*{box-sizing:border-box}
:root{
 --bg:#06110e;--panel:#0b1c17;--panel2:#0e261f;--line:#1a3b31;
 --green:#52f2a5;--green2:#13b878;--text:#e9fff6;--muted:#8eb9aa;
 --high:#ff5f72;--med:#ffb55f;--low:#70b7ff;--pass:#52f2a5;
}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Tahoma,Arial,"Segoe UI",sans-serif}
body{overflow-x:hidden}
.bg-grid{position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:linear-gradient(rgba(82,242,165,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(82,242,165,.09) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(to bottom,#000,transparent 80%)}
.shell{width:min(1180px,calc(100% - 28px));margin:auto;padding:34px 0 60px;position:relative}
.top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:28px}
.eyebrow{color:var(--green);font-size:12px;letter-spacing:1.5px;font-weight:900}
h1{font-size:clamp(30px,5vw,54px);margin:8px 0 10px;line-height:1.25}
.top p{margin:0;color:var(--muted);line-height:1.9}
.status{direction:ltr;white-space:nowrap;border:1px solid var(--line);background:rgba(11,28,23,.8);border-radius:999px;padding:10px 14px;color:var(--green);font:700 12px monospace}
.status span{display:inline-block;width:8px;height:8px;background:var(--green);border-radius:50%;box-shadow:0 0 16px var(--green);margin-right:7px}
.login-card,.control,.score-card,.test-card,.theory,.console{background:linear-gradient(180deg,rgba(14,38,31,.96),rgba(8,25,20,.96));border:1px solid var(--line);box-shadow:0 18px 60px rgba(0,0,0,.22)}
.login-card{max-width:520px;margin:70px auto;padding:26px;border-radius:22px}
.login-card h2{margin-top:0}.login-card p{color:var(--muted)}
.login-card form{display:flex;gap:9px}.login-card input,.field input{flex:1;background:#06130f;color:var(--text);border:1px solid #285345;border-radius:12px;padding:13px;outline:none}
button{border:0;border-radius:12px;padding:12px 14px;font-weight:900;cursor:pointer;background:var(--green);color:#052016}
button:hover{filter:brightness(1.04)}
.control{display:flex;gap:14px;align-items:end;padding:18px;border-radius:20px;margin-bottom:14px}
.field{flex:1}.field label{display:block;font-weight:900;margin-bottom:7px}.field small{display:block;color:var(--muted);margin-top:6px}
.run-all{min-height:46px;padding-inline:22px}
.scoreboard{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.score-card{border-radius:18px;padding:18px}.score-card span{color:var(--muted);font-size:12px}.score-card strong{display:block;margin-top:7px;font:900 28px monospace;overflow:hidden;text-overflow:ellipsis}
.test-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.test-card{border-radius:20px;padding:18px;position:relative}.icon{font-size:25px}.test-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.test-card h3{margin:10px 0 3px}.test-card p{color:var(--muted);line-height:1.75;font-size:13px;min-height:44px}.badge{font:800 10px monospace;padding:5px 8px;border-radius:999px;border:1px solid var(--line)}.idle{color:var(--muted)}.running{color:#ffe082}.done{color:var(--green)}
.run-one{background:#123a2d;color:#bfffe2;border:1px solid #205d47}
.results{display:grid;gap:7px;margin-top:12px}
.result{padding:10px 11px;border-radius:12px;border:1px solid var(--line);background:#081914}
.result b{display:block;font-size:12px;margin-bottom:4px}.result span{color:var(--muted);font-size:11px;line-height:1.6}
.result.pass{border-color:rgba(82,242,165,.35)}.result.high{border-color:rgba(255,95,114,.5)}.result.medium{border-color:rgba(255,181,95,.45)}.result.low{border-color:rgba(112,183,255,.4)}
.theory{margin-top:18px;border-radius:20px;padding:20px}.theory h2{margin-top:0}.theory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.theory-grid div{padding:12px;background:#081914;border:1px solid var(--line);border-radius:14px}.theory-grid b{color:var(--green);display:block;margin-bottom:6px}.theory-grid span{color:var(--muted);font-size:11px;line-height:1.7}
.console{margin-top:18px;border-radius:20px;overflow:hidden}.console-head{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;border-bottom:1px solid var(--line);font:800 11px monospace}.console-head button{padding:7px 10px;background:#13392e;color:var(--green)}
pre{margin:0;padding:16px;min-height:180px;max-height:380px;overflow:auto;direction:ltr;text-align:left;white-space:pre-wrap;color:#a8f9cf;font:12px/1.7 Consolas,monospace}
footer{display:flex;justify-content:space-between;color:#5f8e7d;font-size:11px;padding-top:22px}
@media(max-width:760px){.top,.control{display:block}.status{display:inline-block;margin-top:14px}.control .run-all{width:100%;margin-top:12px}.scoreboard{grid-template-columns:repeat(2,1fr)}.test-grid{grid-template-columns:1fr}.theory-grid{grid-template-columns:1fr 1fr}}