html,body{margin:0;padding:0;font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:#f8fafc;color:#0f172a}
.ak-container{max-width:1200px;margin:0 auto;padding:16px}
.ak-navbar{position:sticky;top:0;z-index:10;background:#ffffff;border-bottom:1px solid #e5e7eb;padding:12px 16px;display:flex;align-items:center;justify-content:space-between}
.ak-navbar-brand a{font-weight:600;color:#0f172a;text-decoration:none}
.ak-navbar-menu{display:flex;gap:8px;flex-wrap:wrap}
.ak-navbar-item{display:inline-block;padding:8px 10px;border-radius:6px;color:#334155;text-decoration:none}
.ak-navbar-item:hover{background:#f1f5f9;color:#0f172a}
.ak-card{background:#ffffff;border:1px solid #e5e7eb;border-radius:10px;margin:12px 0}
.ak-card-header{padding:14px 16px;border-bottom:1px solid #e5e7eb}
.ak-card-title{margin:0;font-size:18px;color:#0f172a}
.ak-card-body{padding:16px}
.ak-btn{display:inline-block;border:none;border-radius:8px;padding:8px 12px;font-weight:500;cursor:pointer;text-decoration:none}
.ak-btn-primary{background:#2563eb;color:#ffffff}
.ak-btn-primary:hover{background:#1d4ed8}
.ak-btn-secondary{background:#64748b;color:#ffffff}
.ak-btn-secondary:hover{background:#475569}
.ak-btn-sm{padding:6px 10px;font-size:14px;border-radius:6px}
.ak-footer{margin-top:24px;padding:16px;color:#64748b;text-align:center}
.modal{position:fixed;left:0;top:0;width:100%;height:100%;background:rgba(15,23,42,0.6)}
.modal-content{background:#ffffff;color:#0f172a;border-radius:10px;max-width:720px;margin:60px auto;padding:16px;box-shadow:0 10px 25px rgba(2,6,23,0.15)}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#0f172a;color:#ffffff;padding:10px 14px;border-radius:8px;opacity:0;transition:opacity .2s}
.toast.show{opacity:1}