* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; }

body { 
    background: #f2f4f8; 
    margin: 0;
    padding: 0;
    width: 100vw;
    min-height: 100vh;
}

.app-container { 
    width: 100%; 
    min-height: 100vh; 
    background: #ffffff; 
    display: flex; 
    flex-direction: column; 
    position: relative; 
}

/* Only center and box it like an app if viewed on a large tablet or computer screen */
@media (min-width: 768px) {
    body { 
        display: flex; 
        justify-content: center; 
        align-items: center; 
        background: #e2e8f0;
    }
    .app-container { 
        max-width: 420px; 
        height: 85vh; 
        border-radius: 24px; 
        box-shadow: 0 10px 30px rgba(0,0,0,0.15); 
        overflow: hidden; 
    }
}

.app-bar { background: #1976d2; color: white; padding: 16px; font-size: 18px; font-weight: 600; display: flex; align-items: center; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.content { padding: 20px; flex: 1; overflow-y: auto; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: #555; margin-bottom: 6px; }
.form-control { width: 100%; padding: 12px 14px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px; outline: none; background: #fafafa; }
.form-control:focus { border-color: #1976d2; background: #fff; }
.btn { width: 100%; background: #1976d2; color: white; border: none; padding: 14px; border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; margin-top: 10px; }
.card { background: #fff; border: 1px solid #eee; border-radius: 10px; padding: 16px; margin-bottom: 12px; box-shadow: 0 2px 5px rgba(0,0,0,0.02); }
.card h4 { font-size: 16px; color: #333; margin-bottom: 6px; }
.card p { font-size: 13px; color: #666; margin-bottom: 4px; }
.badge { display: inline-block; padding: 4px 8px; font-size: 11px; font-weight: 600; border-radius: 4px; background: #e3f2fd; color: #1976d2; }