:12px;border-radius:12px}.login-card>span{color:var(--o);font-size:10px;letter-spacing:.16em;font-weight:900}.login-card h1{font-size:30px;margin:0}.login-card a{color:var(--m);text-decoration:none;font-size:13px}
.api-guide{margin-top:26px;padding:24px;border-radius:16px;background:#f7f7f4;border:1px solid var(--l)}.api-guide h3{margin:0 0 14px;font-size:19px}.api-guide ol{margin:0;padding-left:22px;display:grid;gap:10px;color:#4f535b;line-height:1.55;font-size:14px}.api-guide p{margin:18px 0 0;color:var(--m);line-height:1.55;font-size:13px}.api-guide a{color:#d95400;font-weight:800}.api-guide code{background:#fff;border:1px solid var(--l);border-radius:6px;padding:2px 6px}
@media(max-width:1100px){.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){aside{position:static;width:auto;height:auto}aside nav{display:flex;overflow:auto}.logout{margin-top:10px}main{margin:0;padding:30px 18px}.metrics,.form-grid,.upload-grid{grid-template-columns:1fr}.wide{grid-column:auto}header,.inline-form{align-items:stretch;flex-direction:column}}