*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;--primary:#4f46e5;--primary2:#4338ca;--danger:#dc2626}
body{font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{color:inherit;text-decoration:none}
.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1180px)/2))}
.topbar nav{display:flex;gap:24px;align-items:center;font-size:14px}
.topbar nav a:hover{color:var(--primary)}
.brand{font-weight:900;font-size:21px;letter-spacing:-.5px}.brand span{color:var(--primary)}
.container{max-width:1180px;margin:0 auto;padding:45px 24px}
.narrow{max-width:900px}
.hero{margin-bottom:30px}.eyebrow{font-size:12px;font-weight:800;color:var(--primary);letter-spacing:1.5px;margin-bottom:8px}
h1{font-size:40px;line-height:1.1;margin-bottom:10px}h2{font-size:20px;margin-bottom:15px}
.muted{color:var(--muted)}
.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.task-card,.detail-card,.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 5px 20px rgba(16,24,40,.04)}
.task-card{display:flex;flex-direction:column;gap:15px}.task-card h2{margin:0}.task-card p{color:var(--muted);line-height:1.6;flex:1}
.task-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px}
.badge{display:inline-flex;padding:5px 10px;border-radius:999px;background:#eef2ff;color:#4338ca;font-size:12px;font-weight:700}
.btn{border:0;border-radius:9px;padding:11px 16px;display:inline-block;font-weight:700;cursor:pointer;font-size:14px}
.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary2)}
.secondary{background:#f2f4f7}.danger{background:#fee2e2;color:var(--danger)}
.full{width:100%}.empty{grid-column:1/-1;padding:30px;text-align:center;color:var(--muted)}
.detail-card{padding:38px}.detail-card h1{margin-top:22px}.task-content{line-height:1.8;color:#344054;margin:25px 0;white-space:normal}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
form{display:flex;flex-direction:column;gap:15px}label{display:flex;flex-direction:column;gap:7px;font-weight:700;font-size:14px}
input,textarea,select{font:inherit;border:1px solid #d0d5dd;border-radius:9px;padding:11px 12px;outline:none;background:#fff}
input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #eef2ff}
.admin-list{display:flex;flex-direction:column}.admin-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid var(--line)}
.admin-row:last-child{border-bottom:0}.admin-row small{display:block;color:var(--muted);margin-top:4px}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase}
.login-page{display:grid;place-items:center;padding:20px}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px;box-shadow:0 15px 50px rgba(16,24,40,.08)}.login-card .brand{display:block;margin-bottom:30px}.login-card h1{font-size:30px}.login-card form{margin-top:25px}.alert{padding:12px;border-radius:9px;margin-top:18px;font-size:14px}.error{background:#fee4e2;color:#b42318}.demo{margin-top:20px;color:var(--muted);font-size:12px;text-align:center}
@media(max-width:800px){.task-grid,.admin-grid{grid-template-columns:1fr}h1{font-size:32px}.topbar{padding:0 18px}.topbar nav span{display:none}.container{padding:30px 18px}}