*{box-sizing:border-box}body{margin:0;font-family:system-ui,Arial,sans-serif;background:#f6f7fb;color:#111}a{text-decoration:none;color:inherit}button{font-family:inherit}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:min(1100px,92%);margin:18px auto}main{flex:1;padding-bottom:20px}.header{background:#fff;border-bottom:1px solid #eee}.header__inner{width:min(1100px,92%);margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between}.logo{font-weight:900;letter-spacing:.2px}.nav{display:flex;gap:14px;align-items:center}.nav a{padding:8px 10px;border-radius:8px}.nav a:hover{background:#f3f4f6}.footer{background:#fff;border-top:1px solid #eee;padding:18px;text-align:center;color:#444}.btn{background:#111;color:#fff;padding:10px 14px;border-radius:10px;border:none;cursor:pointer}.btn:hover{opacity:.92}.btn--ghost{background:transparent;border:1px solid #ddd;color:#111;padding:9px 12px;border-radius:10px}.btn--danger{background:#b91c1c}.btn--row{display:flex;gap:10px;flex-wrap:wrap}.card{background:#fff;border:1px solid #eee;border-radius:14px;padding:16px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.grid{grid-template-columns:1fr}}.h1{font-size:34px;margin:8px 0 10px}.h2{font-size:22px;margin:0 0 10px}.muted{color:#555}.input,.select,.textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #ddd;outline:none;background:#fff}.textarea{min-height:100px;resize:vertical}.label{display:block;font-size:14px;margin:10px 0 6px;color:#222}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:720px){.row{grid-template-columns:1fr}}.banner{background:linear-gradient(135deg,#111,#3b82f6);color:#fff;border-radius:16px;padding:22px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#f3f4f6;font-size:12px}.err{color:#b91c1c;font-size:14px;margin-top:8px}.ok{color:#166534;font-size:14px;margin-top:8px}