*{margin:0; padding:0; box-sizing:border-box; font-family:'Segoe UI', Roboto, sans-serif;}
body{
    background:linear-gradient(135deg, #0f4c81 0%, #1a73e8 100%);
    min-height:100vh;
    padding:15px;
}
.kotak{
    background:#fff;
    border-radius:16px;
    box-shadow:0 8px 32px rgba(0,0,0,0.18);
    padding:25px;
    max-width:520px;
    margin:10px auto;
}
.logo{text-align:center; margin-bottom:20px;}
.logo h1{color:#0f4c81; font-size:28px; margin-bottom:5px;}
.logo p{color:#666; font-size:14px;}
.jadwal{
    background:linear-gradient(90deg, #006699, #0099cc);
    color:#fff;
    border-radius:12px;
    padding:15px;
    text-align:center;
    margin:15px 0;
    font-size:16px;
    line-height:1.6;
}
.btn{
    width:100%;
    padding:12px;
    border:none;
    border-radius:10px;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    margin:6px 0;
    transition:all 0.25s ease;
}
.btn:hover{transform:scale(1.02);}
.btn-biru{background:linear-gradient(90deg, #1a73e8, #0f4c81); color:#fff;}
.btn-hijau{background:linear-gradient(90deg, #00b359, #00994c); color:#fff;}
.btn-merah{background:linear-gradient(90deg, #e53935, #c62828); color:#fff;}
.grid{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:12px;
    margin-top:15px;
}
.menu-card{
    background:#f0f7ff;
    border-radius:12px;
    padding:18px 12px;
    text-align:center;
    cursor:pointer;
    transition:all 0.25s ease;
}
.menu-card:hover{background:#d9edff; transform:translateY(-4px);}
.menu-card b{display:block; margin-top:6px; color:#0f4c81; font-size:15px;}
input{
    width:100%;
    padding:11px 12px;
    margin:6px 0;
    border:1px solid #ccd6e0;
    border-radius:8px;
    font-size:15px;
}
input:focus{outline:none; border-color:#1a73e8;}
table{width:100%; border-collapse:collapse; margin-top:10px; font-size:13px;}
th, td{padding:9px 7px; border-bottom:1px solid #e0e0e0; text-align:left;}
th{background:#0f4c81; color:#fff;}
tr:hover{background:#f5f9ff;}
.alert{padding:10px 12px; border-radius:8px; margin:8px 0; font-size:14px;}
.alert-sukses{background:#e8f5e9; color:#2e7d32; border-left:4px solid #2e7d32;}
.alert-gagal{background:#ffebee; color:#c62828; border-left:4px solid #c62828;}
hr{border:none; border-top:1px solid #e0e0e0; margin:14px 0;}
@media (max-width:400px){
    .grid{grid-template-columns:1fr;}
    th, td{padding:7px 4px; font-size:12px;}
}