:root{--bg:#f4f7f5;--card:#fff;--text:#17211b;--muted:#66736b;--line:#dce5df;--primary:#167447;--primary-dark:#0f5d38;--danger:#a93434;--shadow:0 14px 40px rgba(23,33,27,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}input,button{font:inherit}.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px max(24px,calc((100% - 1180px)/2));background:#10261a;color:#fff}.topbar strong{display:block;font-size:20px}.topbar span{font-size:13px;opacity:.7}.topbar a{color:#d8f7e5}.container{max-width:1180px;margin:0 auto;padding:32px 24px 64px}.hero{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.hero h1{font-size:34px;margin:0 0 6px}.hero p,.muted{color:var(--muted);margin:0}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px}.stats article,.panel,.auth-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.stats article{padding:20px}.stats span{display:block;color:var(--muted);font-size:14px}.stats strong{font-size:30px}.panel{padding:26px;margin-bottom:24px}.panel h2{margin-top:0}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.span-2{grid-column:span 2}label{display:flex;flex-direction:column;gap:7px;font-weight:650;font-size:14px}input{width:100%;border:1px solid #cbd7cf;border-radius:9px;padding:11px 12px;background:#fff}input:focus{outline:3px solid rgba(22,116,71,.14);border-color:var(--primary)}button,.button{border:0;border-radius:9px;padding:11px 16px;cursor:pointer;font-weight:700;display:inline-block}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary-dark)}.secondary{background:#e7f2eb;color:var(--primary)}.full{width:100%}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:30px 0 15px}.section-heading h3{margin:0}.section-heading p{margin:4px 0 0;color:var(--muted)}.array-card{position:relative;border:1px solid var(--line);border-radius:13px;padding:20px;margin:0 0 16px;background:#fbfdfb}.array-card legend{font-weight:800;padding:0 8px}.remove-array{position:absolute;right:12px;top:8px;background:transparent;color:var(--danger);font-size:24px;padding:4px 10px}.form-actions{text-align:right;margin-top:22px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}th{font-size:13px;color:var(--muted)}.alert{padding:13px 15px;border-radius:9px;margin-bottom:18px}.alert.error{background:#fdeaea;color:#852424}.alert.success{background:#e5f5eb;color:#145c36}.empty{color:var(--muted)}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#e8f3ed,#f7faf8)}.auth-card{width:min(430px,100%);padding:34px}.auth-card.wide{width:min(720px,100%)}.auth-card h1{margin:8px 0}.brand-mark{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:900;font-size:22px}.auth-card form{margin-top:24px}.auth-card label{margin-bottom:16px}.auth-link{text-align:center;margin:20px 0 0}.detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.detail-grid div{padding:16px;background:#f7faf8;border-radius:10px}.detail-grid span{display:block;color:var(--muted);font-size:13px;margin-bottom:5px}@media(max-width:850px){.grid.three,.grid.four,.detail-grid{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:1fr}.hero{align-items:flex-start;gap:16px}.topbar{align-items:flex-start;gap:12px}}@media(max-width:560px){.grid.two,.grid.three,.grid.four,.detail-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.hero,.section-heading,.topbar{flex-direction:column}.container{padding:22px 14px}.panel{padding:18px}}